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Hi Sir,
Do we have solution to compete FSA553?
The main spec requirement allows the device to conduct signals when there is no Vcc available.
I checked TUS3USB31E but high on-state resistance cannot application in audio signal.
I also checked TS5A22362, but in the absence of Vcc, the switch does not support conduction signals.
Thanks, Ian.
Hi Ian,
Currently we do not have a signal switch in our portfolio that will conduct without power to the IC. You can try searching the web for a depletion FET switch but TI doesn't have one of these types of devices at this time.
Regards,
Saminah