Power
IR introduces PowIRaudio IR4321M and IR4322M power modules
International Rectifier has expanded its PowIRaudio family with the introduction of the single channel IR4321M and dual channel IR4322M integrated power modules. The 60V IR4321M and IR4322M complement the existing product offering and expand the power capability of low load-impedance Class D audio systems in applications including car audio systems, tabletop audio systems, active speakers and musical instruments (with integrated amplifiers).
The These new IR4321M and IR4322M PowIRaudio modules further expand IR’s portfolio of integrated power modules to offer higher power capability for 2Ohm loads up to 90W per channel without the need for a heatsink.
Additional features common to the family include over-current protection, thermal shutdown, internal/external shutdown and floating differential input.
Two reference designs, the IRAUDAMP21 and IRAUDAMP22, featuring the IR4321M and IR4322M respectively are also available.
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