This circuit of single-cell LiFePO4 (lithium iron phosphate) battery charger is based on an LM358 operational amplifier (op-amp) and a couple of inexpensive and easy-to-get components. It can be powered from any USB port or USB standard power supply adaptor. It does not use any difficult-to-handle surface mount device (SMD) or a miniscule chip. LiFePO4 […]
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Credit- EFY. Published by Department of EEE, ADBU: tinyurl.com/eee-adbu
