TLC59581 Overview
Description
The TLC59581/82are 48-channel constant-current sink drivers. Each channel has an individuallyadjustable, 65536-step, pulse width modulation (PWM) grayscale (GS) brightness control.
Key Features
- 1 48 Constant-Current Sink Output Channels
- Sink Current Capability with Max BC/CC data: – 25 mA at 5 VCC – 20 mA at 3.3 VCC
- Global Brightness Control (BC): 3-Bit (8-Step)
- Color Brightness Control (CC) for Each Color Group: 9-Bit (512-Step), Three Groups
- LED Power Supply Voltage Up To 10 V
- VCC = 3.0 V to 5.5 V
- Constant Current Accuracy – Channel-to-Channel = ±1%(Typ), ±3%(Max) – Device-to-Device = ±1%(Typ), ±2%(Max)
- Data Transfer Rate: 25 MHz
- Gray Scale Clock: 33 MHz
- Pre-Charge FET to Avoid Ghosting Phenomenon