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MBI5155

Macroblock
Part Number MBI5155
Manufacturer Macroblock
Description 16-Channel Low Knee Voltage PWM Constant Current LED Driver
Published Mar 11, 2016
Detailed Description Macroblock Preliminary Datasheet MBI5155 16-Channel Low Knee Voltage PWM Constant Current LED Driver for Low Voltage ...
Datasheet PDF File MBI5155 PDF File

MBI5155
MBI5155

Overview
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: info@mblock.
com.
tw - 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 features a 16-bit shift register which converts serial input data into each pixel’s gray scale of the output port.
Sixteen regulated current ports are designed to provide uniform and constant current sinks for driving LEDs with a wide range of VF variations.
The output current can be preset through an external resistor.
The innovative architecture with embedded SRAM is designed to support up to 1:16 time-multiplexing applications.
Users only need to send the whole frame data once and to store in...


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