Electronic Products & Technology

Audio amplifier multichip module enables small footprint

February 25, 2022  Stephen Law

INFINEON TECHNOLOGIES MA5332MS analog input, 2-channel, class D audio amplifier multichip module (MCM) enables small footprint, high power density, and heatsink-free operation. Devices provide a combination of small size, low heat dissipation, high integration, and excellent sound quality. Device is a powerful upgrade to its predecessor, offering the same or even higher output power than monolithic alternatives, without a heatsink and 50 percent less footprint. In the 100-400 W/channel range, device is suitable for consumer products including home theaters in a box, soundbars, subwoofers, and mini-component systems. Product comes in a compact 7 x 7mm 2 42-pin QFN package, integrates a dual-channel PWM controller, a high-voltage gate driver, and four low R DS(ON) MOSFETs.

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