TP5000 Charger Module 2A High Current 3.6V 4.2V Li-ion LiFePO4 Battery Charging Board with LED Indicator & Protection

Description

The TP5000 Charger Module 2A is a compact, high‑current charging board designed for 3.6 V – 4.2 V Li‑ion and LiFePO4 batteries. Engineered with advanced protection circuitry and a clear LED indicator, this module delivers fast, safe, and reliable charging for hobbyist projects, DIY electronics, and professional prototypes.

Key Highlights

• 2 A constant‑current charging for rapid battery replenishment
• Wide input voltage range: 4.5 V – 28 V (compatible with USB, DC adapters, and solar panels)
• Built‑in over‑charge, over‑discharge, short‑circuit, and over‑temperature protection
• Dual‑color LED indicator (red = charging, green = fully charged) for instant status monitoring
• Compact PCB layout (38 mm × 23 mm) – ideal for space‑constrained applications
• Easy solder‑free terminal blocks for quick wiring

Technical Specifications

• Charging current: 2 A (adjustable via external resistor)
• Supported battery chemistry: Li‑ion (3.6 V – 4.2 V) & LiFePO4 (3.2 V – 3.6 V)
• Input voltage: 4.5 V – 28 V DC
• Charging efficiency: ≥ 95 %
• Operating temperature: –20 °C ~ +85 °C
• Protection thresholds: Over‑charge 4.25 V, Over‑discharge 2.5 V, Short‑circuit 0 Ω, Over‑temperature 150 °C

Benefits & Advantages

• Fast charging without compromising battery lifespan.
• Safety first – comprehensive protection safeguards both the battery and the device.
• Visual feedback – LED status eliminates guesswork during charging cycles.
• Versatile compatibility – works with most single‑cell Li‑ion and LiFePO4 packs.
• Plug‑and‑play design – no programming required, simply connect and charge.

Compatibility

• Single‑cell Li‑ion batteries (3.6 V – 4.2 V)
• Single‑cell LiFePO4 batteries (3.2 V – 3.6 V)
• Portable power banks, RC drones, electric scooters, DIY robotics, and solar‑charging projects.

Installation & Usage

• Connect the battery terminals to the B+ and B‑ pads.
• Attach the power source to the VIN and GND pads (ensure voltage is within 4.5 V‑28 V).
• Observe the LED: red while charging, green when fully charged.
• Optional: adjust the charging current by replacing the 1 kΩ resistor with a value of your choice.

Why Choose the TP5000 Charger Module?

• Trusted TP5000 chip provides stable, high‑current performance.
• All‑in‑one protection eliminates the need for additional safety circuits.
• Compact footprint fits into tight enclosures and wearable devices.
• Cost‑effective solution for both hobbyists and professional engineers.