TLC5924数据手册集成电路（IC）的LED驱动器规格书PDF

描述 Description

The TLC5924 is a 16 channel constant–current sink driver. Each channel has a On/Off state and a 128–step adjustable constant current sink (dot correction). The dot correction adjusts the brightness variations between LED, LED channels and other LED drivers. Both dot correction and On/Off state are accessible via a serial data interface. A single external resistor sets the maximum current of all 16 channels. Each constant–current output has a pre–charge FET that enables an improvement in image quality of the dynamic–drive LED display. The TLC5924 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 over–temperature condition.

特性 Features

• 16 Channels
• Drive Capability
• 0 to 80 mA (Constant–Current Sink)

• Constant Current Accuracy: ±1% (typical)
• Serial Data Interface
• Fast Switching Output: Tr / Tf = 10ns (typical)
• CMOS Level Input/Output
• 30 MHz Data Transfer Rate
• VCC = 3.0 V to 5.5 V
• Operating Temperature = –40°C to 85°C
• LED Supply Voltage up to 17 V
• 32–pin HTSSOP(PowerPAD) and QFN Packages
• Dot Correction
• 7 bit (128 Steps)
• individual adjustable for each channel

• Controlled In–Rush Current
• Pre–Charge FET
• Error Information
• LOD: LED Open Detection
• TEF: Thermal Error Flag

• APPLICATIONS
• Monocolor, Multicolor, Fullcolor LED Display
• Monocolor, Multicolor LED Signboard
• Display Backlighting
• Multicolor LED lighting applications

PowerPAD is a trademark of Texas Instruments.