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TPS25750: Recommended Battery charger at 65W Sink

Guru 21045 points

Part Number: TPS25750
Other Parts Discussed in Thread: BQ25731, BQ25790, BQ25792, USB-PD-CHG-EVM-01, TIDA-050047,

Hi team,

 

Our conditions are the following.

Then, we would like to know a recommended Battery charger and have two questions.

 

[Our conditions]

-Sink only

-Around 65W (Voltage and current are TBD)

-4cell Battery

 

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[Q1]

I found the following comment in TI HP and understand that if 65W, a recommended Battery charger is BQ25731.

Why is 45W the threshold?

And, can't I use BQ25792 or BQ25790?

If yes, could you please let us know the reason?

 

<TI HP>

 

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[Q2]

I would like to use USB-PD-CHG-EVM-01(TPS25750D + BQ25792).

I understand that EVM can sink 100W(20V/5A) so can use BQ25792 for 65W.

Is my understanding correct?

If yes, I would like to use BQ25792 for 65W.

Could you please let us know if you have any concern?

 

< Design Guide: TIDA-050047>

 

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Regards,

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