TP4056/TC4056 1A Li-Ion Lithium Battery Charging Module – Micro B USB

Overview:

• Type: Lithium Battery Charger Module
• Chip: TP4056/TC4056
• Input Interface: Micro B USB
• Application: Charging 3.7V Li-Ion batteries.

Key Features:

1. Charging Current: 1A (default), adjustable by modifying onboard resistors.
2. LED Indicators: Displays charging status (charging/full).
3. Input Options:
   • USB connection.
   • External voltage source through IN+/IN- pads.
4. Protection Features:
   • Current monitoring.
   • Under-voltage lockout.
   • Automatic recharge.
5. High Accuracy: Utilizes the mature TP4056 charging chip for reliable performance.
6. Compact Design: Lightweight and ideal for DIY projects.

Important Notes:

• No Overcurrent Protection: Ensure current settings match battery capacity.
• Heat Management: Chip operates normally at ~60°C.
• Reverse Connection:
  • Input: No effect on the chip.
  • Output (battery): Can damage the chip—handle connections carefully.
• Best Charging Practices:
  • Charging current ≈ 0.37 × battery capacity.
  • Use thick, short charging wires.
  • Ensure good contact with the battery.

Applications:

• Portable electronics.
• DIY battery-powered projects.
• Lithium battery recharging systems.

This module offers a simple and effective solution for charging 3.7V Li-Ion batteries with high accuracy.