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USB Switch (TS3USB221)

Other Parts Discussed in Thread: TS3USB221

Hello, 

My name is Hidetoshi Matsunami.

I would like to ask you the following question;

The operation of TS3USB221 when Vcc isn't input.

I understand the input of D+/D- isn't output to 1D+/1D- or 2D+/2D- when Vcc is no input.

Is my understanding correct?

This charge pump circuit can't operate if Vcc isn't input.

Therefore, the driver which control a switch between A and B under the following figure is operated by charge pump circuit.

As a result, the driver can't operate and turn off the switch.

Best Regards 

Hidetoshi Matsunami