This project is modified from
CN3795 1-6 cell lithium battery MPPT solar charging board - Jialichuang EDA open source hardware platform https://oshwhub.com/mengmutou/CN3795-1-6jie-li-dian-chi-MPPTta
Using CN3795, the input voltage is 6.6V to 30V, with MPPT function, with trickle current, constant current and constant voltage charging modes, the maximum output voltage is 25V, and the maximum charging current is 4A.
The difference between this solution and CN3722 may be the input voltage and current. I consulted the manufacturer's technology and did not get more information.
CN3722 input voltage range: 7.5V to 28V charging current up to 5A battery temperature monitoring function
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