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MBI5155 - 16-Channel Low Knee Voltage PWM Constant Current LED Driver

General 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.

Key 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::.

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Datasheet Details

Part number MBI5155
Manufacturer Macroblock
File Size 557.26 KB
Description 16-Channel Low Knee Voltage PWM Constant Current LED Driver
Datasheet download datasheet MBI5155 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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.