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参数资料
| 型号： | PCA9625D/S911,518 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 18/33页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVER RGBA 32-SOIC |
| 标准包装： | 1,000 |
| 拓扑： | 开路漏极，PWM |
| 输出数： | 16 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光，LED 闪烁器 |
| 类型 - 次要： | RGBA |
| 频率： | 1MHz |
| 电源电压： | 2.3 V ~ 5.5 V |
| 输出电压： | 24V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 32-SO |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 85°C |
| 其它名称： | 935285147518 PCA9625D/S911-T PCA9625D/S911-T-ND |
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NXP Semiconductors
PCA9625
16-bit Fm+ I 2 C-bus 100 mA 24 V LED driver
SDA
SCL
MASTER
TRANSMITTER/
RECEIVER
SLAVE
RECEIVER
SLAVE
TRANSMITTER/
RECEIVER
MASTER
TRANSMITTER
MASTER
TRANSMITTER/
RECEIVER
I 2 C-BUS
MULTIPLEXER
SLAVE
002aaa966
Fig 9.
System con?guration
8.3 Acknowledge
The number of data bytes transferred between the START and the STOP conditions from
transmitter to receiver is not limited. Each byte of eight bits is followed by one
acknowledge bit. The acknowledge bit is a HIGH level put on the bus by the transmitter,
whereas the master generates an extra acknowledge related clock pulse.
A slave receiver which is addressed must generate an acknowledge after the reception of
each byte. Also a master must generate an acknowledge after the reception of each byte
that has been clocked out of the slave transmitter. The device that acknowledges has to
pull down the SDA line during the acknowledge clock pulse, so that the SDA line is stable
LOW during the HIGH period of the acknowledge related clock pulse; set-up time and hold
time must be taken into account.
A master receiver must signal an end of data to the transmitter by not generating an
acknowledge on the last byte that has been clocked out of the slave. In this event, the
transmitter must leave the data line HIGH to enable the master to generate a STOP
condition.
data output
by transmitter
not acknowledge
data output
by receiver
acknowledge
SCL from master
1
2
8
9
PCA9625_2
S
START
condition
Fig 10. Acknowledgement on the I 2 C-bus
clock pulse for
acknowledgement
002aaa987
? NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 02 — 15 January 2008
18 of 33
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| PCA9626BS,518 | IC LED DRIVER RGBA 48HVQFN |
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| PCA9633BS,118 | IC LED DRIVER RGBA 16-HVQFN |
| PCA9634D,118 | IC LED DRIVER RGBA 20-SOIC |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PCA9625D-T | 功能描述:LED照明驱动器 16BT I2C FMTP LED HVCON 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 |
| PCA9626B | 功能描述:LED照明驱动器 24bit Fm+ I2C-bus 100mA 40V LED driver 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 |
| PCA9626B,118 | 功能描述:LED照明驱动器 24bit Fm+ I2C-bus 100mA 40V LED driver 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 |
| PCA9626B118 | 制造商:NXP Semiconductors 功能描述:IC LED DRVR LQFP |
| PCA9626BS,518 | 功能描述:LED照明驱动器 24-bit Fm+ I2C-bus 100mA 40 V LEDdriver 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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