CN3781 ic equivalent, standalone li-ion battery charger ic.
powered by the supply with limited output capability, such as USB port, etc. Deeply discharged batteries are automatical.
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The CN3781 is a PWM switch-mode lithium ion battery charger controller for 1 cell li-ion battery in a small package using few external components. The CN3781 is specially designed for charging lithium ion batteries with constant current and constan.
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