Protection Fuse solution required : 30VDC @ Ihold = ~27A, Itrip = 30A

Rupesh Malavi

Prodigy 245 points

Other Parts Discussed in Thread: TPS25982, LM5069

Hi,

I am looking for input high current protection fuse(Resettable) solution. below are the requirement details,

Input voltage : 24VDC/25A

Required Fuse Rating : 30VDC @ Ihold = ~26-27A, Itrip = 30A, These are minimum requirements.

Is there any working solution for the same or any other solution for high current protection?? Shall I go with two fuses in parallel??

over 6 years ago

0 Rakesh over 6 years ago

TI__Guru** 105561 points

Hi Rupesh,

Do you have any constraint on the space?
What is the max operating voltage? Can you have a look at TPS25982

Best Regards,
Rakesh

0 Rakesh over 6 years ago in reply to Rakesh

TI__Guru** 105561 points

Hi Rupesh,

Since, you need to support 30A requirement. I suggest to consider LM5069 device with external MOSFET.
Please use design calculator to arrive at the solution. The excel design calculator is available at www.ti.com/.../toolssoftware

Best Regards,
Rakesh

0 Rupesh Malavi over 6 years ago in reply to Rakesh

Prodigy 245 points

Hi Rakesh,

Thank you for reply.

Adding a IC solution becomes bulky with its discrete, we have mechanical space restriction, considering that looking at very small and compact design.

0 Rakesh over 6 years ago in reply to Rupesh Malavi

TI__Guru** 105561 points

Hi Rupesh,

Unfortunately, we do not have integrated solution at this voltage/current level.
Please let me know if you have any further questions.

Best Regards,
Rakesh

0 Rupesh Malavi over 6 years ago in reply to Rakesh

Prodigy 245 points

Hi Rakesh,

Thanks for your reply and support.

Power management

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Protection Fuse solution required : 30VDC @ Ihold = ~27A, Itrip = 30A