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| 型号： | PCA9633TK,118 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 8/43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. Functional description
Refer to Figure 1 “Block diagram of PCA9633” .
7.1 Device addresses
Following a START condition, the bus master must output the address of the slave it is
accessing.
There are a maximum of 128 possible programmable addresses using the 7 hardware
address pins. Two of these addresses, Software Reset and LED All Call, cannot be used
because their default power-up state is ON, leaving a maximum of 126 addresses. Using
other reserved addresses, as well as any other subcall address, will reduce the total
number of possible addresses even further.
7.1.1 Regular I 2 C-bus slave address
The I 2 C-bus slave address of the PCA9633 is shown in Figure 8 . To conserve power, no
internal pull-up resistors are incorporated on the hardware selectable address pins and
they must be pulled HIGH or LOW (10-pin and 16-pin versions).
Remark: Using reserved I 2 C-bus addresses will interfere with other devices, but only if the
devices are on the bus and/or the bus will be open to other I 2 C-bus systems at some later
date. In a closed system where the designer controls the address assignment these
addresses can be used since the PCA9633 treats them like any other address. The
LED All Call, Software Reset and PCA9564 or PCA9665 slave address (if on the bus) can
never be used for individual device addresses.
? PCA9633 LED All Call address (1110 000) and Software Reset (0000 0110) which
are active on start-up
? PCA9564 (0000 000) or PCA9665 (1110 000) slave address which is active on
start-up
?
?
?
?
‘reserved for future use’ I 2 C-bus addresses (0000 011, 1111 1XX)
slave devices that use the 10-bit addressing scheme (1111 0XX)
slave devices that are designed to respond to the General Call address (0000 000)
High-speed mode (Hs-mode) master code (0000 1XX).
slave address
slave address
1
1
0
0
0
A1
A0 R/W
slave address
1
1
0
0
0
1
0
R/W
fixed
hardware
A6
A5
A4
A3
A2
A1
A0 R/W
selectable
fixed
a. 8-pin version
002aab318
b. 10-pin version
002aab295
hardware selectable
c. 16-pin version
002aab319
Fig 8.
PCA9633_5
Slave address
The last bit of the address byte de?nes the operation to be performed. When set to logic 1
a read is selected, while a logic 0 selects a write operation.
? NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 05 — 25 July 2008
8 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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