參數(shù)資料
型號(hào): PCA9551
廠商: NXP Semiconductors N.V.
元件分類(lèi): LED驅(qū)動(dòng)器
英文描述: 8-bit I2C LED driver with programmable blink rates
中文描述: 8位I2C LED與可編程閃爍率司機(jī)
文件頁(yè)數(shù): 15/21頁(yè)
文件大?。?/td> 161K
代理商: PCA9551
Philips Semiconductors
Product data sheet
PCA9551
8-bit I
2
C LED driver with programmable blink rates
2004 Oct 01
15
SDA
SCL
SW02310
t
RESET
t
RESET
50%
30%
50%
50%
50%
t
REC
t
W
RESET
LEDx
LED OFF
ACK OR READ CYCLE
START
Figure 18. Definition of RESET timing
t
SP
t
BUF
t
HD;STA
P
P
S
t
LOW
t
R
t
HD;DAT
t
F
t
HIGH
t
SU;DAT
t
SU;STA
Sr
t
HD;STA
t
SU;STO
SDA
SCL
SU00645
Figure 19. Definition of timing
PROTOCOL
SCL
SDA
tHD;STA
tSU;DAT
tHD;DAT
tVD;DAT
tf
r
t
tBUF
tSU;STA
tLOW
tHIGH
1 / fSCL
START
CONDITION
(S)
BIT 7
MSB
(A7)
BIT 6
(A6)
tVD;ACK
SW02333
BIT 7
(D1)
STOP
CONDITION
(P)
tSU;STO
BIT 8
(D0)
ACKNOWLEDGE
(A)
Figure 20. I
2
C-bus timing diagram; rise and fall times refer to V
IL
and V
IH
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PCA9551BS118 制造商:Rochester Electronics LLC 功能描述: 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述:
PCA9551BSHP 功能描述:LED照明驅(qū)動(dòng)器 RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N
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