BD18336NUF-M Constant-Current Driver IC ROHM BD18336NUF-M Constant-Current Driver IC is for driving automotive LED lamps, that can withstand up to 40V. The small-size package is suitable for use in socket LED driver applications. The BD18336NUF-M offers high reliability, with built-in functions for the thermal de-rating function, the LED open detection, the output short circuit protection, and SET pin short circuit protection. The ROHM BD18336NUF-M also includes the over-voltage mute function, the current bypass function at reduced-voltage, the output for fault flag function, and the input for output current OFF control signal.