TLC5927

TLC5926, TLC5927 www.ti.com ....................................................................................................................................................................................................... SLVS677 – JULY 2008 16-CHANNEL CONSTANT-CURRENT LED SINK DRIVERS FEATURES 1 2 16 Constant-Current Output Channels Output Current Adjusted By External Resistor Constant Output Current Range: 5 mA to 120 mA Constant Output Current Invariant to Load Voltage Change Open-Load, Shorted-Load and Overtemperature Detection 256-Step Programmable Global Current Gain Excellent Output-Current Accuracy: – Between Channels: < ±6% (Max), 10 mA to 50 mA – Between ICs: < ±6% (Max), 10 mA to 50 mA 30-MHz Clock Frequency Schmitt-Trigger Input 3.3-V or 5-V Supply Voltage Thermal Shutdown for Overtemperature Protection ESD Performance: 2-kV HBM APPLICATIONS General LED Lighting Applications LED Display Systems LED Signage Automotive LED Lighting White Goods DESCRIPTION/ORDERING INFORMATION The TLC5926/TLC5927 is designed for LED displays and LED lighting applications with open-load, shorted-load, and overtemperature detection, and constant-current control. The TLC5926/TLC5927 contains a 16-bit shift register and data latches, which convert serial input data into parallel output format. At the TLC5926/TLC5927 output stage, 16 regulated-current ports provide uniform and constant current for driving LEDs within a wide range of VF (Forward V...