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700W Automotive External Audio Amplifier Reference Design

PMP11769

Overview

The PMP11769 reference design is a comprehensive solution for 700W automotive audio amplifiers. This boost converter provides a 36.0V, 10.0A continuous/20.0A peak output from an input voltage of 9 to 16V. It contains two Class D amplifiers delivering 2 x 175W (loaded into 4 ohms, left and right channels) and 1 x 350W (loaded into 2 ohms, subwoofer) power.

characteristic

● Easily integrated into automotive systems thanks to 50V load dump and integrated protection system
● Ultra-HD audio, providing the best quality sound for any integrated Class D amplifier
● 100kHz bandwidth, supports high-resolution audio files and formats
● Low noise, eliminating “hiss” or “buzz” sounds

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Design Files

Documentation

PMP11769 Test Results

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It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

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Update:2025-05-12 12:54:16

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