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1
F E A T U R E S
A P P L I C A T I O N S
D E S C R I P T I O N
SIN
SCLK
XLAT
BLANK
SOUT
VCC
GND
TLC5947
IC1
OUT0 OUT23
DATA
SCLK
XLAT
BLANK
RIREF
IREF
Controller
3
VCC
VLED VLED
VLED VLED
SIN
SCLK
XLAT
BLANK
SOUT
VCC
GND
TLC5947
ICn
OUT0 OUT23
RIREF
IREF
VCC
T L C 5 9 4 7
w w w . t i . c o m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S B V S 1 1 4 A – J U L Y 2 0 0 8 – R E V I S E D S E P T E M B E R 2 0 0 8
2 4 - C h a n n e l , 1 2 - B i t P W M L E D D r i v e r w i t h
I n t e r n a l O s c i l l a t o r
• N o i s e R e d u c t i o n : 2 3 • 2 4 C h a n n e l s , C o n s t a n t C u r r e n t S i n k O u t p u t – 4 - c h a n n e l g r o u p e d d e l a y t o p r e v e n t i n r u s h
c u r r e n t • 3 0 - m A C a p a b i l i t y ( C o n s t a n t C u r r e n t S i n k )
• O p e r a t i n g T e m p e r a t u r e : – 4 0 ° C t o + 8 5 ° C • 1 2 - B i t ( 4 0 9 6 S t e p s ) P W M G r a y s c a l e C o n t r o l
• L E D P o w e r - S u p p l y V o l t a g e u p t o 3 0 V
• V C C = 3 . 0 V t o 5 . 5 V • S t a t i c L E D D i s p l a y s
• C o n s t a n t C u r r e n t A c c u r a c y : • M e s s a g e B o a r d s
– C h a n n e l - t o - C h a n n e l = ± 2 % ( t y p ) • A m u s e m e n t I l l u m i n a t i o n
– D e v i c e - t o - D e v i c e = ± 2 % ( t y p ) • T V B a c k l i g h t i n g • C M O S L o g i c L e v e l I / O
• 3 0 - M H z D a t a T r a n s f e r R a t e ( S t a n d a l o n e )
• 1 5 - M H z D a t a T r a n s f e r R a t e ( C a s c a d e d D e v i c e s , T h e T L C 5 9 4 7 i s a 2 4 - c h a n n e l , c o n s t a n t c u r r e n t s i n k S C L K D u t y = 5 0 % ) L E D d r i v e r . E a c h c h a n n e l i s i n d i v i d u a l l y a d j u s t a b l e
w i t h 4 0 9 6 p u l s e - w i d t h m o d u l a t e d ( P W M ) s t e p s . P W M • S h i f t O u t D a t a C h a n g e s W i t h F a l l i n g E d g e t o c o n t r o l i s r e p e a t e d a u t o m a t i c a l l y w i t h t h e A v o i d D a t a S h i f t E r r o r s p r o g r a m m e d g r a y s c a l e ( G S ) d a t a . G S d a t a a r e
• A u t o D i s p l a y R e p e a t w r i t t e n v i a a s e r i a l i n t e r f a c e p o r t . T h e c u r r e n t v a l u e o f a l l 2 4 c h a n n e l s i s s e t b y a s i n g l e e x t e r n a l r e s i s t o r . • 4 - M H z I n t e r n a l O s c i l l a t o r
• T h e r m a l S h u t d o w n ( T S D ) : T h e T L C 5 9 4 7 h a s a t h e r m a l s h u t d o w n ( T S D ) f u n c t i o n t h a t t u r n s o f f a l l o u t p u t d r i v e r s d u r i n g a n – A u t o m a t i c s h u t d o w n a t o v e r t e m p e r a t u r e o v e r - t e m p e r a t u r e c o n d i t i o n . A l l o f t h e o u t p u t d r i v e r s c o n d i t i o n s a u t o m a t i c a l l y r e s t a r t w h e n t h e t e m p e r a t u r e r e t u r n s t o
– R e s t a r t u n d e r n o r m a l t e m p e r a t u r e n o r m a l c o n d i t i o n s .
1
P l e a s e b e a w a r e t h a t a n i m p o r t a n t n o t i c e c o n c e r n i n g a v a i l a b i l i t y , s t a n d a r d w a r r a n t y , a n d u s e i n c r i t i c a l a p p l i c a t i o n s o f T e x a s I n s t r u m e n t s s e m i c o n d u c t o r p r o d u c t s a n d d i s c l a i m e r s t h e r e t o a p p e a r s a t t h e e n d o f t h i s d a t a s h e e t .
2 P o w e r P A D i s a t r a d e m a r k o f T e x a s I n s t r u m e n t s , I n c . 3 A l l o t h e r t r a d e m a r k s a r e t h e p r o p e r t y o f t h e i r r e s p e c t i v e o w n e r s .
P R O D U C T I O N D A T A i n f o r m a t i o n i s c u r r e n t a s o f p u b l i c a t i o n d a t e . C o p y r i g h t © 2 0 0 8 , T e x a s I n s t r u m e n t s I n c o r p o r a t e d P r o d u c t s c o n f o r m t o s p e c i f i c a t i o n s p e r t h e t e r m s o f t h e T e x a s I n s t r u m e n t s s t a n d a r d w a r r a n t y . P r o d u c t i o n p r o c e s s i n g d o e s n o t
n e c e s s a r i l y i n c l u d e t e s t i n g o f a l l p a r a m e t e r s .
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A B S O L U T E M A X I M U M R A T I N G S ( 1 ) ( 2 )
D I S S I P A T I O N R A T I N G S
T L C 5 9 4 7
S B V S 1 1 4 A – J U L Y 2 0 0 8 – R E V I S E D S E P T E M B E R 2 0 0 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . w w w . t i . c o m
T h i s i n t e g r a t e d c i r c u i t c a n b e d a m a g e d b y E S D . T e x a s I n s t r u m e n t s r e c o m m e n d s t h a t a l l i n t e g r a t e d c i r c u i t s b e h a n d l e d w i t h a p p r o p r i a t e p r e c a u t i o n s . F a i l u r e t o o b s e r v e p r o p e r h a n d l i n g a n d i n s t a l l a t i o n p r o c e d u r e s c a n c a u s e d a m a g e .
E S D d a m a g e c a n r a n g e f r o m s u b t l e p e r f o r m a n c e d e g r a d a t i o n t o c o m p l e t e d e v i c e f a i l u r e . P r e c i s i o n i n t e g r a t e d c i r c u i t s m a y b e m o r e s u s c e p t i b l e t o d a m a g e b e c a u s e v e r y s m a l l p a r a m e t r i c c h a n g e s c o u l d c a u s e t h e d e v i c e n o t t o m e e t i t s p u b l i s h e d s p e c i f i c a t i o n s .
P A C K A G E / O R D E R I N G I N F O R M A T I O N ( 1 )
P R O D U C T P A C K A G E - L E A D O R D E R I N G N U M B E R T R A N S P O R T M E D I A , Q U A N T I T Y T L C 5 9 4 7 D A P R T a p e a n d R e e l , 2 0 0 0
T L C 5 9 4 7 H T S S O P - 3 2 P o w e r P A D ™ T L C 5 9 4 7 D A P T u b e , 4 6
T L C 5 9 4 7 R H B R T a p e a n d R e e l , 3 0 0 0 T L C 5 9 4 7 5 - m m × 5 - m m Q F N - 3 2
T L C 5 9 4 7 R H B T a p e a n d R e e l , 2 5 0
( 1 ) F o r t h e m o s t c u r r e n t p a c k a g e a n d o r d e r i n g i n f o r m a t i o n s e e t h e P a c k a g e O p t i o n A d d e n d u m a t t h e e n d o f t h i s d o c u m e n t , o r s e e t h e T I w e b s i t e a t w w w . t i . c o m .
O v e r o p e r a t i n g f r e e - a i r t e m p e r a t u r e r a n g e , u n l e s s o t h e r w i s e n o t e d .
P A R A M E T E R T L C 5 9 4 7 U N I T
V C C S u p p l y v o l t a g e : V C C – 0 . 3 t o + 6 . 0 V
I O O u t p u t c u r r e n t ( d c ) O U T 0 t o O U T 2 3 3 8 m A
V I I n p u t v o l t a g e r a n g e S I N , S C L K , X L A T , B L A N K – 0 . 3 t o V C C + 0 . 3 V
S O U T – 0 . 3 t o V C C + 0 . 3 V V O O u t p u t v o l t a g e r a n g e
O U T 0 t o O U T 2 3 – 0 . 3 t o + 3 3 V
T J ( M A X ) O p e r a t i n g j u n c t i o n t e m p e r a t u r e + 1 5 0 ° C
T S T G S t o r a g e t e m p e r a t u r e r a n g e – 5 5 t o + 1 5 0 ° C
H u m a n b o d y m o d e l ( H B M ) 2 k V E S D r a t i n g
C h a r g e d d e v i c e m o d e l ( C D M ) 5 0 0 V
( 1 ) S t r e s s e s a b o v e t h e s e r a t i n g s m a y c a u s e p e r m a n e n t d a m a g e . E x p o s u r e t o a b s o l u t e m a x i m u m c o n d i t i o n s f o r e x t e n d e d p e r i o d s m a y d e g r a d e d e v i c e r e l i a b i l i t y . T h e s e a r e s t r e s s r a t i n g s o n l y , a n d f u n c t i o n a l o p e r a t i o n o f t h e d e v i c e a t t h e s e o r a n y o t h e r c o n d i t i o n s b e y o n d t h o s e s p e c i f i e d i s n o t s u p p o r t e d .
