TLC5925_TI 具有 3.3-5.5V 电源电压的低功耗 16 通道恒流 LED 灌流驱动器

TLC5925的基本参数

制造厂商：TI
产品类别：电源管理
技术类目：LED 驱动器 - LED 显示驱动器
功能描述：具有 3.3-5.5V 电源电压的低功耗 16 通道恒流 LED 灌流驱动器
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TLC5925的产品详情：

The TLC5925 is designed for LED displays and LED lighting applications. The TLC5925 contains a 16-bit shift register and data latches, which convert serial input data into parallel output format. At the TLC5925 output stage, 16 regulated-current ports provide uniform and constant current for driving LEDs within a wide range of VF variations. Used in system design for LED display applications (such as, LED panels), the TLC5925 provides great flexibility and device performance. Users can adjust the output current from 3 mA to 45 mA through an external resistor, R_ext, which gives flexibility in controlling the light intensity of LEDs. TLC5925 is designed for up to 17 V at the output port. The high clock frequency, 30 MHz, also satisfies the system requirements of high-volume data transmission.

The serial data is transferred into TLC5925 via SDI, shifted in the shift register, and transferred out via SDO. LE can latch the serial data in the shift register to the output latch. OE enables the output drivers to sink current.

TLC5925的优势和特性：

16 Constant-Current Output Channels
Constant Output Current Invariant to Load Voltage Change
Excellent Output Current Accuracy:
- Between Channels: < ±4% (Max)
- Between ICs: < ±6% (Max)
Constant Output Current Range: 3mA to 45mA
Output Current Adjusted By External Resistor
Fast Response of Output Current, OE(Min): 100ns
30-MHz Clock Frequency
Schmitt-Trigger Inputs
3.3-V to 5-V Supply Voltage
Thermal Shutdown for Overtemperature Protection
ESD Performance: 1-kV HBM

TLC5925的参数（英文）：

Features
ON/OFF LED Driver, Thermal Shutdown
Data transfer rate (Typ) (MHz)
30
Ch to ch accuracy (Typ) (+/- %)
4
Rating
Catalog
Operating temperature range (C)
-40 to 125

TLC5925具体的完整产品型号参数及价格（美元）：

TLC5925的完整型号有：TLC5925IDBQR、TLC5925IDWR、TLC5925IPWR，以下是这些产品的关键参数及官网采购报价：

TLC5925IDBQR，工作温度：-40 to 125，封装：SSOP (DBQ)-24，包装数量MPQ：2500个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网TLC5925IDBQR的批量USD价格：0.475（1000+）

TLC5925IDWR，工作温度：-40 to 125，封装：SOIC (DW)-24，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网TLC5925IDWR的批量USD价格：0.475（1000+）

TLC5925IPWR，工作温度：-40 to 125，封装：TSSOP (PW)-24，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网TLC5925IPWR的批量USD价格：0.475（1000+）

TLC5925的评估套件：

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TLC5925的电路图解：

TLC5925的评估套件：