- 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：具有点校正与灰度 PWM 控制功能且无延迟的 16 通道 LED 驱动器
- 点击这里打开及下载TLC5945的技术文档资料
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The TLC5945 is a 16-channel, constant-current sink, LED driver. Each channel has an individually adjustable 4096-step grayscale PWM brightness control and a 64-step constant-current sink (dot correction). The dot correction adjusts the brightness variations between LED channels and other LED drivers. Both grayscale control and dot correction are accessible via a serial interface. A single external resistor sets the maximum current value of all 16 channels.
The TLC5945 features two error information circuits. The LED open detection (LOD) indicates a broken or disconnected LED at an output terminal. The thermal error flag (TEF) indicates an overtemperature condition.
- 16 Channels
- 12-bit (4096 Steps) Grayscale PWM Control
- Dot Correction
- 6 bit (64 Steps)
- Drive Capability (Constant-Current Sink)
- 0 mA to 80 mA
- LED Power Supply Voltage up to 17 V
- VCC = 3.0 V to 5.5 V
- Serial Data Interface
- 30-MHz Data Transfer Rate
- CMOS Level I/O
- Error Information
- LOD: LED Open Detection
- TEF: Thermal Error Flag
- APPLICATIONS
- Monocolor, Multicolor, Full-Color LED Displays
- LED Signboards
- Display Back-lighting
PowerPAD is a trademark of Texas Instruments.
- Features
- Dot Correction, Error Flag, Fault Detection, LED Open Detection, LED Short to Ground Detection, LED Short to VLED Detection, PWM LED Driver, Power Good
- Analog dimming steps
- 64
- Data transfer rate (Typ) (MHz)
- 30
- Ch to ch accuracy (Typ) (+/- %)
- 1
- Rating
- Catalog
- Operating temperature range (C)
- -40 to 85
TLC5945的完整型号有：TLC5945PWP、TLC5945PWPR、TLC5945RHBR，以下是这些产品的关键参数及官网采购报价：
TLC5945PWP，工作温度：-40 to 85，封装：HTSSOP (PWP)-28，包装数量MPQ：50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TLC5945PWP的批量USD价格：1.045（1000+）
TLC5945PWPR，工作温度：-40 to 85，封装：HTSSOP (PWP)-28，包装数量MPQ：2000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TLC5945PWPR的批量USD价格：.878（1000+）
TLC5945RHBR，工作温度：-40 to 85，封装：VQFN (RHB)-32，包装数量MPQ：3000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TLC5945RHBR的批量USD价格：.928（1000+）
TLC5945 IBIS Model
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