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TLC5940RHBRG4 from TI/BB,Texas Instruments

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TLC5940RHBRG4

Manufacturer: TI/BB

16-Channel LED Driver w/EEprom DOT Correction & Grayscale PWM Control 32-VQFN -40 to 85

Partnumber Manufacturer Quantity Availability
TLC5940RHBRG4 TI/BB 41 In Stock

Description and Introduction

16-Channel LED Driver w/EEprom DOT Correction & Grayscale PWM Control 32-VQFN -40 to 85 The TLC5940RHBRG4 is a 16-channel, constant-current sink LED driver from Texas Instruments (TI).  

### **Key Specifications:**  
- **Channels:** 16  
- **Output Current:** 5–120 mA per channel (adjustable via external resistor)  
- **Supply Voltage (VCC):** 3.0 V to 5.5 V  
- **Data Transfer Rate:** Up to 30 MHz  
- **Dot Correction:** 64-step (6-bit) adjustable brightness control  
- **Grayscale PWM Control:** 12-bit (4096 steps)  
- **Package:** 32-pin VQFN (RHB)  
- **Operating Temperature:** -40°C to +85°C  

### **Features:**  
- **Constant-Current Outputs:** Ensures uniform LED brightness.  
- **Serial Data Interface:** Supports daisy-chaining for multiple devices.  
- **Thermal Shutdown Protection:** Prevents overheating.  
- **Low Output Voltage Headroom:** Minimizes power dissipation.  
- **Dot Correction & Grayscale Control:** Allows precise brightness adjustment.  
- **Wide Operating Voltage:** Compatible with 3V–5.5V systems.  

### **Applications:**  
- LED displays (full-color, signage, backlighting)  
- RGB LED control  
- Industrial and automotive lighting  

This device is designed for high-performance LED driving with precise brightness and grayscale control.

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