( 2 ) A l l v o l t a g e v a l u e s a r e w i t h r e s p e c t t o n e t w o r k g r o u n d t e r m i n a l .
O P E R A T I N G F A C T O R T A < + 2 5 ° C T A = + 7 0 ° C T A = + 8 5 ° C P A C K A G E A B O V E T A = + 2 5 ° C P O W E R R A T I N G P O W E R R A T I N G P O W E R R A T I N G
H T S S O P - 3 2 w i t h 4 2 . 5 4 m W / ° C 5 3 1 8 m W 3 4 0 3 m W 2 7 6 5 m W
P o w e r P A D s o l d e r e d ( 1 )
H T S S O P - 3 2 w i t h 2 2 . 5 6 m W / ° C 2 8 2 0 m W 1 8 0 5 m W 1 4 6 6 m W
P o w e r P A D n o t s o l d e r e d ( 2 )
Q F N - 3 2 ( 3 ) 2 7 . 8 6 m W / ° C 3 4 8 2 m W 2 2 2 8 m W 1 8 1 1 m W
( 1 ) W i t h P o w e r P A D s o l d e r e d o n t o c o p p e r a r e a o n p r i n t e d c i r c u i t b o a r d ( P C B ) ; 2 o z . c o p p e r . F o r m o r e i n f o r m a t i o n , s e e S L M A 0 0 2 ( a v a i l a b l e f o r d o w n l o a d a t w w w . t i . c o m ) .
( 2 ) W i t h P o w e r P A D n o t s o l d e r e d o n t o c o p p e r a r e a o n P C B . ( 3 ) T h e p a c k a g e t h e r m a l i m p e d a n c e i s c a l c u l a t e d i n a c c o r d a n c e w i t h J E S D 5 1 - 5 .
2 S u b m i t D o c u m e n t a t i o n F e e d b a c k C o p y r i g h t © 2 0 0 8 , T e x a s I n s t r u m e n t s I n c o r p o r a t e d
P r o d u c t F o l d e r L i n k ( s ) : T L C 5 9 4 7
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R E C O M M E N D E D O P E R A T I N G C O N D I T I O N S
T L C 5 9 4 7
w w w . t i . c o m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S B V S 1 1 4 A – J U L Y 2 0 0 8 – R E V I S E D S E P T E M B E R 2 0 0 8
A t T A = – 4 0 ° C t o + 8 5 ° C , u n l e s s o t h e r w i s e n o t e d .
T L C 5 9 4 7
P A R A M E T E R T E S T C O N D I T I O N S M I N N O M M A X U N I T
D C C h a r a c t e r i s t i c s : V C C = 3 V t o 5 . 5 V
V C C S u p p l y v o l t a g e 3 . 0 5 . 5 V V O V o l t a g e a p p l i e d t o o u t p u t O U T 0 t o O U T 2 3 3 0 V
V I H H i g h - l e v e l i n p u t v o l t a g e 0 . 7 × V C C V C C V
V I L L o w - l e v e l i n p u t v o l t a g e G N D 0 . 3 × V C C V
I O H H i g h - l e v e l o u t p u t c u r r e n t S O U T – 3 m A
I O L L o w - l e v e l o u t p u t c u r r e n t S O U T 3 m A
I O L C C o n s t a n t o u t p u t s i n k c u r r e n t O U T 0 t o O U T 2 3 2 3 0 m A
O p e r a t i n g f r e e - a i r t e m p e r a t u r e T A – 4 0 + 8 5 ° C
r a n g e
T J O p e r a t i n g j u n c t i o n t e m p e r a t u r e – 4 0 + 1 2 5 ° C
A C C h a r a c t e r i s t i c s : V C C = 3 V t o 5 . 5 V
S C L K , S t a n d a l o n e o p e r a t i o n 3 0 M H z f S C L K D a t a s h i f t c l o c k f r e q u e n c y
S C L K , D u t y 5 0 % , c a s c a d e o p e r a t i o n 1 5 M H z T W H 0 S C L K = H i g h - l e v e l p u l s e w i d t h 1 2 n s
T W L 0 P u l s e d u r a t i o n S C L K = L o w - l e v e l p u l s e w i d t h 1 0 n s
T W H 1 X L A T , B L A N K H i g h - l e v e l p u l s e w i d t h 3 0 n s
T S U 0 S I N – S C L K ↑ 5 n s
T S U 1 S e t u p t i m e X L A T ↑ – S C L K ↑ 1 0 0 n s
T S U 2 X L A T ↑ – B L A N K ↓ 3 0 n s
T H 0 S I N – S C L K ↑ 3 n s H o l d t i m e
T H 1 X L A T ↑ – S C L K ↑ 1 0 n s
C o p y r i g h t © 2 0 0 8 , T e x a s I n s t r u m e n t s I n c o r p o r a t e d S u b m i t D o c u m e n t a t i o n F e e d b a c k 3
P r o d u c t F o l d e r L i n k ( s ) : T L C 5 9 4 7
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S W I T C H I N G C H A R A C T E R I S T I C S
F U N C T I O N A L B L O C K D I A G R A M
SCLK
IREF
XLAT
GND
G yscalra e (12 Bi ts 24 Ch annels) Data
Shift Register
12 Bits PWM Timing Control
OUT0
ThermalDetection
VCC
OU 23T
SOUT
4 MHz
InternalOscillator
OUT1 OU 22T
288
LSB MSB
0 287
VCC
SIN
Grayscale (12 Bits 24 C hannels) Data
Data Latch
LSB
0
288
MSB
287
BL NK A
24-Channel, C nstant Curreo nt Driver
24
D Q
CK
T L C 5 9 4 7
w w w . t i . c o m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S B V S 1 1 4 A – J U L Y 2 0 0 8 – R E V I S E D S E P T E M B E R 2 0 0 8
A t V C C = 3 . 0 V t o 5 . 5 V , T A = – 4 0 ° C t o + 8 5 ° C , C L = 1 5 p F , R L = 1 5 0 Ω , R I R E F = 1 . 6 k Ω , a n d V L E D = 5 . 5 V . T y p i c a l v a l u e s a t
V C C = 3 . 3 V a n d T A = + 2 5 ° C , u n l e s s o t h e r w i s e n o t e d .
T L C 5 9 4 7
P A R A M E T E R T E S T C O N D I T I O N S M I N T Y P M A X U N I T
t R 0
S O U T 1 0 1 5 n s R i s e t i m e
t R 1 O U T n 1 5 4 0 n s
t F 0 S O U T 1 0 1 5 n s F a l l t i m e
t F 1 O U T n 1 0 0 3 0 0 n s
I n t e r n a l o s c i l l a t o r f O S C 2 . 4 4 5 . 6 M H z
f r e q u e n c y
t D 0 S C L K ↓ t o S O U T 1 5 2 5 n s
t D 1 B L A N K ↑ t o O U T 0 s i n k c u r r e n t o f f 2 0 4 0 n s
t D 2 P r o p a g a t i o n d e l a y t i m e O U T 0 c u r r e n t o n t o O U T 1 / 5 / 9 / 1 3 / 1 7 / 2 1 c u r r e n t o n 1 5 2 4 3 3 n s
t D 3 O U T 0 c u r r e n t o n t o O U T 2 / 6 / 1 0 / 1 4 / 1 8 / 2 2 c u r r e n t o n 3 0 4 8 6 6 n s
t D 4 O U T 0 c u r r e n t o n t o O U T 3 / 7 / 1 1 / 1 5 / 1 9 / 2 3 c u r r e n t o n 4 5 7 2 9 9 n s
C o p y r i g h t © 2 0 0 8 , T e x a s I n s t r u m e n t s I n c o r p o r a t e d S u b m i t D o c u m e n t a t i o n F e e d b a c k 5
P r o d u c t F o l d e r L i n k ( s ) : T L C 5 9 4 7
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D E V I C E I N F O R M A T I O N
Thermal Pad
(Bottom Side)
O U T 0
O U T 1
O U T 2
O U T 3
O U T 4
O U T 5
O U T 6
O U T 7
O U T 2 3
O U T 2 2
O U T 2 1
O U T 2 0
O U T 1 9
O U T 1 8
O U T 1 7
O U T 1 6
1 2 3 4 5 6 7 8
2 4
2 3
2 2
2 1
2 0
1 9
1 8
1 7
SIN 32 OUT8
SCLK OUT9
BLANK OUT10
GND OUT11
VCC OUT12
IREF OUT13
XLAT OUT14
SOUT OUT15
9
1031
1130
1229
1328
1427
1526
1625
GND
BLANK
SCLK
SIN
OUT0
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
OUT8
OUT9
15
16
OUT10
OUT11
VCC
IREF
XLAT
SOUT
OUT23
OUT22
OUT21
OUT20
OUT19
OUT18
OUT17
OUT16
OUT15
OUT14
28
27
26
25
24
23
22
21
20
19
18
17
OUT13
OUT12
32
31
30
29
Thermal Pad
(Bottom Side)
T L C 5 9 4 7
S B V S 1 1 4 A – J U L Y 2 0 0 8 – R E V I S E D S E P T E M B E R 2 0 0 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . w w w . t i . c o m
H T S S O P - 3 2 5 - m m × 5 - m m Q F N - 3 2 ( 1 )
D A P P A C K A G E R H B P A C K A G E ( T O P V I E W ) ( T O P V I E W )
( 1 ) T h i s d e v i c e i s p r o d u c t p r e v i e w .
