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APM80905 - Synchronous Buck LED Driver Module

General Description

The APM80905 is a 36 V, 4 A, ASIL B, low-EMI, synchronous buck switching regulator module that provides a regulated current output to drive high-power infrared or standard LEDs.

Key Features

  • Automotive ASIL B, AEC-Q100 qualified solution for infrared LED driver monitoring system (DMS).
  • Ultra-low EMI architecture with integrated EMImitigation capacitors and spread spectrum operation to comply with automotive requirements.
  • Safety protection against out-of-range PWM on-time and duty cycle with PWM monitoring feature for eye-safe operation.
  • High integration architecture including high-side and low-side MOSFET switches and 5 V peripheral LDO to reduce.

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Datasheet Details

Part number APM80905
Manufacturer Allegro
File Size 2.73 MB
Description Synchronous Buck LED Driver Module
Datasheet download datasheet APM80905 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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APM80905 36 V, 4 A, Low-EMI, Synchronous Buck LED Driver Module with PWM Monitor FEATURES AND BENEFITS • Automotive ASIL B, AEC-Q100 qualified solution for infrared LED driver monitoring system (DMS) • Ultra-low EMI architecture with integrated EMImitigation capacitors and spread spectrum operation to comply with automotive requirements • Safety protection against out-of-range PWM on-time and duty cycle with PWM monitoring feature for eye-safe operation • High integration architecture including high-side and low-side MOSFET switches and 5 V peripheral LDO to reduce solution size and cost • Safety diagnostics for ASIL B compliance including: ▫ Low power shutdown (1 μA typical) ▫ High-side output current sense ▫ High-side MOSFET current limit protection ▫ Active-low fault flag output ▫ Unde