TPS628502-Q1: Larger current limiting resistor for MODE/SYNC pin in TPS628502-Q1

William Huang1

Part Number: TPS628502-Q1
Other Parts Discussed in Thread: TPS628502

Hi Experter,

currently our design for TPS628502.

there is a 4.7K ohm resistor between VIN and MODE/SYNC.

if change it to 47k ohm to reduce power consumption.

do you have any concern? please let us know your comment.

many thanks.

0 Excel Regidor over 1 year ago

Hello William,

Thanks for reaching out to us.

Changing R1_103 from 4.7kohm to 47kohm should not be an issue.

The leakage current going into the MODE/SYNC pin is very low. So, how much power consumption reduction was achieved with 47kohm?

Best regards,

Excel

0 William Huang1 over 1 year ago in reply to Excel Regidor

Hi Excel,

Thanks , it's very clear.

Just a little bit to reduce power consumption to meet our spec.

Regard.

William.

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