N O T E : T h e r m a l p a d i s n o t c o n n e c t e d t o G N D i n t e r n a l l y . T h e t h e r m a l p a d m u s t b e c o n n e c t e d t o G N D v i a t h e P C B
p a t t e r n .
6 S u b m i t D o c u m e n t a t i o n F e e d b a c k C o p y r i g h t © 2 0 0 8 , T e x a s I n s t r u m e n t s I n c o r p o r a t e d
P r o d u c t F o l d e r L i n k ( s ) : T L C 5 9 4 7
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T L C 5 9 4 7
w w w . t i . c o m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S B V S 1 1 4 A – J U L Y 2 0 0 8 – R E V I S E D S E P T E M B E R 2 0 0 8
T E R M I N A L F U N C T I O N S
T E R M I N A L
N A M E D A P R H B I / O D E S C R I P T I O N
S I N 4 3 2 I S e r i a l i n p u t f o r g r a y s c a l e d a t a
S e r i a l d a t a s h i f t c l o c k . S c h m i t t b u f f e r i n p u t . D a t a p r e s e n t o n t h e S I N p i n a r e s h i f t e d i n t o t h e s h i f t r e g i s t e r w i t h t h e r i s i n g e d g e o f t h e S C L K p i n . D a t a a r e s h i f t e d t o t h e M S B s i d e b y 1 - b i t
S C L K 3 3 1 I s y n c h r o n i z i n g o f t h e r i s i n g e d g e o f S C L K . T h e M S B d a t a a p p e a r s o n S O U T a t t h e f a l l i n g e d g e o f S C L K . A r i s i n g e d g e o n t h e S C L K i n p u t i s a l l o w e d 1 0 0 n s a f t e r a n X L A T r i s i n g e d g e .
T h e d a t a i n t h e g r a y s c a l e s h i f t r e g i s t e r a r e m o v e d t o t h e g r a y s c a l e d a t a l a t c h w i t h a l o w - t o - h i g h t r a n s i t i o n o n t h i s p i n . W h e n t h e X L A T r i s i n g e d g e i s i n p u t , a l l c o n s t a n t c u r r e n t o u t p u t s a r e f o r c e d
X L A T 3 0 2 6 I o f f u n t i l t h e n e x t g r a y s c a l e d i s p l a y p e r i o d . T h e g r a y s c a l e c o u n t e r i s n o t r e s e t t o z e r o w i t h a r i s i n g e d g e o f X L A T .
B l a n k ( a l l c o n s t a n t c u r r e n t o u t p u t s o f f ) . W h e n B L A N K i s h i g h , a l l c o n s t a n t c u r r e n t o u t p u t s ( O U T 0 t h r o u g h O U T 2 3 ) a r e f o r c e d o f f , t h e g r a y s c a l e P W M t i m i n g c o n t r o l l e r i n i t i a l i z e s , a n d t h e g r a y s c a l e
B L A N K 2 3 0 I c o u n t e r r e s e t s t o ' 0 ' . W h e n B L A N K i s l o w , a l l c o n s t a n t c u r r e n t o u t p u t s a r e c o n t r o l l e d b y t h e g r a y s c a l e P W M t i m i n g c o n t r o l l e r .
T h i s p i n s e t s t h e c o n s t a n t c u r r e n t v a l u e . O U T 0 t h r o u g h O U T 2 3 c o n s t a n t s i n k c u r r e n t i s s e t t o t h e I R E F 3 1 2 7 I / O
d e s i r e d v a l u e b y c o n n e c t i n g a n e x t e r n a l r e s i s t o r b e t w e e n I R E F a n d G N D .
S e r i a l d a t a o u t p u t . T h i s o u t p u t i s c o n n e c t e d t o t h e s h i f t r e g i s t e r p l a c e d a f t e r t h e M S B o f t h e g r a y s c a l e s h i f t r e g i s t e r . T h e r e f o r e , t h e M S B d a t a o f t h e g r a y s c a l e s h i f t r e g i s t e r a p p e a r s a t t h e
S O U T 2 9 2 5 O f a l l i n g e d g e o f S C L K . T h i s f u n c t i o n r e d u c e s t h e d a t a s h i f t i n g e r r o r s c a u s e d b y s m a l l t i m i n g
m a r g i n s b e t w e e n S I N a n d S C L K .
C o n s t a n t c u r r e n t o u t p u t . M u l t i p l e o u t p u t s c a n b e t i e d t o g e t h e r t o i n c r e a s e t h e c o n s t a n t c u r r e n t O U T 0 5 1 O
c a p a b i l i t y . D i f f e r e n t v o l t a g e s c a n b e a p p l i e d t o e a c h o u t p u t .
O U T 1 6 2 O C o n s t a n t c u r r e n t o u t p u t
O U T 2 7 3 O C o n s t a n t c u r r e n t o u t p u t
O U T 3 8 4 O C o n s t a n t c u r r e n t o u t p u t
O U T 4 9 5 O C o n s t a n t c u r r e n t o u t p u t
O U T 5 1 0 6 O C o n s t a n t c u r r e n t o u t p u t
O U T 6 1 1 7 O C o n s t a n t c u r r e n t o u t p u t
O U T 7 1 2 8 O C o n s t a n t c u r r e n t o u t p u t
O U T 8 1 3 9 O C o n s t a n t c u r r e n t o u t p u t
O U T 9 1 4 1 0 O C o n s t a n t c u r r e n t o u t p u t
O U T 1 0 1 5 1 1 O C o n s t a n t c u r r e n t o u t p u t
O U T 1 1 1 6 1 2 O C o n s t a n t c u r r e n t o u t p u t
O U T 1 2 1 7 1 3 O C o n s t a n t c u r r e n t o u t p u t
O U T 1 3 1 8 1 4 O C o n s t a n t c u r r e n t o u t p u t
O U T 1 4 1 9 1 5 O C o n s t a n t c u r r e n t o u t p u t
O U T 1 5 2 0 1 6 O C o n s t a n t c u r r e n t o u t p u t
O U T 1 6 2 1 1 7 O C o n s t a n t c u r r e n t o u t p u t
O U T 1 7 2 2 1 8 O C o n s t a n t c u r r e n t o u t p u t
O U T 1 8 2 3 1 9 O C o n s t a n t c u r r e n t o u t p u t
O U T 1 9 2 4 2 0 O C o n s t a n t c u r r e n t o u t p u t
O U T 2 0 2 5 2 1 O C o n s t a n t c u r r e n t o u t p u t
O U T 2 1 2 6 2 2 O C o n s t a n t c u r r e n t o u t p u t
O U T 2 2 2 7 2 3 O C o n s t a n t c u r r e n t o u t p u t
O U T 2 3 2 8 2 4 O C o n s t a n t c u r r e n t o u t p u t
V C C 3 2 2 8 — P o w e r - s u p p l y v o l t a g e
G N D 1 2 9 — P o w e r g r o u n d
C o p y r i g h t © 2 0 0 8 , T e x a s I n s t r u m e n t s I n c o r p o r a t e d S u b m i t D o c u m e n t a t i o n F e e d b a c k 7
P r o d u c t F o l d e r L i n k ( s ) : T L C 5 9 4 7
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P A R A M E T E R M E A S U R E M E N T I N F O R M A T I O N
P I N E Q U I V A L E N T I N P U T A N D O U T P U T S C H E M A T I C D I A G R A M S
VCC
INPUT
GND
VCC
SOUT
GND
OUTn
GND
T E S T C I R C U I T S
VCC
VCC
GND
IREF OUTn
RIREF
RL
CL
VLED VCC
VCC
GND
SOUT
CL
VCC
RIREF
VOUTFIX
VOUTn
OUT0VCC
OUTn
OUT23GND
IREF
T L C 5 9 4 7
S B V S 1 1 4 A – J U L Y 2 0 0 8 – R E V I S E D S E P T E M B E R 2 0 0 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . w w w . t i . c o m
F i g u r e 1 . S I N , S C L K , X L A T , B L A N K F i g u r e 2 . S O U T
F i g u r e 3 . O U T 0 T h r o u g h O U T 2 3
F i g u r e 4 . R i s e T i m e a n d F a l l T i m e T e s t C i r c u i t f o r O U T n F i g u r e 5 . R i s e T i m e a n d F a l l T i m e T e s t C i r c u i t f o r S O U T
F i g u r e 6 . C o n s t a n t C u r r e n t T e s t C i r c u i t f o r O U T n
8 S u b m i t D o c u m e n t a t i o n F e e d b a c k C o p y r i g h t © 2 0 0 8 , T e x a s I n s t r u m e n t s I n c o r p o r a t e d
P r o d u c t F o l d e r L i n k ( s ) : T L C 5 9 4 7
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T I M I N G D I A G R A M S
T , T, T :WH0 WH1WL0
INPUT(1)
CLOCK
INPUT(1)
DATA/CONTROLINPUT
(1)
T , T , T , T , T :SU0 SU1 SU2 H0 H1
TSU TH
VCC
VCC
GND
VCC
GND
GND
50%
50%
50%
TWH TWL
, , , , , , , , :R0 R1 F0 F1 D0 D1 D2 D3 D4
INPUT(1) 50%
50%
90%
10%
OUTPUT
tD
t or tR F
V or VOL OUTn
V or VOH OUTn
GND
VCC
T L C 5 9 4 7
w w w . t i . c o m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S B V S 1 1 4 A – J U L Y 2 0 0 8 – R E V I S E D S E P T E M B E R 2 0 0 8
( 1 ) I n p u t p u l s e r i s e a n d f a l l t i m e i s 1 n s t o 3 n s .
