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TLC5940QRHBREP from TI,Texas Instruments

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TLC5940QRHBREP

Manufacturer: TI

Enhanced Product 16 Channel LED Driver With DOT Correction and Grayscale PWM Control 32-VQFN -40 to 125

Partnumber Manufacturer Quantity Availability
TLC5940QRHBREP TI 29 In Stock

Description and Introduction

Enhanced Product 16 Channel LED Driver With DOT Correction and Grayscale PWM Control 32-VQFN -40 to 125 The TLC5940QRHBREP is a 16-channel, constant-current sink LED driver manufactured by Texas Instruments (TI). Below are the key specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Channels:** 16  
- **Output Current:** 5–120 mA per channel (adjustable via external resistor)  
- **Supply Voltage (VCC):** 3.0 V to 5.5 V  
- **Logic Voltage (VLOGIC):** 3.0 V to 5.5 V  
- **Dot Correction:** 64-step (6-bit) adjustable brightness control per channel  
- **PWM Grayscale Control:** 4096-step (12-bit)  
- **Data Transfer Rate:** Up to 30 MHz  
- **Package:** 32-pin VQFN (5 mm × 5 mm)  
- **Operating Temperature Range:** -40°C to +125°C  

### **Descriptions:**  
- The TLC5940QRHBREP is designed for LED driving applications requiring high precision and brightness control.  
- It features **dot correction** for current accuracy and **PWM grayscale control** for smooth dimming.  
- Supports **daisy-chaining** for driving multiple devices with a single data line.  
- Includes thermal shutdown and open-circuit detection for protection.  

### **Features:**  
- **Constant-Current Sink Outputs:** Ensures uniform LED brightness.  
- **High Grayscale Resolution:** 12-bit PWM (4096 steps) for smooth dimming.  
- **Dot Correction:** Compensates for LED forward voltage variations.  
- **Serial Interface:** Compatible with SPI and other microcontrollers.  
- **Thermal Shutdown:** Protects the device from overheating.  
- **Enhanced Product (EP) Version:** Extended reliability for harsh environments.  

This information is strictly based on the manufacturer's datasheet. Let me know if you need further details.

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