ROHM’s Automotive-Grade Backlight LED Driver Optimized for LCD Panels

September 20, 2019 Alix Paultre

ROHM’s BD81A76EFV-M driver IC for LEDs is optimized for LCD backlighting in instrument clusters, center information displays, and car navigation. The IC provides six channels of output at 120mA per channel. A buck-boost control ensures compatibility with both small and large LCDs using a single driver.

Key features include:

1. Original buck-boost control supports a common control board design

2. Six-channel output enables compatibility with the latest 12” displays

3. 10µA standby current minimizes power consumption

4. Spread spectrum function ensures high reliability, low noise operation

The BD81A76EFV-M integrates a spread spectrum function as a countermeasure against EMI that allows it to clear CISPR25 noise requirements for vehicle applications.

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