Infineon IRS2452AM class D audio IC

The IRS2452AM integrates two channels of high voltage, high-performance Class D audio amplifier drivers with PWM modulators and protections. In conjunction with external MOSFET, the IRS2452AM forms a complete 2 channel Class D audio amplifier. The IRS2452AM is designed with floating analog inputs and protection control interface pins convenient for half-bridge applications. High and low side MOSFETs are protected from over current conditions by a programmable over current protection. Essential elements of the PWM modulator section allow flexible system design.

Key features

• Differential or Single-Ended Input
• Programmable Over-Current Protection
• Programmable Dead-Time Generation
• External Thermal Sensor Input

Additional features:

• Versatile Protection Control Enabling Latched, Non-Latched, or Host Controlled Shutdown Function
• Click Noise Reduction
• Under Voltage Protection
• High Noise Immunity
• Sufficient voltage headroom for 70/100 VRMS (200 VPP/280 VPP) transformer-less designs
• Simplifies Amplifier Protection Implementation

Applications

• Class D Audio

Available tools

Evaluation Board: IRAUDAMP23

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

Order code: IRAUDAMP23