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CN3705 - Multi-Chemistry Battery Charger

General Description

The CN3705 is a PWM switch-mode battery charger controller for 1 or multi-cell lithium ion batteries or LiFePO4 batteries in a small package using few external components.

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Datasheet Details

Part number CN3705
Manufacturer CONSONANCE
File Size 237.15 KB
Description Multi-Chemistry Battery Charger
Datasheet download datasheet CN3705 Datasheet

Full PDF Text Transcription for CN3705 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for CN3705. For precise diagrams, and layout, please refer to the original PDF.

CONSONANCE 5A, Multi-Chemistry Battery Charger CN3705 General Descriptions: The CN3705 is a PWM switch-mode battery charger controller for 1 or multi-cell lithium ion bat...

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ch-mode battery charger controller for 1 or multi-cell lithium ion batteries or LiFePO4 batteries in a small package using few external components. The CN3705 is specially designed for charging lithium ion batteries or LiFePO4 batteries with constant current and constant voltage mode. In constant voltage mode, the regulation voltage is set by the external resistor divider. The constant charging current is programmable with a single sense resistor. Deeply discharged batteries are automatically trickle charged at 15% of the programmed constant charging current until the cell voltage exceeds 66.7% of the regulation voltage in

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