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| 型号： | PCA9530D,112 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 7/24页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVER RGB 8-SOIC |
| 标准包装： | 100 |
| 拓扑： | 开路漏极，PWM |
| 输出数： | 2 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光，LED 闪烁器 |
| 类型 - 次要： | RGB |
| 频率： | 400kHz |
| 电源电压： | 2.3 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 85°C |
| 其它名称： | 935276296112 PCA9530D PCA9530D-ND |
NXP Semiconductors
PCA9530
2-bit I 2 C-bus LED dimmer
6.6 External RESET
A reset can be accomplished by holding the RESET pin LOW for a minimum of t w(rst) . The
PCA9530 registers and I 2 C-bus state machine will be held in their default states until the
RESET input is once again HIGH.
This input requires a pull-up resistor to V DD if no active connection is used.
7. Characteristics of the I 2 C-bus
The I 2 C-bus is for 2-way, 2-line communication between different ICs or modules. The two
lines are a serial data line (SDA) and a serial clock line (SCL). Both lines must be
connected to a positive supply via a pull-up resistor when connected to the output stages
of a device. Data transfer may be initiated only when the bus is not busy.
7.1 Bit transfer
One data bit is transferred during each clock pulse. The data on the SDA line must remain
stable during the HIGH period of the clock pulse as changes in the data line at this time
will be interpreted as control signals (see Figure 6 ).
SDA
SCL
data line
stable;
change
of data
Fig 6.
Bit transfer
data valid
allowed
mba607
7.1.1 START and STOP conditions
Both data and clock lines remain HIGH when the bus is not busy. A HIGH-to-LOW
transition of the data line while the clock is HIGH is de?ned as the START condition (S). A
LOW-to-HIGH transition of the data line while the clock is HIGH is de?ned as the STOP
condition (P) (see Figure 7 ).
SDA
SCL
S
START condition
P
STOP condition
mba608
PCA9530_3
Fig 7.
De?nition of START and STOP conditions
? NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 03 — 26 February 2009
7 of 24
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PCA9530DP | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:2-bit I2C LED dimmer |
| PCA9530DP,118 | 功能描述:LED照明驱动器 I2C LED DIMMER 2BIT 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 |
| PCA9530D-T | 功能描述:LED照明驱动器 2-BIT I2C FM OD LED DIM RST 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 |
| PCA9531 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:8-bit I2C-bus LED dimmer |
| PCA9531BS | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:8-bit I2C LED dimmer |
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