MA5302MS MERUS™ 2-channel analog input class D audio multichip module optimized for low-impedance speakers

Overview

The MA5302MS is optimized for 1-2 Ω speaker impedances. It offers the same or higher output power than monolithic alternatives without heatsink and 50% less footprint. This MCM solution integrates 2 channel PWM controller, high voltage gate driver, and 4 low RDS(ON) MOSFETs. It includes standard Class D protection features for reliable operation over various environmental conditions. MA5302MS has the same 7x7 mm PG- IQFN-42 package as MA5332MS.

Summary of Features

  • Small 7x7 mm package
  • Heatsink-less operation at 2x102 W at 2 Ω
  • 80 V rating of the integrated MOSFETs
  • 94% efficiency Class D at 2x220W at 2 Ω
  • Split or single power supply capable
  • Differential or single-ended input
  • 2xSE, BTL, PSE (Parallel Single-Ended)
  • OCP, OTP, and UVP with self-reset
  • Start/stop click noise reduction
  • Clip and Fault reporting outputs

Benefits

  • Enables high power SE (single ended)
  • Reduced bus caps and output filters
  • No needs for external protections

Potential Applications

  • Soundbar subwoofer
  • Aftermarket car audio system
  • Marine amplifier
  • Active speaker
  • Studio monitor
  • General-purpose audio power amplifier
MA5302MS
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