BD8xAxxEFV-M 4-Ch/6-Ch LED Drivers

ROHM's BD83A04EFV-M, BD83A14EFV-M, and BD82A26MUF-M 4-ch/6-ch LED driver ICs are designed for medium- to large-sized automotive displays in car infotainment and instrument clusters. Conventional LED drivers consume relatively large amounts of power, making them susceptible to flickering during PWM dimming. In contrast, ROHM’s LED drivers for LCD backlights combine proprietary low power technology with seamless PWM dimming, eliminating flickering when changing display brightness from low to high.

These products leverage proprietary low power consumption technology to reduce losses in LED driver current control circuits. The result is 20% lower overall IC power consumption than conventional products under typical conditions (80 mA/ch LED circuit current, 12 V power supply). This contributes to lower power consumption in medium- to large-sized automotive displays where power consumption is an issue.

All models are equipped with both DC and PWM dimming to meet a wide range of requirements. There is no longer a need to switch current feedback mode for low/high brightness change with ROHM’s original seamless PWM dimming technology, so the flickering that occurs with general PWM dimming is reduced, improving system reliability.