TPS53626: TPS53626 pin16 VIN series resistance use 0ohm or 10K ohm

Wang Kris

Intellectual 270 points

Part Number: TPS53626

Hi Sir:

What value should be chosen for the series resistance of TPS53626 pin 16 VIN?

According to the datasheet is 0 ohm, but intel's CRB is 10K, what's the difference?

How to choose the resistance value?

over 7 years ago

0 Nancy Zhang over 7 years ago

TI__Mastermind 49430 points

Hi Kris,

It should be 0ohm NOT 10k. There is a typo in Intel's CRB.

Thanks,

Nancy

0 Wang Kris over 7 years ago in reply to Nancy Zhang

Intellectual 270 points

Dear Nancy:

If I use a 10 ohm or 10K ohm what impact will it?

0 Nancy Zhang over 7 years ago in reply to Wang Kris

TI__Mastermind 49430 points

Hi Kris,

10k is a typo and should be 10ohm. If you use 10k, you may have higher PWM jitter and unstable.
Thanks,

Nancy

0 Wang Kris over 7 years ago in reply to Nancy Zhang

Intellectual 270 points

Dear Nancy:
So what is the value of this series resistor is correct?
0 ohm, 1 ohm, or 10 ohm.
Is there any effect on the use of these different values(0, 1 or 10 ohm)?

0 Nancy Zhang over 7 years ago in reply to Wang Kris

TI__Mastermind 49430 points

Hi Kris,

0, 1, 10ohm should not have big effect. You can use 1 ohm for better noise filtering.

Thanks,

Nancy

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TPS53626: TPS53626 pin16 VIN series resistance use 0ohm or 10K ohm