IRAUDAMP9: 1.7 kW Mono, ±48 ~ 80V, Class D Amp

The IRAUDAMP9 reference design is a single-channel 1.7-kW @ 2Ω load half-bridge Class D audio power amplifier.

This reference design demonstrates how to use the IRS2092S Class D audio controller and external gate buffer, to implement protection circuits, and design an optimum PCB layout using the IRFB4227 (x 2 Pairs) TO-220 MOSFETs.

This reference design may require additional heatsink or fan for normal operation (one-eighth of continuous rated power).

The reference design provides all the required housekeeping power supplies for ease of use. The 1-channel design is capable of delivering higher than its rated power with provision of larger heat sink (Rth <2° C / W).