TP5100 2A Lithium Battery Charge Management Module Single/Double

TP5100 2A Lithium Battery Charge Management Module

The TP5100 2A Lithium Battery Charge Management Module is a compact, high-efficiency SMD charge controller IC designed to handle both single and double-cell lithium battery charging with ease. Whether you're building a custom power bank, a DIY electronics project, or upgrading an existing circuit, this versatile chip delivers stable, reliable performance in a tiny footprint.

Key Features

• Single & Double Cell Compatibility: Supports both single-cell (4.2V) and double-cell (8.4V) lithium battery charging configurations — flexible for a wide range of DIY and professional applications.
• Up to 2A Charging Current: Delivers a maximum charge current of 2A for fast, efficient battery top-ups without compromising cell health.
• Wide Input Voltage Range: Accepts supply voltages from 5V to 18V, making it compatible with USB adapters, wall chargers, solar panels, and more.
• SMD Package: Surface-mount design for easy PCB integration into compact electronic builds.
• Wide Operating Temperature: Rated for -40°C to +85°C, ensuring consistent performance across demanding environments.
• Overcurrent & Thermal Protection: Built-in safety features help protect both the module and your battery during charging cycles.
• Available in Two Sizes: Choose between the TP5100 Big or TP5100 Small variant to suit your board layout.

Specifications

What Can You Use It For?

This charge management module is ideal for electronics hobbyists, engineers, and makers working on:

• DIY power banks and portable chargers
• Lithium battery-powered wearables and gadgets
• Custom PCB and breadboard projects
• Robotics and Arduino/microcontroller builds
• Solar charging systems

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Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: What is the TP5100 charge management module used for?

A: The TP5100 is a lithium battery charge management IC used to safely and efficiently charge single-cell (4.2V) or double-cell (8.4V) lithium batteries at up to 2A. It is widely used in DIY electronics projects, custom power banks, and battery-powered devices.

Q: What is the difference between the TP5100 Big and TP5100 Small variants?

A: The two variants differ in physical PCB size. The TP5100 Big offers a slightly larger board footprint for easier soldering and integration into spacious layouts, while the TP5100 Small is optimized for compact builds where board space is limited. Both offer the same electrical specifications.

Q: What input voltage does the TP5100 module require?

A: The TP5100 accepts a supply voltage range of 5V to 18V, making it compatible with USB power sources, standard DC adapters, and even solar panels — great for versatile project setups.

Q: Is the TP5100 safe to use with my lithium batteries?

A: Yes. The TP5100 includes built-in overcurrent and thermal protection features that help safeguard both the module and connected lithium cells during the charging process, providing added confidence for your builds.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.