Hi Takahiko,
Sorry we don't have EMI data for LM3489.
Pls check TI Designs: TIDA-01602 for design reference and PCB layout to improve EMI performance.
There is also some advice in below thread
https://e2e.ti.com/support/power-management/f/196/t/690195…
Hi Newton,
This is not feasible as it would violate the USB PD Specification. The TPS65981 is PD compliant and would not permit this behavior.
Consider using TIDA-01602 for a low cost 20V power supply to compliant USB PD solution:
If this answers your…
Other Parts Discussed in Thread: BQ24392 Hello team,
We are working with customer on a dongle design per below and considering bypassing USB 2.0 data directly, something similar to below TI design but removing BQ24392 http://www.ti.com/tool/TIDA-01602?jktype…
Hi Malik, hi all
Let me provide some links that might be helpful to implement a solution:
www.ti.com/.../TIDA-01602 Barrel Jack to USB C PD and USB Type-A to USB Type-C TIkit Reference Design
www.ti.com/.../BQ24392 SPST USB 2.0 High-Speed Switch With…