F i g u r e 7 . I n p u t T i m i n g
( 1 ) I n p u t p u l s e r i s e a n d f a l l t i m e i s 1 n s t o 3 n s .
F i g u r e 8 . O u t p u t T i m i n g
C o p y r i g h t © 2 0 0 8 , T e x a s I n s t r u m e n t s I n c o r p o r a t e d S u b m i t D o c u m e n t a t i o n F e e d b a c k 9
P r o d u c t F o l d e r L i n k ( s ) : T L C 5 9 4 7
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T Y P I C A L C H A R A C T E R I S T I C S
100000
10000
10000 5 10 15 20 30
Output Current (mA)
ReferenceResistor(
)
25
9840
4920
32802460
1640
1968
24600
6000
5000
4000
3000
2000
1000
0
40 20 0 20 40 60 80
Free-Air Temperature ( C)
PowerDissipationRate(mW)
TLC5947RHB
TLC5947DAPPowerPAD Soldered
TLC5947DAP
PowerPAD Not Soldered
100
35
30
25
20
15
10
5
0 0 0.5 1.0 1.5 2.0 2.5 3.0
Output Voltage (V)
OutputCurrent(mA)
T = +25 C A I = 30 mAO
I = 25 mAO
I = 20 mAO
I = 15 mAO
I = 10 mAO
I = 5 mAOI = 2 mAO
35
34
33
32
31
30
29
28
27
26
25 0 0.5 1.0 1.5 2.0 2.5 3.0
Output Voltage (V)
OutputCurrent(mA)
I = 30 mAO
T = 4 0 C A
T = +25 C A
T = +85 C A
4
3
2
1
0
1
2
3
4
40 20 0 20 40 60 80 100
Ambient Temperature ( C)
I
( % )
O L C
I = 30 mAO
V = 5 VCC
V = 3.3 VCC
4
3
2
1
0
1
2
3
4
0 5 10 15 20 25 30
Output Current (mA)
I
( % )
O L C
T = +25 C A
V = 5 VCC
V = 3.3 VCC
T L C 5 9 4 7
w w w . t i . c o m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S B V S 1 1 4 A – J U L Y 2 0 0 8 – R E V I S E D S E P T E M B E R 2 0 0 8
A t V C C = 3 . 3 V a n d T A = + 2 5 ° C , u n l e s s o t h e r w i s e n o t e d .
R E F E R E N C E R E S I S T O R P O W E R D I S S I P A T I O N R A T E v s O U T P U T C U R R E N T v s F R E E - A I R T E M P E R A T U R E
F i g u r e 1 0 . F i g u r e 1 1 .
O U T P U T C U R R E N T v s O U T P U T C U R R E N T v s O U T P U T V O L T A G E O U T P U T V O L T A G E
F i g u r e 1 2 . F i g u r e 1 3 .
Δ I O L C v s A M B I E N T T E M P E R A T U R E Δ I O L C v s O U T P U T C U R R E N T
F i g u r e 1 4 . F i g u r e 1 5 .
C o p y r i g h t © 2 0 0 8 , T e x a s I n s t r u m e n t s I n c o r p o r a t e d S u b m i t D o c u m e n t a t i o n F e e d b a c k 1 1
P r o d u c t F o l d e r L i n k ( s ) : T L C 5 9 4 7
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Time (100 ns/div)
CH3-OUT23
(GSData = 003h)
C 2-OUT0
(GSData = 002h)
H
CH1-OUT0
(GSData = 001h)CH1 (2 V/div)
CH2 (2 V/div)
CH3 (2 V/div)
I = 30 mA
T = +25 C
R = 150
C = 15 pF
VLED = 5.5 V
OLCMax
A
L
L
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
040 20 0 20 35 55 70
Ambient Temperature ( C)
InternalOscillatorFrequency(MHz
)
V = +3.3 VCC
85
V = +5 VCC
T L C 5 9 4 7
S B V S 1 1 4 A – J U L Y 2 0 0 8 – R E V I S E D S E P T E M B E R 2 0 0 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . w w w . t i . c o m
T Y P I C A L C H A R A C T E R I S T I C S ( c o n t i n u e d )
A t V C C = 3 . 3 V a n d T A = + 2 5 ° C , u n l e s s o t h e r w i s e n o t e d .
I N T E R N A L O S C I L L A T O R F R E Q U E N C Y C O N S T A N T C U R R E N T O U T P U T v s A M B I E N T T E M P E R A T U R E V O L T A G E W A V E F O R M
F i g u r e 1 6 . F i g u r e 1 7 .
1 2 S u b m i t D o c u m e n t a t i o n F e e d b a c k C o p y r i g h t © 2 0 0 8 , T e x a s I n s t r u m e n t s I n c o r p o r a t e d
P r o d u c t F o l d e r L i n k ( s ) : T L C 5 9 4 7
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D E T A I L E D D E S C R I P T I O N
S E T T I N G F O R T H E C O N S T A N T S I N K C U R R E N T V A L U E
R ( ) = 41IREF
V (V)IREF
I (mA)OLC ( 1 )
G R A Y S C A L E ( G S ) C O N T R O L F U N C T I O N
T L C 5 9 4 7
w w w . t i . c o m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S B V S 1 1 4 A – J U L Y 2 0 0 8 – R E V I S E D S E P T E M B E R 2 0 0 8
T h e c o n s t a n t c u r r e n t v a l u e f o r a l l c h a n n e l s i s s e t b y a n e x t e r n a l r e s i s t o r ( R I R E F ) p l a c e d b e t w e e n I R E F a n d G N D . T h e r e s i s t o r ( R I R E F ) v a l u e i s c a l c u l a t e d b y E q u a t i o n 1 .
W h e r e :
V I R E F = t h e i n t e r n a l r e f e r e n c e v o l t a g e o n t h e I R E F p i n ( t y p i c a l l y 1 . 2 0 V ) .
I O L C m u s t b e s e t i n t h e r a n g e o f 2 m A t o 3 0 m A . T h e c o n s t a n t s i n k c u r r e n t c h a r a c t e r i s t i c f o r t h e e x t e r n a l r e s i s t o r v a l u e i s s h o w n i n F i g u r e 1 0 . T a b l e 1 d e s c r i b e s t h e c o n s t a n t c u r r e n t o u t p u t v e r s u s e x t e r n a l r e s i s t o r v a l u e .
