LM25122-Q1: Switch current and output current

Carlo

Part Number: LM25122-Q1

Hello E2E,

Good day.

Is the switch current and output current both 20A for LM25122-Q1? I have checked the datasheet but was not able to find these values for the said parameters.

Thank you for the help.

Regards,
Carlo

over 4 years ago

0 Yinsong Cai1 over 4 years ago

TI__Expert 7450 points

Hello Carlo,

May I know where is this information? Please share the link if possible. Over 20A current for switch or output is not recommended for single phase boost design. However, with the multiphase capability of LM25122, higher current can be achieved. LM25122 is a controller so it does not put this recommendation in its datasheet.

Thanks,

Yinsong

0 Carlo over 4 years ago in reply to Yinsong Cai1

TI__Expert 7715 points

Hello Yinsong,

Here is the link: https://www.ti.com/power-management/non-isolated-dc-dc-switching-regulators/step-up-boost/products.html

Do we have a sample multiphase configuration using this part? Our customer would like to achieve 25A.

Regards,
Carlo

0 Yinsong Cai1 over 4 years ago in reply to Carlo

TI__Expert 7450 points

Hi Carlo,

Sure. Please check this reference design. https://www.ti.com/tool/PMP7969

I think it shows that recommended spec because it's together with the converter. It seems to disable this information when going into the controller section. https://www.ti.com/power-management/non-isolated-dc-dc-switching-regulators/step-up-boost/boost-controllers-external-switch/products.html

Thanks,

Yinsong

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LM25122-Q1: Switch current and output current