TPS25982: Measures against overshoot due to sudden rise

Conor

Part Number: TPS25982

Hi,

The 24V voltage input to the power supply IC may overshoot due to a sudden rise.

What I would like to achieve is to suppress abrupt rises and allow the voltage to rise smoothly to protect the power supply IC in the latter stage.

Therefore, as a result of investigating TI products, we think that eFuse products are good. The power line that we want to protect is a 24V line, and a maximum current of about 10A may flow. The TPS25982 may be difficult to use because the Overvoltage lockout cannot be set at 24V.

Please let me know if there is an optimal device or an optimal IC other than eFuse products.

Thanks,

Eevee

over 2 years ago

+1 Kunal Goel over 2 years ago

TI__Guru* 79181 points

Hi Eevee,

Thanks for reaching out. Please have a look at our 40V eFuses portfolio and let me know if any concern. These eFuses have abs max rating beyond 40V.

www.ti.com/.../products.html

Regards

Kunal Goel

0 Conor over 2 years ago in reply to Kunal Goel

Guru 12815 points

Hi, Kunal

Thank you for the suggestion of 40V withstand voltage eFuse. It seems that these products cannot pass current of about 10A steadily. Any other solution?

Thanks,

0 Kunal Goel over 2 years ago in reply to Conor

TI__Guru* 79181 points

Hi Eevee,

1. Can you consider paralleling two TPS2663 for higher current support?

2. What is the max voltage that your downstream can tolerate? We need to set OVLO threshold equal to that.

Regards

Kunal Goel

Power management

Power management forum

TPS25982: Measures against overshoot due to sudden rise