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APM80905-1 - Synchronous Buck LED Driver Module

Datasheet Summary

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.

Features

  • Automotive ASIL B, AEC-Q100 Grade 1 qualified solution for infrared LED driver monitoring system (DMS).
  • Ultra-low electromagnetic interference (EMI) architecture with integrated EMI-mitigation 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 capability.
  • High-integration architecture including high-side and low-si.

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Datasheet preview – APM80905-1

Datasheet Details

Part number APM80905-1
Manufacturer Allegro
File Size 2.66 MB
Description Synchronous Buck LED Driver Module
Datasheet download datasheet APM80905-1 Datasheet
Additional preview pages of the APM80905-1 datasheet.

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Full PDF Text Transcription

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APM80905-1 36 V, 4 A, Low-EMI, Synchronous Buck LED Driver Module with PWM Monitor FEATURES AND BENEFITS • Automotive ASIL B, AEC-Q100 Grade 1 qualified solution for infrared LED driver monitoring system (DMS) • Ultra-low electromagnetic interference (EMI) architecture with integrated EMI-mitigation 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 capability • High-integration architecture including high-side and low-side MOSFET switches and 5 V peripheral lowvoltage dropout (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-
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