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TS3USB221 EVM Question

Qiumin Li
Prodigy 20 points
Other Parts Discussed in Thread: TS3USB221

Hi,

I have a TS3USB221 EVM, instead of use common connect to upstream, can I connect to device, my application is one device connect to common, and select from charging or sync,  so two sources to select from, other issues including discharge Vbus, for powering up TS3USB221, should I connect it to a external 3.3V, or pick from charging port 5V then link to on board LDO for 3.3V?

If this configuration won't work what would be a better choice, use DPDT relay?

Thanks

QM