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ROHM unveils ultra-compact LED driver for automotive LED lamps

ROHM has developed an ultra-compact linear LED Driver suitable for automotive socket type LED lamp applications such as rear lamps, position lamps or DRLs (Daylight Running Lamps).

The BD18336NUF-M's monolithic design ensures stable lighting during battery voltage drops down to 9V. The configurable current bypass function prevents LEDs turning OFF and keeps a minimum brightness at all times contributing to higher driving safety. An ultra-compact 3.0mm² package reduces the mounting area by 30% compared to more conventional solutions using external circuitry, while providing a high current output of 600mA.

Heat generated by the LEDs is suppressed by an integrated current derating function. The thermal adjustable output current limits the heat generated by the LEDs, increasing their lifetime, which makes the LED Driver ideal for white as well as for red and yellow LEDs.

The BD18336NUF-M is suitable for ultra-compact designs, such as exchangeable socket type or modular lamps, providing superior performance for the most demanding environment.

Neil Tyler

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