T a b l e 1 . C o n s t a n t - C u r r e n t O u t p u t v e r s u s E x t e r n a l R e s i s t o r V a l u e
I O L C ( m A , T y p i c a l ) R I R E F ( Ω )
3 0 1 6 4 0
2 5 1 9 6 8
2 0 2 4 6 0
1 5 3 2 8 0
1 0 4 9 2 0
5 9 8 4 0
2 2 4 6 0 0
E a c h c o n s t a n t c u r r e n t s i n k o u t p u t O U T 0 – O U T 2 3 ( O U T n ) t u r n s o n ( s t a r t s t o s i n k c o n s t a n t c u r r e n t ) a t t h e f i f t h r i s i n g e d g e o f t h e g r a y s c a l e i n t e r n a l o s c i l l a t o r c l o c k a f t e r t h e B L A N K s i g n a l t r a n s i t i o n s f r o m h i g h t o l o w i f t h e g r a y s c a l e d a t a l a t c h e d i n t o t h e g r a y s c a l e d a t a l a t c h a r e n o t z e r o . A f t e r t u r n - o n , t h e n u m b e r o f r i s i n g e d g e s o f t h e i n t e r n a l o s c i l l a t o r i s c o u n t e d b y t h e 1 2 - b i t g r a y s c a l e c o u n t e r . E a c h O U T n o u t p u t i s t u r n e d o f f o n c e i t s c o r r e s p o n d i n g g r a y s c a l e d a t a v a l u e s e q u a l t h e g r a y s c a l e c o u n t e r o r t h e c o u n t e r r e a c h e s 4 0 9 6 d ( F F F h ) . T h e P W M c o n t r o l o p e r a t i o n i s r e p e a t e d a s l o n g a s B L A N K i s l o w . O U T n i s n o t t u r n e d o n w h e n B L A N K i s h i g h . T h e
t i m i n g i s s h o w n i n F i g u r e 1 8 . A l l o u t p u t s a r e t u r n e d o f f a t t h e X L A T r i s i n g e d g e . A f t e r t h a t , e a c h o u t p u t i s c o n t r o l l e d a g a i n f r o m t h e f i r s t c l o c k o f t h e i n t e r n a l o s c i l l a t o r f o r t h e n e x t d i s p l a y p e r i o d , b a s e d o n t h e l a t e s t g r a y s c a l e d a t a .
W h e n t h e I C i s p o w e r e d o n , t h e d a t a i n t h e g r a y s c a l e d a t a s h i f t r e g i s t e r a n d l a t c h a r e n o t s e t t o d e f a u l t v a l u e s . T h e r e f o r e , g r a y s c a l e d a t a m u s t b e w r i t t e n t o t h e G S l a t c h b e f o r e t u r n i n g o n t h e c o n s t a n t c u r r e n t o u t p u t . B L A N K s h o u l d b e a t a h i g h l e v e l w h e n p o w e r e d o n t o k e e p t h e o u t p u t s o f f u n t i l v a l i d g r a y s c a l e d a t a a r e w r i t t e n t o t h e l a t c h . T h i s a v o i d s t h e L E D b e i n g r a n d o m l y i l l u m i n a t e d i m m e d i a t e l y a f t e r p o w e r - u p . I f h a v i n g t h e o u t p u t s t u r n o n a t p o w e r - u p i s n o t a p r o b l e m f o r t h e a p p l i c a t i o n , t h e n B L A N K d o e s n o t n e e d t o b e h e l d h i g h . T h e g r a y s c a l e f u n c t i o n s c a n b e c o n t r o l l e d d i r e c t l y b y g r a y s c a l e d a t a w r i t i n g , e v e n t h o u g h B L A N K i s c o n n e c t e d t o G N D .
C o p y r i g h t © 2 0 0 8 , T e x a s I n s t r u m e n t s I n c o r p o r a t e d S u b m i t D o c u m e n t a t i o n F e e d b a c k 1 3
P r o d u c t F o l d e r L i n k ( s ) : T L C 5 9 4 7
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T = Internal CLK 65
InternalOscillator
Clock
BLANK
OUTn(GS Data = 000h) ONOFF
OUTn(GS Data = 001h) ON
OFF
OUTn(GS Data = 002h) ON
OFF
ON
OFFOUTn(GS Data = 003h)
OUTn(GS Data = 03Fh)
ON
OFF
OFFOUTn(GS Data = 040h) ON
ON
OFFOUTn(GS Data = 041h)
OUTn(GS Data = 400h) ON
OFF
ON
OFFOUTn(GS Data = 401h)
ON
OFF
ON
OFF
OUTn(GS Data = FFFh)
ON
OFF
0 0 0 0 1 2 3
T = Internal CLK 64
63 6564 66
1025 1028 10311026 1029
1027 1030
3071 3074 30773072 3075
3073
4094 1 24095
40963076
2047 20502048 2051
2049 2052
OUTn(GS Data = FFEh)
OUTn(GS Data = 800h)
OUTn(GS Data = C00h) ON
OFF
Counter Value
T = InternalCLK 63
T = Internal CLK 4095
T = Internal CLK 4094
T = Internal CLK 1024
T = Internal CLK 1025
T = Internal CLK 2048
T = Internal CLK 3072
T = Internal CLK 1
T = Internal CLK 2
Drivers do not turn on when grayscale data are ‘0’.
T = Internal CLK 3
Grayscale counter starts to count from 5th BLANK goes low.clock of the internal oscillator clock after
Dotted line indicates BLANK is high.
T L C 5 9 4 7
S B V S 1 1 4 A – J U L Y 2 0 0 8 – R E V I S E D S E P T E M B E R 2 0 0 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . w w w . t i . c o m
F i g u r e 1 8 . P W M O p e r a t i o n
1 4 S u b m i t D o c u m e n t a t i o n F e e d b a c k C o p y r i g h t © 2 0 0 8 , T e x a s I n s t r u m e n t s I n c o r p o r a t e d
P r o d u c t F o l d e r L i n k ( s ) : T L C 5 9 4 7
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R E G I S T E R C O N F I G U R A T I O N
Grayscale Shift Register (12 Bits 24 Channels)Data
Grayscale Data Latch (12 Bits 24 Channels) 288 Bits
To PWM Timing Control Block
SOUT
GS Data for OUT23 GS Data for OUT22 GS Data for OUT1 GS Data for OUT0
MSB287 276 275 12 11
LSB0
GS Data forBit 0 of OUT1
GS Data for
Bit 11 of OUT0
GS Data for
Bit 0 of OUT0
GS Data for
Bit 0 of
OUT23
GS Data for
Bit 11 of
OUT22
GS Data for
Bit 11 of
OUT23
SIN
SCLK
GS Data for OUT23 GS Data for OUT22 GS Data for OUT1 GS Data for OUT0
MSB287 276 275 12 11
LSB0
GS Data for
Bit 0 of OUT1
GS Data for
Bit 11 of OUT0
GS Data for
Bit 0 of OUT0
GS Data for
Bit 0 of OUT23
GS Data for
Bit 11 of OUT22
GS Data for
Bit 11 of OUT23
XLAT
T L C 5 9 4 7
w w w . t i . c o m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S B V S 1 1 4 A – J U L Y 2 0 0 8 – R E V I S E D S E P T E M B E R 2 0 0 8
T h e T L C 5 9 4 7 h a s a g r a y s c a l e ( G S ) d a t a s h i f t r e g i s t e r a n d d a t a l a t c h . B o t h t h e G S d a t a s h i f t r e g i s t e r a n d l a t c h a r e 2 8 8 b i t s l o n g a n d a r e u s e d t o s e t t h e P W M t i m i n g f o r t h e c o n s t a n t c u r r e n t d r i v e r . T a b l e 2 s h o w s t h e o n d u t y c y c l e f o r e a c h G S d a t a . F i g u r e 1 9 s h o w s t h e s h i f t r e g i s t e r a n d d a t a l a t c h c o n f i g u r a t i o n . T h e d a t a a t t h e S I N p i n a r e s h i f t e d t o t h e L S B o f t h e s h i f t r e g i s t e r a t t h e r i s i n g e d g e o f t h e S C L K p i n ; S O U T d a t a a r e s h i f t e d o u t o n t h e f a l l i n g e d g e o f S C L K . T h e t i m i n g d i a g r a m f o r d a t a w r i t i n g i s s h o w n i n F i g u r e 2 0 . T h e d r i v e r o n d u t y i s c o n t r o l l e d
b y t h e d a t a i n t h e G S d a t a l a t c h .
