General Description
The BD18326NUF-M is a constant current driver IC for driving automotive LED lamp, that can withstand up to 40 V. Small-size package is suitable for use in socket LED driver applications.
The BD18326NUF-M offers high reliability with built-in functions for the thermal de-rating function, the LED open detection, the output short circuit protection, the SET pin short circuit protection, 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.

FEATUREs
◾ AEC-Q100 Qualified(Note 1)
◾ Functional Safety Supportive Automotive Products
◾ CR Timer for PWM Dimming
◾ Thermal De-rating Function (THD)
◾ LED Open Detection
◾ Output Short Circuit Protection (OUT SCP)
◾ SET Pin Short Circuit Protection (SET SCP)
◾ Over Voltage Mute Function (OVM)
◾ Current Bypass Function at Reduced-Voltage
◾ Disable LED Open Detection Function
   at Reduced-Voltage (OPM)
◾ Output for Fault Flag / Input for Output Current OFF
   Control Signal (PBUS)

APPLICATIONs
◾ Automotive LED Exterior Lamps
   (Rear Lamp, Turn Lamp, DRL/Position Lamp, Fog
   Lamp)
◾ Automotive Interior Lamps
   (Air Conditioner Lamp, Interior Light, Cluster Light
   etc.)