Infineon Technologies AG Evaluation Boards IRAUDAMP23

Reference design board – 2-channel 500 W/ch half-bridge class D audio power amplifier featuring IRS2452M controller IC

The IRAUDAMP23 evaluation board is a two-channel, 500 W/ch (100 V_rms, 20 Ω at ±148.3 V) half-bridge Class D audio power amplifier for high impedance distribution system. This evaluation board demonstrates how to use the IRS2452AM controller IC, implement protection circuits, and design an optimum PCB layout.

Summary of Features

• Output power:
• 500 W x 2 channels (1% THD+N, 100 V_rms or 70 V_rms)
• Multiple protection features:
• PWM modulator:
  
• Over-current protection (OCP), high side and low side FETs
• Over-voltage protection (OVP)
• Under-voltage protection (UVP), high side and low side FETs
• Over-temperature protection (OTP)
• PWM modulator:
  
• Self-oscillating half bridge topology with optional clock synchronization

IRS2452AM - 2-Channel (Stereo) Output Class D Audio Amplifier Evaluation Board