Description
The TP4056 is a complete constant-current/constant-voltage linear charger for single-cell lithium-ion batteries. Its compact SMD-8 package and low component count requirements make it an ideal choice for portable applications, such as power banks, handheld electronics, and battery-powered sensors. By utilizing an internal MOSFET architecture and featuring a thermal feedback regulation loop, the TP4056 ensures safe, high-speed charging while automatically managing heat dissipation.
This IC includes essential safety and control features, such as a programmable charge current, dual status outputs for LED indicators (charging and fully charged), and automatic recharge functionality. The TP4056 is designed to work effectively within USB power specifications, making it a “must-have” for any project involving rechargeable Li-ion batteries.
Key Features
- Complete Linear Charging: Constant-current/constant-voltage operation for optimal battery health.
- Programmable Current: Easily adjustable charge current using an external resistor.
- Integrated Status Monitoring: Includes dual outputs to drive status LEDs (charging/complete) for easy visual feedback.
- Thermal Regulation: Built-in thermal feedback loop maximizes charge rate without risk of overheating.
- Compact Design: SMD-8 footprint is perfect for space-constrained, modern PCB designs.
Application
- Portable Electronics: Ideal for charging batteries in smartphones, tablets, and portable media players.
- Power Banks: A foundational component for safe and reliable mobile charging solutions.
- Wearable Tech: Efficient charging management for smartwatches, fitness bands, and medical wearables.
- IoT Devices: Provides a dependable charging rail for remote, battery-powered sensors and hardware.
- Custom Projects: An essential, easy-to-use IC for hobbyists and engineers integrating Li-ion batteries into custom electronics.
Package Includes
- 1 x TP4056 Single-Cell Li-Ion Battery Charger IC (SMD-8)
Technical Specifications
| Parameter | Specification |
|---|---|
| Device | TP4056 |
| Charger Type | Linear Li-Ion (Single Cell) |
| Package Type | SMD-8 |
| Shipping Weight | 0.001 kg |
| Shipping Dimensions | 4 × 4 × 1 cm |
Note: Product images are shown for illustrative purposes only and may differ from the actual product. For complete technical parameters, please refer to the official device datasheet.
