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GaN Systems GS-EVB-AUD-BUNDLE2-GS Evaluation Platform provides a complete GaN-based Audio System solution. The GS-EVB-AUD-BUNDLE2-GS utilizes fast switching, low cost, and zero QRR enhancement-mode GaN transistors enable an excellent level of performance for Class D Audio amplifiers. The Class D Amplifier and companion power supply designs are optimized for sound quality, thermal performance, and size.
The GS-EVB-AUD-BUNDLE2-GS Evaluation Platform includes both a high-efficiency GaN-based LLC SMPS with PFC and a high-performance, high-efficiency GaN-based Class-D Stereo Amplifier. All discrete power devices are implemented as GaN Systems’ E-HEMTs enabling exceptional trade-offs between efficiency, EMI/EMC performance, and audio performance.
The SMPS includes all required components and subsystems for a complete and compliant high-voltage power supply. The SMPS PCBA provides a “Universal Input” front-end with PFC and a half-bridge LLC back-end for the highest efficiency in the smallest physical size.
The Stereo Class-D Amplifier is configured as a dual bridge-tied-load output topology to allow for the highest possible power output with the lowest possible voltage rails and allow for a ground-referenced output (no DC Level on + or – outputs).
