Lithium-Ion Battery Charger with TP5000

This project introduces the design of a high-efficiency lithium-ion battery charger utilizing the TP5000 IC. This charger is capable of delivering up to 2 Amps of charging current, making it suitable for applications requiring faster battery charging. With support for external components, such as an inductor, and operating at a high oscillation frequency of 800 KHz, this circuit ensures efficient and reliable charging.

Main Features:

LED Indicators:

• Red LED: Indicates the battery is charging.
• Green LED: Signals that the battery is fully charged.

High Current Capacity: Supports charging currents up to 2 Amps, allowing faster charging compared to standard chargers.

External Inductor: Enhances efficiency by enabling high-frequency operation at 800 KHz.

Ease of Customization: Designed for projects that require flexibility and performance.

Technical Specifications:

• Input Power: Terminal block J1, supporting a voltage range of 4.5V to 9V DC.
• Battery Output: Terminal block J2, for direct battery connection.
• Intelligent Charging Control: The TP5000 regulates the charging process to ensure safe and efficient battery management.
• High-Frequency Operation: Works at 800 KHz, improving efficiency and minimizing external component size.

This PCB design is ideal for projects requiring a Battery Management System (BMS) with higher charging capabilities. It is well-suited for advanced applications demanding fast charging and efficient power conversion.

Applications:

• Educational and research projects requiring faster charging solutions.
• Systems with rechargeable lithium-ion batteries for medium to high-power devices.
• Advanced prototypes and projects needing efficient power management with external components.

Note: Always use compatible lithium-ion batteries and ensure the inductor and other components are correctly chosen to match the TP5000 specifications for safe and optimal operation.

Demo video: