NXP Semiconductors
PCA9634
8-bit Fm+ I 2 C-bus LED driver
Table 15. Output transistors based on LEDOUT registers, INVRT and OUTDRV bits when OE = 0
When OE = 1, LED output state is controlled only by OUTNE[1:0] bits (MODE2 register).
LEDOUT
INVRT
OUTDRV
Upper transistor Lower transistor
LEDn state
(V DD to LEDn)
(LEDn to V SS )
00
LED driver off
01
LED driver on
10
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
off
on
off
off
off
off
off
on
off
off
off
on
on
on
on
off
off
Individual PWM
high-Z [1]
V DD
V SS
V SS
V SS
V SS
high-Z [1]
V DD
V SS or high-Z [1] = PWMx value
Individual
(non-inverted)
brightness
0
1
Individual PWM
Individual PWM
V SS or V DD = PWMx value
control
(non-inverted)
(non-inverted)
1
0
off
Individual PWM
high-Z [1] or V SS = 1 ? PWMx value
(inverted)
1
1
Individual PWM
Individual PWM
V DD or V SS = 1 ? PWMx value
(inverted)
(inverted)
11
Individual +
Group
0
0
off
Individual + Group V SS or high-Z [1] = PWMx or GRPPWM
values
PWM
(non-inverted)
dimming/blinking 0
1
Individual PWM
Individual PWM
V SS or V DD = PWMx or GRPPWM values
(non-inverted)
(non-inverted)
1
0
off
Individual + Group high-Z [1] or V SS = (1 ? PWMx) or
PWM (inverted) (1 ? GRPPWM) values
1
1
Individual PWM
(inverted)
Individual PWM
(inverted)
V DD or V SS = (1 ? PWMx) or
(1 ? GRPPWM) values
[1]
External pull-up or LED current limiting resistor connects LEDn to V DD .
PCA9634_6
? NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 06 — 12 September 2008
18 of 38
相关PDF资料
PCA9635PW/S911,118 IC LED DRIVER RGBA 28-TSSOP
PCA9685PW,118 IC LED DRIVER RGBA 28-TSSOP
PCA9922PW,118 IC LED DRIVER LINEAR 16-TSSOP
PCA9955TW,118 IC LED DRVR CONST CURR
PCF85102C-2P/03,11 IC EEPROM 2KBIT 100KHZ 8DIP
PCF85103C-2T/00,11 IC EEPROM 2KBIT 100KHZ 8SOIC
PCF8570T/F5,512 IC SRAM 2KBIT 100KHZ 8SOIC
PCF8582C-2T/03,118 IC EEPROM 2KBIT 100KHZ 8SOIC
相关代理商/技术参数
PCA9634D-T 功能描述:LED照明驱动器 8BIT I2C FM+ TP LED CON RST OE RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
PCA9634PW 功能描述:LED照明驱动器 8BIT I2C FM+ TP LED CON RST OE RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
PCA9634PW,112 功能描述:LED照明驱动器 8BIT I2C FM+ TP LED RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
PCA9634PW,118 功能描述:LED照明驱动器 8BIT I2C FM+ TP LED CON RST OE RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
PCA9634PW,118-CUT TAPE 制造商:NXP 功能描述:PCA9634 Series 5.5 V 400 kHz SMT 8 bit Fm+I2C Bus LED Driver - TSSOP-20
PCA9634PW/S910,118 功能描述:LED照明驱动器 8BIT I2C FM+ TP LED CON RST OE RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
PCA9634PW/S910-T 功能描述:LED照明驱动器 8BIT I2C FM+ TP LED CON RST OE RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
PCA9634PW/S911,118 功能描述:LED照明驱动器 8-BIT I2C FM+TP LED CON RST OE RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N