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Li-Ion 4S to 5V

@NarWhale
5 years ago
https://everycircuit.com/circuit/5188728114642944
Attempting to figure out methods of dropping and regulating power. Power Source : Li-Ion 4S4P Pack ~Cell Voltage Nominal: 3.7V ~Cell Current Max: 2A ~Pack Voltage Min: 12V ~Pack Voltage Nominal: 14.8V ~Pack Voltage Max: 16.8V ~Pack Current Max: 8A Test Load Lamps (1) 5V .5A 2.5W (2) 5V 1A 5W (3) 5V 3A 15W (4) 5V 10A 50W Overall Goal: Efficiently modify the Li-Ion power to a constant 5V, assuming various load current requirements. Understand variations in methodology based on load current requirements. Ultimate Goal: Adjust output from 4S1P to a constant 5V with a maximum draw of 3A Top Left SPDT: Select voltage min\max Top Left SPST: Main Power Top Right SPDTx3: Load Selection Circuit should only be changed between Terminal A of the Relay to the left, and Input Terminal on the first SPDT Switch on the right.
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