TLC5970 Overview
Description
The TLC5970 is a three-channel, constant-current sink driver with a buck dc/dc converter and a differential signal interface. Each channel has individually adjustable currents with 4096 PWM grayscale (GS) steps and 128 constant-current sink steps for dot correction (DC).
Key Features
- 23 3-Channel, Constant-Current Sink Output
- Current Capability: 150 mA per channel
- Grayscale (GS) Control with PWM: 12-bit (4096 steps)
- Dot Correction (DC): 7-bit (128 steps)
- Global Brightness Control (BC): 7-bit (128 steps)
- EEPROM for Dot Correction Storage
- Input Voltage: Up to 36 V
- LED Supply Voltage: Up to 17 V with Auto LED Anode Voltage Control
- Constant-Current Accuracy: – Channel-to-Channel = ±0.5% (typ) – Device-to-Device = ±3% (typ)
- Data Transfer Rate: 20 MHz
