Other Parts Discussed in Thread: TUSB320, , CSD17313Q2, TPS25910
Hi All,
We are looking to build a breakout for connecting a OTG device to the Samsung Galaxy/Note Series (Note 9 and above, Galaxy S9 and above). The requirements are as follows:
- Charge Samsung phone (preferably utlizing Samsung Adaptive Fast Charging), using the default charger provided when connected
- Power OTG device from phone when charger is not connected
To write it in one line, we are essentially building a OTG board with (fast) charging capability.
Based on our limited research we think the best way forward is to use the TUSB320 configured for DRP in GPIO mode.
The queries that we do have with respect to TUSB320EVM are:
- Am I correct in assuming that when a charger is connected the device will act in DFP and UFP mode when charger is not connected?
- What is the application of CSD17313Q2 (Q1)? When the gate is triggered would the voltage go from micABVBUS_OUT to TypeC_VBUS and when the gate is closed vice versa?
- Is this the best way forward is there a simpler method for implementing this?