All Questions
4
questions
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652
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Why does the voltage of a 18650 battery drop when connected to an LM2596 module?
I am trying to get a 5V output out of a 2S 18650 cells (getting a 7.5V from them.)
I am trying to use a LM2596 module, but as soon as the battery is connected to the LM2596, the input reading goes ...
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0
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1
answer
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Charging a Li-ion battery with a Buck Convertor & ATmega8 [closed]
I'm trying to charge a 7.4 V Li-Ion battery following the CC/CV protocol and have a few questions.
I want to use an SMPS from my old laptop that can provide 20 V/3.25 A and feed that to a buck ...
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0
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Current and voltage increasing with duty cycle from buck- converter
I am designing a 2s Li-ion battery charger using a buck converter from a 10W (18V, 0.55A) solar panel. So I understand that the duty cycle controls the ratio of the input power vs output power and ...
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2
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4
answers
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Charging 2 Li-Ion Batteries via a single charger
I'm currently building a portable USB charger. It uses 2 Li-ion batteries in series connected to a USB port via a 5V regulated buck converter. While a single Li-ion battery would suffice for most ...
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