TPS65281: About using the BUCK and Power switch

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Guru 21045 points

Part Number: TPS65281
Other Parts Discussed in Thread: TPS65286

Hi Team,

Our customer are evaluating TPS65281 at the following conditions.

Because, they would like to use the current limit for the input current.

Could you please let us know if you have any concern for the following?

[Conditions]

Regards,

Kanemaru

over 8 years ago

0 Jason Wang (BSR-MV) over 8 years ago

TI__Genius 9550 points

Hideto,

The device can't be used as you mentioned.

The device internal circiuit's power supply from VIN(pin 14), so before pin 14 powered up, the device can't work which means POWER SWITCH block can't work.

Please refer TPS65286 which has buck I_limit setting.

Jason Wang

0 Hide over 8 years ago in reply to Jason Wang (BSR-MV)

Guru 21045 points

Hi Jason-san,

Thank you for your advice.

I understand. Thank you very much.

Regards,

Kanemaru

Power management

Power management forum

TPS65281: About using the BUCK and Power switch