DESCRIPTION

· The APM80904 is a synchronous buck switching regulator module designed for driving high-power LEDs with constant current output.
· It integrates high-side and low-side N-channel switches, inductor, and capacitors, supporting cycle-by-cycle current control.
· Features include PWM dimming, analog dimming for brightness and thermal management, and robust fault protections.
· Packaged in a 4 mm × 6 mm × 2.1 mm QFN-32 with wettable flanks for enhanced thermal performance.

FEATURES

· Automotive AEC-Q100 qualified, operates from 4.5 to 36 V, max 40 V.
· Integrated components reduce external part count, supports up to 1.5 A output.
· Features ultra-low EMI architecture, spread spectrum for EMC, and high efficiency up to 90%.
· Includes 5 V LDO regulator, multiple dimming options, and comprehensive protection features.

APPLICATIONS

· Suitable for automotive lighting such as daytime running lights, fog lights, and turn/stop lights.
· Ideal for interior and puddle lights with dimming capabilities.
· Effective in map lighting and other LED-based automotive applications.