F i g u r e 1 9 . G r a y s c a l e D a t a S h i f t R e g i s t e r a n d L a t c h C o n f i g u r a t i o n
T a b l e 2 . G S D a t a v e r s u s O n D u t y
G S D A T A G S D A T A G S D A T A D U T Y O F D R I V E R T U R N - O N ( B i n a r y ) ( D e c i m a l ) ( H e x ) T I M E ( % )
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 . 0 0
0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 1 0 . 0 2
0 0 0 0 0 0 0 0 0 0 1 0 2 0 0 2 0 . 0 5
0 0 0 0 0 0 0 0 0 0 1 1 3 0 0 3 0 . 0 7
— — — —
0 1 1 1 1 1 1 1 1 1 1 1 2 0 4 7 7 F F 4 9 . 9 8
1 0 0 0 0 0 0 0 0 0 0 0 2 0 4 8 8 0 0 5 0 . 0 0
1 0 0 0 0 0 0 0 0 0 0 1 2 0 4 9 8 0 1 5 0 . 0 2
— — — —
1 1 1 1 1 1 1 1 1 1 0 1 4 0 9 3 F F D 9 9 . 9 3 1 1 1 1 1 1 1 1 1 1 1 0 4 0 9 4 F F E 9 9 . 9 5
1 1 1 1 1 1 1 1 1 1 1 1 4 0 9 5 F F F 9 9 . 9 8
C o p y r i g h t © 2 0 0 8 , T e x a s I n s t r u m e n t s I n c o r p o r a t e d S u b m i t D o c u m e n t a t i o n F e e d b a c k 1 5
P r o d u c t F o l d e r L i n k ( s ) : T L C 5 9 4 7
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On Duty (%) = GSn
4096 100
( 2 )
GS23
5B
GS0
0A
1 2 3 4 5
GS0
0A
GS0
3A
GS0
2B
1 2 3 4 5 6 7285 286 287 288
SIN
ON
OFF
XLAT
SOUT
ON
ON
OFF
ON
OFF
GS23
11B
GS23
10B
GS23
9B
GS23
8B
GS23
7B
GS0
0B
GS0
1B
GS0
3B
GS23
11A
GS23
9A
GS23
8A
GS23
7A
GS0
2A
GS0
1A
GS0
0A
GS23
11BGS23
10A
Latest Grayscale Latch Data
SCLK
GS23
11C
GS23
10C
GS23
9C
GS23
8C
GS23
7C
GS23
6C
GS23
10B
GS23
9B
GS23
8B
GS23
7B
GS23
6B
GS0
2B
GS23
11B
GS23
10B
GS23
9B
GS23
8B
GS0
0B
GS0
1B
GS0
3B
GS23
11C
GS23
10C
GS23
9C
GS23
8C
GS23
7C
GS23
6C
4094
4093 1 2 3 44095
4096
ON
ON
ON
ON
OFF
OFF
OFF
OFF
ON
ON
ON
ON
OFF
ON
GS0
1A
GS0
3B
GS0
0A
GS23
11B
GS23
10B
GS23
9B
GS0
1B
GS0
2B
GS0
4B
GS0
0B
GS23
11C
GS23
10C
GS23
9C
GS23
8C
GS23
7C
GS23
11A
GS0
1A
GS23
10A
GS23
9A
GS23
8A
GS23
7A
GS23
11B
GS23
0A
GS0
2AGS23
10B
GS23
9B
GS23
8B
GS23
7B
GS23
6B
GS23
5B
GS23
10A
GS0
0A
GS23
9A
GS23
8A
GS23
7A
GS23
6A
GS23
10B
GS23
11B
GS0
1A
GS23
9B
GS23
8B
GS23
7B
GS23
6B
GS23
5B
GS23
4B
Shift Register
Bit 0 Data (Internal)
Shift Register
Bit 1 Data (Internal)
Shift Register
Bit 286 Data (Internal)
Shift Register
Bit 287 Data (Internal)
Previous Grayscale Latch DataGrayscale Latch Data
(Internal)
Oscillator Clock
(Internal)
OUT2/6/10/14/18/22(1)
OUT3/7/11/15/19/23(1)
OUT0/4/8/12/16/20(1)
OUT1/5/9/13/17/21(1)
4094
4093 1 2 3 4 5 6 7 84095
4096
T L C 5 9 4 7
S B V S 1 1 4 A – J U L Y 2 0 0 8 – R E V I S E D S E P T E M B E R 2 0 0 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . w w w . t i . c o m
G S d a t a a r e t r a n s f e r r e d f r o m t h e s h i f t r e g i s t e r t o t h e l a t c h b y t h e r i s i n g e d g e o f X L A T . W h e n p o w e r e d u p , t h e d a t a i n t h e g r a y s c a l e s h i f t r e g i s t e r a n d d a t a l a t c h a r e n o t s e t t o d e f a u l t v a l u e s . T h e r e f o r e , g r a y s c a l e d a t a m u s t b e w r i t t e n t o t h e G S l a t c h b e f o r e t u r n i n g o n t h e c o n s t a n t c u r r e n t o u t p u t . B L A N K s h o u l d b e a t a h i g h l e v e l w h e n p o w e r e d o n t o a v o i d f a l s e l y t u r n i n g o n t h e c o n s t a n t c u r r e n t o u t p u t s d u e t o r a n d o m v a l u e s i n t h e l a t c h a t p o w e r - u p . A l l o f t h e c o n s t a n t c u r r e n t o u t p u t s a r e f o r c e d o f f w h e n B L A N K i s h i g h . H o w e v e r , i f t h e r a n d o m v a l u e s t u r n i n g o n a t p o w e r - u p i s n o t a c o n c e r n i n t h e a p p l i c a t i o n , B L A N K c a n b e a t a n y l e v e l . G S c a n b e c o n t r o l l e d c o r r e c t l y w i t h t h e g r a y s c a l e d a t a w r i t i n g f u n c t i o n s , e v e n i f B L A N K i s c o n n e c t e d t o G N D . E q u a t i o n 2 d e t e r m i n e s e a c h o u t p u t o n d u t y .
w h e r e :
G S n = t h e p r o g r a m m e d g r a y s c a l e v a l u e f o r O U T n ( G S n = 0 t o 4 0 9 5 )
( 1 ) G S d a t a = F F F h .
F i g u r e 2 0 . G r a y s c a l e D a t a W r i t e O p e r a t i o n
1 6 S u b m i t D o c u m e n t a t i o n F e e d b a c k C o p y r i g h t © 2 0 0 8 , T e x a s I n s t r u m e n t s I n c o r p o r a t e d
P r o d u c t F o l d e r L i n k ( s ) : T L C 5 9 4 7
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A U T O D I S P L A Y R E P E A T F U N C T I O N
FirstDisplay Period
Internal Oscillator Clock
BLANK
OUTn
(GS Data = 001h)
1 2 3 2047
2048
2049 4094
4095
0 1 2 3 2047
2048
2049 4094
4095
0 1 2 3 0 214096
4095
40942100000
Nth Display Period
Display period is turned on again bythe auto display repeat function.
OFF
ON
OUTn
(GS Data = 800h)
OFF
OUTn
(GS Data = FFFh)
OFF
ON
ON
GS Counter Value
Second
Display Period
0 0 0 0
Four Internal Clock Intervals After BLANK Goes Low Four Internal Clock Intervals After BLANK Goes Low
First Display Period(4096 Internal Clock)
Second Display Period(4096 Internal Clock)
Grayscale counter starts to count from the fifth clockof the internal oscillator clock after BLANK goes low.
T H E R M A L S H U T D O W N ( T S D )
IC Junction Temperature (T )J
OUTn
(GS Data = FFFh)
Internal Oscillator Clock
1 2 3 4095
4096
1 2 4095
4096
1 2 4095
4096
1 2 4095
4096
1 2 4095
4096
1 2 4095
4096
1 2
ON
T < T TJ (TEF) (HYS) T TJ (TEF)
OFF
BLANK
T < T TJ (TEF) (HYS) T TJ (TEF)
OFF
ON
OFF
High
Low
T L C 5 9 4 7
w w w . t i . c o m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S B V S 1 1 4 A – J U L Y 2 0 0 8 – R E V I S E D S E P T E M B E R 2 0 0 8
T h i s f u n c t i o n c a n r e p e a t t h e t o t a l d i s p l a y p e r i o d w i t h o u t a n y t i m i n g c o n t r o l s i g n a l , a s s h o w n i n F i g u r e 2 1 .
F i g u r e 2 1 . A u t o D i s p l a y R e p e a t O p e r a t i o n
T h e t h e r m a l s h u t d o w n ( T S D ) f u n c t i o n t u r n s o f f a l l c o n s t a n t c u r r e n t o u t p u t s i m m e d i a t e l y w h e n t h e I C j u n c t i o n t e m p e r a t u r e e x c e e d s t h e h i g h t e m p e r a t u r e t h r e s h o l d ( T ( T E F ) = + 1 6 2 ° C , t y p ) . T h e o u t p u t s w i l l r e m a i n d i s a b l e d a s l o n g a s t h e o v e r - t e m p e r a t u r e c o n d i t i o n e x i s t s . T h e o u t p u t s a r e t u r n e d o n a g a i n a t t h e f i r s t c l o c k a f t e r t h e I C
j u n c t i o n t e m p e r a t u r e f a l l s b e l o w t h e t e m p e r a t u r e o f T ( T E F ) – T ( H Y S ) . F i g u r e 2 2 s h o w s t h e T S D o p e r a t i o n .
