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CN3761 - Standalone Li-ion Battery Charger

General Description

The CN3761 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 CN3761 is specially designed for charging lithium ion batteries with constant current and constant voltage mode.

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Datasheet Details

Part number CN3761
Manufacturer CONSONANCE
File Size 208.36 KB
Description Standalone Li-ion Battery Charger
Datasheet download datasheet CN3761 Datasheet

Full PDF Text Transcription for CN3761 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for CN3761. For precise diagrams, and layout, please refer to the original PDF.

CONSONANCE 4A, Standalone Li-ion Battery Charger CN3761 General Descriptions: The CN3761 is a PWM switch-mode lithium ion battery charger controller for 1 cell li-ion bat...

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itch-mode lithium ion battery charger controller for 1 cell li-ion battery in a small package using few external components. The CN3761 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 charging current is programmable with a single current sense resistor. Deeply discharged batteries are automatically trickle charged at 17.5% of the programmed constant charging current until the cell voltage exceeds 66.5% of cons