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| 型号： | PCA9633TK,118 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 18/43页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVER RGBA 8-HVSON |
| 标准包装： | 1 |
| 拓扑： | 开路漏极，PWM |
| 输出数： | 4 |
| 内部驱动器： | 两者兼有 |
| 类型 - 主要： | 背光，LED 闪烁器 |
| 类型 - 次要： | RGBA |
| 频率： | 25MHz |
| 电源电压： | 2.3 V ~ 5.5 V |
| 输出电压： | 5.5V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-VFDFN 裸露焊盘 |
| 供应商设备封装： | 8-HVSON |
| 包装： | 剪切带 (CT) |
| 工作温度： | -40°C ~ 85°C |
| 配用： | OM6276,598-ND - DEMO BOARD PWM LED 622-1004-ND - BOARD DEMO FOR PHILIPS PCA9633 |
| 其它名称： | 568-3239-1 |
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NXP Semiconductors
PCA9633
4-bit Fm+ I 2 C-bus LED driver
7.7 Using the PCA9633 with and without external drivers
The PCA9633 LED output drivers are 5.5 V only tolerant and can sink up to 25 mA at 5 V.
If the device needs to drive LEDs to a higher voltage and/or higher current, use of an
external driver is required.
? INVRT bit (MODE2 register) can be used to keep the LED PWM control ?rmware the
same (PWMx and GRPPWM values directly calculated from their respective formulas
and the LED output state determined by LEDOUT register value) independently of the
type of external driver. This bit allows LED output polarity inversion/non-inversion only
when OE = 0.
? OUTDRV bit (MODE2 register) allows minimizing the amount of external components
required to control the external driver (N-type or P-type device).
Table 17.
Use of INVRT and OUTDRV based on connection to the LEDn outputs when OE = 0 [1]
INVRT OUTDRV Direct connection to LEDn
External N-type driver
External P-type driver
Firmware
External
Firmware
External
Firmware
External
pull-up
resistor
pull-up
resistor
pull-up
resistor
0
0
formulas and LED
output state values
LED current formulas and LED required
limiting R [2]
output state
formulas and LED
output state values
required
apply [2]
values inverted
apply
0
1
formulas and LED
LED current formulas and LED not required formulas and LED
not
output state values
apply [2]
limiting R [2]
output state
values inverted
output state values required [4]
apply [4]
1
0
formulas and LED
output state values
LED current formulas and LED required
limiting R
output state
formulas and LED
output state values
required
inverted
values apply
inverted
1
1
formulas and LED
output state values
inverted
LED current formulas and LED not
required [3]
limiting R
output state
[3]
values apply
formulas and LED
output state values
inverted
not required
[1]
[2]
[3]
[4]
OE applies to 16-pin version only. When OE = 1, LED output state is controlled only by OUTNE[1:0] bits (MODE2 register).
Correct con?guration when LEDs directly connected to the LEDn outputs (connection to V DD through current limiting resistor).
Optimum con?guration when external N-type (NPN, NMOS) driver used.
Optimum con?guration when external P-type (PNP, PMOS) driver used.
PCA9633_5
? NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 05 — 25 July 2008
18 of 43
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PCA9633TK-T | 功能描述:LED照明驱动器 4-BIT I2C FM+ TP LED CON 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 |
| PCA9634BS,118 | 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 |
| PCA9634BS-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 |
| PCA9634D,112 | 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 |
| PCA9634D,118 | 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 |
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