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C5137695_CN3722 Multi-type battery charging solution verification board

Overview

CN3722 is a PWM buck mode charge management integrated circuit that can be powered by solar cells and has a solar cell maximum power point tracking function. Wide input voltage range from 7.5V to 28V. CN3722 has constant current and constant voltage charging modes, which is very suitable for charging lithium batteries or lithium iron phosphate batteries. In constant voltage charging mode, the constant voltage charging voltage is set by an external resistor divider network; in constant current charging mode, the charging current is set by an external resistor.

Design Files

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Update:2025-05-09 00:03:22

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