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4-channel current-feedback in-car audio PA

4-channel current-feedback in-car audio PA

By Graham Prophet



The IC integrates a current feedback system to prevent sound quality degradation at wide bandwidths, improving sound consistency and the listening experience. Conventional offset detection during sound reproduction is particularly difficult to manage. To address this, the TCB501HQ integrates a newly developed, full-time offset detection circuit. It also detects output DC offset voltage caused by leakage from the input capacitor and other sources, even during sound reproduction. Additional embedded protection circuits include thermal, overvoltage, output to VCC, output to GND, output to output protection and a short circuit detection function. In a HZIP25-P-1.00F package, the TCB501HQ also features built-in mute and standby functions, a high-side switch driver and 6V operation.

 

Toshiba Electronics Europe; www.toshiba.semicon-storage.com

 

 

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