The CN3781 by CONSONANCE is a Standalone Li-ion Battery Charger IC. Below is the official datasheet preview.
| Part number | CN3781 |
|---|---|
| Manufacturer | CONSONANCE |
| File Size | 207.77 KB |
| Description | Standalone Li-ion Battery Charger IC |
| Datasheet |
 CN3781-CONSONANCE.pdf
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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 constant voltage mode.In constant voltage mode, the regulation voltage can be fixed at 4.2V with ± 1% accuracy, also can be adjusted upward with an external resistor.The constant charge current is programmable with a single current sense resistor.An on-c
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