TPS2663: priority power mux implementation

Sam Ting

Part Number: TPS2663
Other Parts Discussed in Thread: TPS2493

Tool/software:

Hi team,

My customer wants to build a priority power mux by using TPS2493 and TPS26631. Could you help comment how to do the connections? thanks!

Regards,
Sam Ting

over 1 year ago

+1 Rakesh over 1 year ago

TI__Guru** 105361 points

Hi Sam,

You need active reverse current blocking for using the device in power mux configuration. Please look at LM749x-Q1 and let me know if you want to proceed with that to loop in respective applications engineer.

BR,

Rakesh

0 Sam Ting over 1 year ago in reply to Rakesh

TI__Expert 3580 points

Hi Rakesh,

Yes, we need the active reverse current blocking. Could you provide the detailed design to meet the above design requirement? Thank you!

Regards,
Sam Ting

+1 Rakesh over 1 year ago in reply to Sam Ting

TI__Guru** 105361 points

Hi Sam,

Please see Figure 7-1 in https://www.ti.com/lit/an/snoaa94/snoaa94.pdf

BR,

Rakesh

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TPS2663: priority power mux implementation