F i g u r e 2 2 . T S D O p e r a t i o n
C o p y r i g h t © 2 0 0 8 , T e x a s I n s t r u m e n t s I n c o r p o r a t e d S u b m i t D o c u m e n t a t i o n F e e d b a c k 1 7
P r o d u c t F o l d e r L i n k ( s ) : T L C 5 9 4 7
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N O I S E R E D U C T I O N
P O W E R D I S S I P A T I O N C A L C U L A T I O N
P = (V I ) + (V I )D CC CC OUT OLC N dPWM ( 3 )
T L C 5 9 4 7
S B V S 1 1 4 A – J U L Y 2 0 0 8 – R E V I S E D S E P T E M B E R 2 0 0 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . w w w . t i . c o m
L a r g e s u r g e c u r r e n t s m a y f l o w t h r o u g h t h e I C a n d t h e b o a r d o n w h i c h t h e d e v i c e i s m o u n t e d i f a l l 2 4 L E D c h a n n e l s t u r n o n s i m u l t a n e o u s l y a t t h e s t a r t o f e a c h g r a y s c a l e c y c l e . T h e s e l a r g e c u r r e n t s u r g e s c o u l d i n t r o d u c e d e t r i m e n t a l n o i s e a n d e l e c t r o m a g n e t i c i n t e r f e r e n c e ( E M I ) i n t o o t h e r c i r c u i t s . T h e T L C 5 9 4 7 t u r n s o n t h e L E D c h a n n e l s i n a s e r i e s d e l a y , t o p r o v i d e a c u r r e n t s o f t - s t a r t f e a t u r e . T h e o u t p u t c u r r e n t s i n k s a r e g r o u p e d i n t o f o u r g r o u p s o f s i x c h a n n e l s e a c h . T h e f i r s t g r o u p i s O U T 0 , 4 , 8 , 1 2 , 1 6 , 2 0 ; t h e s e c o n d g r o u p i s O U T 1 , 5 , 9 , 1 3 , 1 7 ,
2 1 ; t h e t h i r d g r o u p i s O U T 2 , 6 , 1 0 , 1 4 , 1 8 , 2 2 ; a n d t h e f o u r t h g r o u p i s O U T 3 , 7 , 1 1 , 1 5 , 1 9 , 2 3 . E a c h g r o u p t u r n s o n s e q u e n t i a l l y w i t h a s m a l l d e l a y b e t w e e n g r o u p s ; s e e F i g u r e 9 . B o t h t u r n - o n a n d t u r n - o f f a r e d e l a y e d .
T h e d e v i c e p o w e r d i s s i p a t i o n m u s t b e b e l o w t h e p o w e r d i s s i p a t i o n r a t e o f t h e d e v i c e p a c k a g e ( i l l u s t r a t e d i n F i g u r e 1 1 ) t o e n s u r e c o r r e c t o p e r a t i o n . E q u a t i o n 3 c a l c u l a t e s t h e p o w e r d i s s i p a t i o n o f t h e d e v i c e :
W h e r e :
• V C C = d e v i c e s u p p l y v o l t a g e
• I C C = d e v i c e s u p p l y c u r r e n t
• V O U T = O U T n v o l t a g e w h e n d r i v i n g L E D c u r r e n t • I O L C = L E D c u r r e n t a d j u s t e d b y R I R E F r e s i s t o r
• N = n u m b e r o f O U T n d r i v i n g L E D a t t h e s a m e t i m e
• d P W M = d u t y r a t i o d e f i n e d b y G S v a l u e
1 8 S u b m i t D o c u m e n t a t i o n F e e d b a c k C o p y r i g h t © 2 0 0 8 , T e x a s I n s t r u m e n t s I n c o r p o r a t e d
P r o d u c t F o l d e r L i n k ( s ) : T L C 5 9 4 7
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PACKAGING INFORMATION
Orderable Device Status (1) PackageType
PackageDrawing
Pins PackageQty
Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)
TLC5947DAP ACTIVE HTSSOP DAP 32 46 Green (RoHS &
no Sb/Br)
CU NIPDAU Level-3-260C-168 HR
TLC5947DAPG4 ACTIVE HTSSOP DAP 32 46 Green (RoHS &no Sb/Br)
CU NIPDAU Level-3-260C-168 HR
TLC5947DAPR ACTIVE HTSSOP DAP 32 2000 Green (RoHS &no Sb/Br)
CU NIPDAU Level-3-260C-168 HR
TLC5947DAPRG4 ACTIVE HTSSOP DAP 32 2000 Green (RoHS &no Sb/Br)
CU NIPDAU Level-3-260C-168 HR
TLC5947RHBR ACTIVE QFN RHB 32 3000 Green (RoHS &no Sb/Br)
CU NIPDAU Level-2-260C-1 YEAR
TLC5947RHBRG4 ACTIVE QFN RHB 32 3000 Green (RoHS &no Sb/Br)
CU NIPDAU Level-2-260C-1 YEAR
TLC5947RHBT ACTIVE QFN RHB 32 250 Green (RoHS &no Sb/Br)
CU NIPDAU Level-2-260C-1 YEAR
TLC5947RHBTG4 ACTIVE QFN RHB 32 250 Green (RoHS &no Sb/Br)
CU NIPDAU Level-2-260C-1 YEAR
(1) The marketing status values are defined as follows:ACTIVE: Product device recommended for new designs.LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part ina new design.PREVIEW: Device has been announced but is not in production. Samples may or may not be available.OBSOLETE: TI has discontinued the production of the device.
(2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please checkhttp://www.ti.com/productcontent for the latest availability information and additional product content details.TBD: The Pb-Free/Green conversion plan has not been defined.Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirementsfor all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be solderedat high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die andpackage, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHScompatible) as defined above.Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flameretardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)
(3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak soldertemperature.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it isprovided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to theaccuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to takereasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis onincoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limitedinformation may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TIto Customer on an annual basis.
PACKAGE OPTION ADDENDUM
www.ti.com 13-Nov-2008
Addendum-Page 1
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TAPE AND REEL INFORMATION
*All dimensions are nominal
Device PackageType
PackageDrawing
Pins SPQ ReelDiameter
(mm)
ReelWidth
W1 (mm)
A0 (mm) B0 (mm) K0 (mm) P1(mm)
W(mm) Q
TLC5947DAPR HTSSOP DAP 32 2000 330.0 24.4 8.6 11.5 1.6 12.0 24.0
TLC5947RHBR QFN RHB 32 3000 330.0 12.4 5.3 5.3 1.5 8.0 12.0
TLC5947RHBT QFN RHB 32 250 180.0 12.4 5.3 5.3 1.5 8.0 12.0
PACKAGE MATERIALS INFORMATION
www.ti.com 6-Nov-2008
Pack Materials-Page 1
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*All dimensions are nominal
Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm)
TLC5947DAPR HTSSOP DAP 32 2000 346.0 346.0 41.0
TLC5947RHBR QFN RHB 32 3000 346.0 346.0 29.0
TLC5947RHBT QFN RHB 32 250 190.5 212.7 31.8
PACKAGE MATERIALS INFORMATION
www.ti.com 6-Nov-2008
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I M P O R T A N T N O T I C E
T e x a s I n s t r u m e n t s I n c o r p o r a t e d a n d i t s s u b s i d i a r i e s ( T I ) r e s e r v e t h e r i g h t t o m a k e c o r r e c t i o n s , m o d i f i c a t i o n s , e n h a n c e m e n t s , i m p r o v e m e n t s , a n d o t h e r c h a n g e s t o i t s p r o d u c t s a n d s e r v i c e s a t a n y t i m e a n d t o d i s c o n t i n u e a n y p r o d u c t o r s e r v i c e w i t h o u t n o t i c e . C u s t o m e r s s h o u l d o b t a i n t h e l a t e s t r e l e v a n t i n f o r m a t i o n b e f o r e p l a c i n g o r d e r s a n d s h o u l d v e r i f y t h a t s u c h i n f o r m a t i o n i s c u r r e n t a n d c o m p l e t e . A l l p r o d u c t s a r e s o l d s u b j e c t t o T I ’ s t e r m s a n d c o n d i t i o n s o f s a l e s u p p l i e d a t t h e t i m e o f o r d e r a c k n o w l e d g m e n t .
T I w a r r a n t s p e r f o r m a n c e o f i t s h a r d w a r e p r o d u c t s t o t h e s p e c i f i c a t i o n s a p p l i c a b l e a t t h e t i m e o f s a l e i n a c c o r d a n c e w i t h T I ’ s s t a n d a r d
w a r r a n t y . T e s t i n g a n d o t h e r q u a l i t y c o n t r o l t e c h n i q u e s a r e u s e d t o t h e e x t e n t T I d e e m s n e c e s s a r y t o s u p p o r t t h i s w a r r a n t y . E x c e p t w h e r e m a n d a t e d b y g o v e r n m e n t r e q u i r e m e n t s , t e s t i n g o f a l l p a r a m e t e r s o f e a c h p r o d u c t i s n o t n e c e s s a r i l y p e r f o r m e d .
T I a s s u m e s n o l i a b i l i t y f o r a p p l i c a t i o n s a s s i s t a n c e o r c u s t o m e r p r o d u c t d e s i g n . C u s t o m e r s a r e r e s p o n s i b l e f o r t h e i r p r o d u c t s a n d a p p l i c a t i o n s u s i n g T I c o m p o n e n t s . T o m i n i m i z e t h e r i s k s a s s o c i a t e d w i t h c u s t o m e r p r o d u c t s a n d a p p l i c a t i o n s , c u s t o m e r s s h o u l d p r o v i d e a d e q u a t e d e s i g n a n d o p e r a t i n g s a f e g u a r d s .
