CN3801 LiFePO4 Solar Charger SMD IC

The CN3801 is a standalone, switch-mode LiFePO battery charger IC designed for efficient charging from photovoltaic cells, featuring an integrated maximum power point tracking (MPPT) function. This IC is particularly suitable for single-cell LiFePO batteries, offering a compact and efficient solution for solar-powered charging applications.

Features

• High-Efficiency Charging: Utilizes pulse-width modulation (PWM) for switch-mode charging, ensuring efficient energy transfer.
• MPPT Functionality: Incorporates an MPPT algorithm to optimize the charging efficiency from solar panels by continuously adjusting to extract maximum power.
• Wide Input Voltage Range: It operates with input voltages ranging from 4.5V to 28V, accommodating various photovoltaic cell configurations.
• High Charging Current: Supports charging currents up to 4A, suitable for applications requiring rapid charging cycles.
• Low Operating Current: It consumes minimal operating current (1mA), enhancing overall system efficiency.
• Thermal Regulation: Features on-chip thermal regulation to prevent overheating during operation.

Applications

• Solar-Powered Devices: Ideal for charging LiFePO batteries in solar-powered systems, including outdoor sensors and portable electronics.
• Renewable Energy Systems: Suitable for integration into renewable energy setups where efficient battery charging from solar panels is required.
• Portable Electronics: Applicable in portable devices that utilize LiFePO batteries and benefit from solar charging capabilities.

Specification