M08898中文资料4-channel 2A LED/Laser Driver for Panel Based Projectors数据手册MACOM规格书

描述 Description

The M08898 is a high efficiency integrated LED/laser driver for LCD/LCoS/TI DLP® projection displays. Each of the four channels may drive up to 2 A. Color mixing is register selectable and the correct LED drive current is automatically loaded and the DC-DC converter can be programmed to always adjust its output for the LED with the highest forward voltage. A single DC-DC converter can be used to supply all 4 outputs or as many as 4 external DC-DC converters can be controlled to generate the optimal LED bias voltages. Safety Circuitry features include over-temperature and over-voltage monitoring. The M08898 features also fully programmable PWM current generator. The part is programmed via I2C and a standalone EEPROM port allows automatic loading of internal registers with minimal microcontroller overhead. NOTE: DLP is a registered trademark of Texas Instruments

特性 Features

·Four 2 A common anode LED/laser drivers
·Li Battery and 5V adapter operation
·External EEPROM port
·High speed I2C interface
·Integrated programmable PWM current generator
·Automatic Safety Circuitry—Over Voltage, Over Temperature, LED open circuit detect
·Control circuitry for up to 4 different external DC-DC Converters to optimize efficiency
·Integrated 12.5 Msps 10-bit current DACs with 6-bit programmable full scale for output current setting
·Programmable Color Mixing allows all LEDs to be on simultaneously

应用 Application

·Head-up and Head mounted displays
·High current laser/LED systems
·LCD/LCoS/DLP portable and pico projectors
·Multicolor LED/laser displays