T I d o e s n o t w a r r a n t o r r e p r e s e n t t h a t a n y l i c e n s e , e i t h e r e x p r e s s o r i m p l i e d , i s g r a n t e d u n d e r a n y T I p a t e n t r i g h t , c o p y r i g h t , m a s k w o r k r i g h t , o r o t h e r T I i n t e l l e c t u a l p r o p e r t y r i g h t r e l a t i n g t o a n y c o m b i n a t i o n , m a c h i n e , o r p r o c e s s i n w h i c h T I p r o d u c t s o r s e r v i c e s a r e u s e d . I n f o r m a t i o n p u b l i s h e d b y T I r e g a r d i n g t h i r d - p a r t y p r o d u c t s o r s e r v i c e s d o e s n o t c o n s t i t u t e a l i c e n s e f r o m T I t o u s e s u c h p r o d u c t s o r s e r v i c e s o r a w a r r a n t y o r e n d o r s e m e n t t h e r e o f . U s e o f s u c h i n f o r m a t i o n m a y r e q u i r e a l i c e n s e f r o m a t h i r d p a r t y u n d e r t h e p a t e n t s o r o t h e r i n t e l l e c t u a l p r o p e r t y o f t h e t h i r d p a r t y , o r a l i c e n s e f r o m T I u n d e r t h e p a t e n t s o r o t h e r i n t e l l e c t u a l p r o p e r t y o f T I .
R e p r o d u c t i o n o f T I i n f o r m a t i o n i n T I d a t a b o o k s o r d a t a s h e e t s i s p e r m i s s i b l e o n l y i f r e p r o d u c t i o n i s w i t h o u t a l t e r a t i o n a n d i s a c c o m p a n i e d b y a l l a s s o c i a t e d w a r r a n t i e s , c o n d i t i o n s , l i m i t a t i o n s , a n d n o t i c e s . R e p r o d u c t i o n o f t h i s i n f o r m a t i o n w i t h a l t e r a t i o n i s a n u n f a i r a n d d e c e p t i v e b u s i n e s s p r a c t i c e . T I i s n o t r e s p o n s i b l e o r l i a b l e f o r s u c h a l t e r e d d o c u m e n t a t i o n . I n f o r m a t i o n o f t h i r d p a r t i e s m a y b e s u b j e c t t o a d d i t i o n a l r e s t r i c t i o n s .
R e s a l e o f T I p r o d u c t s o r s e r v i c e s w i t h s t a t e m e n t s d i f f e r e n t f r o m o r b e y o n d t h e p a r a m e t e r s s t a t e d b y T I f o r t h a t p r o d u c t o r s e r v i c e v o i d s a l l
e x p r e s s a n d a n y i m p l i e d w a r r a n t i e s f o r t h e a s s o c i a t e d T I p r o d u c t o r s e r v i c e a n d i s a n u n f a i r a n d d e c e p t i v e b u s i n e s s p r a c t i c e . T I i s n o t r e s p o n s i b l e o r l i a b l e f o r a n y s u c h s t a t e m e n t s .
T I p r o d u c t s a r e n o t a u t h o r i z e d f o r u s e i n s a f e t y - c r i t i c a l a p p l i c a t i o n s ( s u c h a s l i f e s u p p o r t ) w h e r e a f a i l u r e o f t h e T I p r o d u c t w o u l d r e a s o n a b l y b e e x p e c t e d t o c a u s e s e v e r e p e r s o n a l i n j u r y o r d e a t h , u n l e s s o f f i c e r s o f t h e p a r t i e s h a v e e x e c u t e d a n a g r e e m e n t s p e c i f i c a l l y g o v e r n i n g s u c h u s e . B u y e r s r e p r e s e n t t h a t t h e y h a v e a l l n e c e s s a r y e x p e r t i s e i n t h e s a f e t y a n d r e g u l a t o r y r a m i f i c a t i o n s o f t h e i r a p p l i c a t i o n s , a n d a c k n o w l e d g e a n d a g r e e t h a t t h e y a r e s o l e l y r e s p o n s i b l e f o r a l l l e g a l , r e g u l a t o r y a n d s a f e t y - r e l a t e d r e q u i r e m e n t s c o n c e r n i n g t h e i r p r o d u c t s a n d a n y u s e o f T I p r o d u c t s i n s u c h s a f e t y - c r i t i c a l a p p l i c a t i o n s , n o t w i t h s t a n d i n g a n y a p p l i c a t i o n s - r e l a t e d i n f o r m a t i o n o r s u p p o r t t h a t m a y b e p r o v i d e d b y T I . F u r t h e r , B u y e r s m u s t f u l l y i n d e m n i f y T I a n d i t s r e p r e s e n t a t i v e s a g a i n s t a n y d a m a g e s a r i s i n g o u t o f t h e u s e o f T I p r o d u c t s i n s u c h s a f e t y - c r i t i c a l a p p l i c a t i o n s .
T I p r o d u c t s a r e n e i t h e r d e s i g n e d n o r i n t e n d e d f o r u s e i n m i l i t a r y / a e r o s p a c e a p p l i c a t i o n s o r e n v i r o n m e n t s u n l e s s t h e T I p r o d u c t s a r e s p e c i f i c a l l y d e s i g n a t e d b y T I a s m i l i t a r y - g r a d e o r " e n h a n c e d p l a s t i c . " O n l y p r o d u c t s d e s i g n a t e d b y T I a s m i l i t a r y - g r a d e m e e t m i l i t a r y s p e c i f i c a t i o n s . B u y e r s a c k n o w l e d g e a n d a g r e e t h a t a n y s u c h u s e o f T I p r o d u c t s w h i c h T I h a s n o t d e s i g n a t e d a s m i l i t a r y - g r a d e i s s o l e l y a t t h e B u y e r ' s r i s k , a n d t h a t t h e y a r e s o l e l y r e s p o n s i b l e f o r c o m p l i a n c e w i t h a l l l e g a l a n d r e g u l a t o r y r e q u i r e m e n t s i n c o n n e c t i o n w i t h s u c h u s e .
T I p r o d u c t s a r e n e i t h e r d e s i g n e d n o r i n t e n d e d f o r u s e i n a u t o m o t i v e a p p l i c a t i o n s o r e n v i r o n m e n t s u n l e s s t h e s p e c i f i c T I p r o d u c t s a r e d e s i g n a t e d b y T I a s c o m p l i a n t w i t h I S O / T S 1 6 9 4 9 r e q u i r e m e n t s . B u y e r s a c k n o w l e d g e a n d a g r e e t h a t , i f t h e y u s e a n y n o n - d e s i g n a t e d p r o d u c t s i n a u t o m o t i v e a p p l i c a t i o n s , T I w i l l n o t b e r e s p o n s i b l e f o r a n y f a i l u r e t o m e e t s u c h r e q u i r e m e n t s .
F o l l o w i n g a r e U R L s w h e r e y o u c a n o b t a i n i n f o r m a t i o n o n o t h e r T e x a s I n s t r u m e n t s p r o d u c t s a n d a p p l i c a t i o n s o l u t i o n s :
P r o d u c t s A p p l i c a t i o n s A m p l i f i e r s a m p l i f i e r . t i . c o m A u d i o w w w . t i . c o m / a u d i o D a t a C o n v e r t e r s d a t a c o n v e r t e r . t i . c o m A u t o m o t i v e w w w . t i . c o m / a u t o m o t i v e D L P ® P r o d u c t s w w w . d l p . c o m B r o a d b a n d w w w . t i . c o m / b r o a d b a n d D S P d s p . t i . c o m D i g i t a l C o n t r o l w w w . t i . c o m / d i g i t a l c o n t r o l C l o c k s a n d T i m e r s w w w . t i . c o m / c l o c k s M e d i c a l w w w . t i . c o m / m e d i c a l I n t e r f a c e i n t e r f a c e . t i . c o m M i l i t a r y w w w . t i . c o m / m i l i t a r y L o g i c l o g i c . t i . c o m O p t i c a l N e t w o r k i n g w w w . t i . c o m / o p t i c a l n e t w o r k P o w e r M g m t p o w e r . t i . c o m S e c u r i t y w w w . t i . c o m / s e c u r i t y M i c r o c o n t r o l l e r s m i c r o c o n t r o l l e r . t i . c o m T e l e p h o n y w w w . t i . c o m / t e l e p h o n y R F I D w w w . t i - r f i d . c o m V i d e o & I m a g i n g w w w . t i . c o m / v i d e o R F / I F a n d Z i g B e e ® S o l u t i o n s w w w . t i . c o m / l p r f W i r e l e s s w w w . t i . c o m / w i r e l e s s
M a i l i n g A d d r e s s : T e x a s I n s t r u m e n t s , P o s t O f f i c e B o x 6 5 5 3 0 3 , D a l l a s , T e x a s 7 5 2 6 5 C o p y r i g h t © 2 0 0 9 , T e x a s I n s t r u m e n t s I n c o r p o r a t e d