Audio Car Stereo Audio Amplifier with TDA1553CQ

Posted on Feb 5, 2014

When a short-circuit to ground occurs, which forces a DC voltage across the loudspeaker of >= V, a built-in protection circuit becomes active and limits the DC voltage across the loudspeaker to <= V. Pin 12 detects the status of the protection circuit (e. g. for diagnostic purposes). If any output is short-circuited to ground during the standby mod

Audio Car Stereo Audio Amplifier with TDA1553CQ
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e, it becomes impossible to switch the circuit to the mute or operating condition. In this event the supply current will be limited to a few milliamps.

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