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Posts tagged over-voltage

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Q&A Over-voltage protection for device with photovoltaic cell source

I have a solar panel rated for 6V open-circuit and up to 150mA. I would like to connect this to an SPV1040 or similar buck-boost converter with MPPT functionality to be able to charge a 3.6V batter...

2 answers  ·  posted 11mo ago by Keelan‭  ·  last activity 10mo ago by TonyStewart‭

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Q&A Driving ADC with opamp with large rails

In the image below is an opamp buffer with +/- 15v rails connected to a 3.3v ADC. The input to the opamp is limited to 0-3v. There is no protection circuitry for the ADC. Is the risk of the opam...

3 answers  ·  posted 3y ago by z3333‭  ·  last activity 3y ago by coquelicot‭