MBI5155

Macroblock Preliminary Datasheet MBI5155 16-Channel Low Knee Voltage PWM Constant Current LED Driver for Low Voltage Power Supply, 1:32 Time-Multiplexing Applications Features  3V-4.2V supply voltage  Design optimization  16 constant current output channels  Constant output current range: - 0.5~10mA @ 4.2V supply voltage - 0.5~5mA @ 3.3V supply voltage  Low knee voltage of output channels VDS=0.3V @ IOUT = 10mA, VDD=4.2V  Excellent output current accuracy: Between channels:：<±2.5％(Max.) Between ICs: <±3％(Max.)  Built-in 16K-bit SRAM to support time-multiplexing for 1 ~ 32 scans  16-bit/14-bit /13-bit color depth PWM control to improve visual refresh rate  6bit current gain，12.5%~200%  LED failure isolation -LED failure induced cross elimination  LED open detection  Integrating ghost elimination circuit  GCLK multiplier technology  Maximum DCLK frequency: 30MHz  Package MSL Level : 3 Macroblock, Inc. 2015 Floor 6-4, No.18, Pu-Ting Rd., Hsinchu, Taiwan 30077, ROC. TEL: +886-3-579-0068, FAX: +886-3-579-7534 E-mail: [email protected] - 1 - April 2015, V1.00 MBI5155 16-Channel Low Knee Voltage PWM Constant Current LED Driver for Low Voltage Power Supply, 1:32 Time-multiplexing Applications Product Description MBI5155 is designed for LED video applications using internal Pulse Width Modulation (PWM) control with selectable 16-bit / 14-bit / 13-bit color depth, and the circuit characteristics is optimized for applications with 4.2V supply voltage. MBI5155 ...