LTC4020 hot swap battery

instalator on Aug 24, 2020

Hello,

I want to use LTC4020 in my project to charge a lead acid battery.

I found a problem and do not know how to solve it, if I turn it off during operation and charging the battery, then the voltage on Vout jumps to > 40 volts, my output capacitor exploded. Is this normal LTC4020 operation or do I have a problem?

Kind Regards
Vladimir

WATaylor

on Sep 2, 2020 1:01 PM 6 months ago
I will try to help you with your problem.

Please advise input, output voltage range, battery chemistry and full-charge voltage. Attach a schematic according to the information below.

Thank you.
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instalator on Sep 15, 2020 9:24 AM 5 months ago in reply to WATaylor

WATaylor Thanks for answering my question. I found an error in my project, I connected the Source and Drain Batt mosfet incorrectly, maybe the problem arose because of this. At the moment, I have not encountered this problem anymore.
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Fil

on Sep 24, 2020 7:00 AM 5 months ago in reply to instalator
Thanks Vladimir for this info.
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