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Reg the AC voltage sensing in the no neutral power supply designs

Hi,

We are looking for a solution to sense the AC line voltage in the no neutral power supply design.

As we found a solution for current sensing in no neutral design in the TI applications. Please find the below link for your reference.

https://www.ti.com/lit/an/snoa968a/snoa968a.pdf?ts=1677075762864&ref_url=https%253A%252F%252Fwww.google.com%252F#:~:text=With%20No%2DNeutral%20Wire&text=Current%20sensing%20is%20a%20technique,current%20flowing%20through%20this%20resistor.

Expecting a similar solution for AC voltage sensing in the design. Please help with the available solutions from TI.

Please find the below link for the no neutral power supply design that we are using in our application.

https://www.power.com/design-support/design-examples/der-865-2-wire-forward-reverse-phase-ble-smart-dimmer-linkswitch-tnz-lossless-ac-zero-crossing-detection

Thanks.