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CN3801 - Standalone LiFePO4 Battery Charger IC

Datasheet Summary

Description

The CN3801 is a PWM switch-mode LiFePO4 battery charger controller that can be powered by photovoltaic cell with maximum power point tracking function with few external components.

The CN3801 is specially designed for charging LiFePO4 battery with constant current and constant voltage mode.

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Datasheet Details

Part number CN3801
Manufacturer CONSONANCE
File Size 205.60 KB
Description Standalone LiFePO4 Battery Charger IC
Datasheet download datasheet CN3801 Datasheet
Additional preview pages of the CN3801 datasheet.

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Full PDF Text Transcription

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CONSONANCE 4A, Standalone LiFePO4 Battery Charger IC With Photovoltaic Cell MPPT Function CN3801 General Descriptions: The CN3801 is a PWM switch-mode LiFePO4 battery charger controller that can be powered by photovoltaic cell with maximum power point tracking function with few external components. The CN3801 is specially designed for charging LiFePO4 battery with constant current and constant voltage mode. In constant voltage mode, the regulation voltage is fixed at 3.625V with ±40mV accuracy. The constant charge current is programmable with a single current sense resistor. Deeply discharged batteries are automatically trickle charged at 17.5% of the full-scale current until the cell voltage exceeds 66.5% of constant voltage.
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