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| 型号： | PCA9633DP2,118 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 1/43页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVER RGBA 10-TSSOP |
| 产品培训模块： | LED Controllers I²C Bus Fundamentals |
| 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： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-TSSOP |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 85°C |
| 产品目录页面： | 845 (CN2011-ZH PDF) |
| 配用： | OM6276,598-ND - DEMO BOARD PWM LED 622-1004-ND - BOARD DEMO FOR PHILIPS PCA9633 |
| 其它名称： | 568-3237-6 |
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PCA9633
4-bit Fm+ I 2 C-bus LED driver
Rev. 05 — 25 July 2008
Product data sheet
1. General description
The PCA9633 is an I 2 C-bus controlled 4-bit LED driver optimized for
Red/Green/Blue/Amber (RGBA) color mixing applications. Each LED output has its own
8-bit resolution (256 steps) ?xed 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 speci?c brightness value. A ?fth 8-bit resolution (256 steps) Group PWM controller
has both a ?xed 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 LED output driver is
programmed to be either open-drain with a 25 mA current sink capability at 5 V or totem
pole with a 25 mA sink, 10 mA source capability at 5 V. The PCA9633 operates with a
supply voltage range of 2.3 V to 5.5 V and the outputs are 5.5 V tolerant. LEDs can be
directly connected to the LED output (up to 25 mA, 5.5 V) or controlled with external
drivers and a minimum amount of discrete components for larger current or higher voltage
LEDs.
The PCA9633 is one of the ?rst 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) allows asynchronous control of the LED
outputs and can be used to set all the outputs to a de?ned I 2 C-bus programmable logic
state. The OE can also be used to externally PWM the outputs, which is useful when
multiple devices need to be dimmed or blinked together using software control. This
feature is available for the 16-pin version only.
Software programmable LED Group and three Sub Call I 2 C addresses allow all or de?ned
groups of PCA9633 devices to respond to a common I 2 C 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.
The PCA9633 is offered with 3 different I 2 C-bus address options: ?xed I 2 C-bus address
(8-pin version), 4 different I 2 C-bus addresses from 2 programmable address pins (10-pin
version), and 126 different I 2 C-bus addresses from 7 programmable address pins (16-pin
version). They are software identical except for the different number of address
combinations.
The Software Reset (SWRST) Call allows the master to perform a reset of the PCA9633
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 recon?gure all device registers to the same condition.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PCA9633PW | 功能描述:LED照明驱动器 LED DRVR 4BIT I2C 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 |
| PCA9633PW,112 | 功能描述:LED照明驱动器 LED DRVR 4BIT I2C 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 |
| PCA9633PW,118 | 功能描述:LED照明驱动器 4BIT 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 |
| PCA9633TK,118 | 功能描述:LED照明驱动器 4-BIT 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 |
| 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 |
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