參數(shù)資料
型號： PCA9551PW
廠商： NXP Semiconductors N.V.
元件分類： LED驅(qū)動器
英文描述： 8-bit I2C-bus LED driver with programmable blink rates
封裝： PCA9551BS<SOT629-1 (HVQFN16)|<<http://www.nxp.com/packages/SOT629-1.html<1<Always Pb-free,;PCA9551D<SOT109-1 (SO16)|<<http://www.nxp.com/packages/SOT109-1.html<1<we
文件頁數(shù)： 9/26頁
文件大?。?/td> 155K
代理商： PCA9551PW
PCA9551_8
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 08 — 31 July 2008
17 of 26
NXP Semiconductors
PCA9551
8-bit I2C-bus LED driver with programmable blink rates
12. Test information
Rise and fall times refer to VIL and VIH.
Fig 21. I2C-bus timing diagram
SCL
SDA
tHD;STA
tSU;DAT
tHD;DAT
tf
tBUF
tSU;STA
tLOW
tHIGH
tVD;ACK
002aab175
tSU;STO
protocol
START
condition
(S)
bit 7
MSB
(A7)
bit 6
(A6)
bit 0
(R/W)
acknowledge
(A)
STOP
condition
(P)
1/fSCL
tr
tVD;DAT
RL = load resistor for LEDn. RL for SDA and SCL > 1 k (3 mA or less current).
CL = load capacitance includes jig and probe capacitance.
RT = termination resistance should be equal to the output impedance Zo of the pulse generators.
Fig 22. Test circuitry for switching times
PULSE
GENERATOR
VO
CL
50 pF
RL
500
002aab880
RT
VI
VDD
DUT
VDD
open
VSS
相關(guān)PDF資料
PDF描述
PCA9552BS 16-bit I2C-bus LED driver with programmable blink rates
PCA9552D 16-bit I2C-bus LED driver with programmable blink rates
PCA9552PW 16-bit I2C-bus LED driver with programmable blink rates
PCA9553D 4-bit I2C-bus LED driver with programmable blink rates
PCB25 POWER CONNECTOR
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCA9551PW,112 功能描述:LED照明驅(qū)動器 I2C LED BLINKER 8BIT 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
PCA9551PW,118 功能描述:LED照明驅(qū)動器 8-BIT I2C FM OD LED BLK RST 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
PCA9551PW/G,118 制造商:NXP Semiconductors 功能描述:Tape & Reel
PCA9552 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:16-bit I2C-bus LED driver with programmable blink rates
PCA9552_06 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:16-bit I2C-bus LED driver with programmable blink rates
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