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| 型号： | PCA9624BS,118 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 1/37页 |
| 文件大小： | 0K |
| 描述： | IC LED DVR 8BIT 40V HVQFN24 |
| 产品培训模块： | I²C Bus Fundamentals |
| 标准包装： | 1 |
| 拓扑： | 开路漏极，PWM |
| 输出数： | 8 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光，LED 闪烁器 |
| 类型 - 次要： | RGBA |
| 频率： | 100kHz ~ 1MHz |
| 电源电压： | 2.3 V ~ 5.5 V |
| 输出电压： | 40V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-VFQFN 裸露焊盘 |
| 供应商设备封装： | 24-HVQFN（4x4） |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 85°C |
| 其它名称： | 568-5304-6 |
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PCA9624
8-bit Fm+ I 2 C-bus 100 mA 40 V LED driver
Rev. 3 — 6 September 2012
Product data sheet
1. General description
The PCA9624 is an I 2 C-bus controlled 8-bit LED driver optimized for voltage switch
dimming and blinking 100 mA Red/Green/Blue/Amber (RGBA) LEDs. Each LED output
has its own 8-bit resolution (256 steps) fixed frequency individual PWM controller that
operates at 97 kHz with a duty cycle that is adjustable from 0 % to 99.6 % to allow the
LED to be set to a specific brightness value. An additional 8-bit resolution (256 steps)
group PWM controller has both a fixed frequency of 190 Hz and an adjustable frequency
between 24 Hz to once every 10.73 seconds with a duty cycle that is adjustable from 0 %
to 99.6 % that is used to either dim or blink all LEDs with the same value.
Each LED output can be off, on (no PWM control), set at its individual PWM controller
value or at both individual and group PWM controller values. The PCA9624 operates with
a supply voltage range of 2.3 V to 5.5 V and the 100 mA open-drain outputs allow
voltages up to 40 V.
The PCA9624 is one of the first LED controller devices in a new Fast-mode Plus (Fm+)
family. Fm+ devices offer higher frequency (up to 1 MHz) and more densely populated
bus operation (up to 4000 pF).
The active LOW Output Enable input pin (OE) blinks all the LED outputs and can be used
to externally PWM the outputs, which is useful when multiple devices need to be dimmed
or blinked together without using software control.
Software programmable LED Group and three Sub Call I 2 C-bus addresses allow all or
defined groups of PCA9624 devices to respond to a common I 2 C-bus address, allowing
for example, all red LEDs to be turned on or off at the same time or marquee chasing
effect, thus minimizing I 2 C-bus commands. Seven hardware address pins allow up to
126 devices on the same bus.
The Software Reset (SWRST) Call allows the master to perform a reset of the PCA9624
through the I 2 C-bus, identical to the Power-On Reset (POR) that initializes the registers to
their default state causing the outputs to be set HIGH (LED off). This allows an easy and
quick way to reconfigure all device registers to the same condition.
The PCA9624 and PCA9634 software is identical and if the PCA9624 on-chip 100 mA
NAND FETs do not provide enough current or voltage to drive the LEDs, then the
PCA9634 with larger current or higher voltage external drivers can be used.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PCA9624PW | 制造商:NXP Semiconductors 功能描述:IC LED DRIVER RGBA 24-TSSOP 制造商:NXP Semiconductors 功能描述:IC, LED DRIVER, RGBA, 24-TSSOP |
| PCA9624PW,112 | 功能描述:LED照明驱动器 8bit 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 |
| PCA9624PW,118 | 功能描述:LED照明驱动器 100 mA 40 V 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 |
| PCA9624PW112 | 制造商:NXP Semiconductors 功能描述:IC LED DRVR TSSOP |
| PCA9625D | 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 |
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