TP4056 – Lithium-Ion Battery Charging Controller IC
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Discover the TP4056 Battery Charging IC, a reliable single-cell lithium-ion battery charging controller featuring adjustable charging current, 4.2V charging voltage, and CC/CV charging control. Ideal for USB-powered devices, IoT projects, portable electronics, and rechargeable battery applications.
₹10.00
The TP4056 is a dedicated linear charging controller IC designed for single-cell lithium-ion and lithium-polymer batteries. It provides a simple and efficient solution for battery charging through a constant-current/constant-voltage (CC/CV) charging process.
Designed for 5V input power sources, the TP4056 supports programmable charging current through an external resistor, allowing flexibility for different battery capacities and charging requirements. It also provides a preconditioning function to safely charge deeply discharged batteries before switching to the normal charging mode.
The TP4056 is widely used in USB-powered battery charging modules, portable electronics, IoT devices, and other rechargeable battery-powered applications.
Key Features & Benefits
- Single-Cell Battery Charging: Designed for charging compatible single-cell lithium-ion and lithium-polymer batteries.
- CC/CV Charging Control: Supports controlled charging to help maintain a reliable battery charging process.
- Adjustable Charging Current: Allows charging current configuration according to application requirements.
- Deep Discharge Recovery: Provides low-current precharging for batteries with low initial voltage.
- Simple Circuit Integration: Requires minimal external components for practical charging circuit designs.
- USB Power Compatibility: Suitable for charging applications powered by standard 5V USB sources.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | TP4056 |
| Component Type | Linear Battery Charging Controller IC |
| Input Voltage | 4.5V to 5.5V DC |
| Typical Input Voltage | 5V DC |
| Battery Type | Single-Cell Lithium-Ion / Lithium-Polymer |
| Full Charge Voltage | 4.2V |
| Charge Voltage Accuracy | ±1.5% |
| Maximum Programmable Charge Current | Up to 1000mA (1A) |
| Charging Current Setting | External Programming Resistor (RPROG) |
| Trickle Charge Threshold | 2.9V |
| Charging Method | Constant Current / Constant Voltage (CC/CV) |
| Operating Temperature | -40°C to +85°C (IC rating) |
Applications
- Lithium-ion battery charging modules
- USB-powered charging circuits
- Portable electronic devices
- IoT and embedded systems
- Rechargeable battery-powered products
- DIY battery charging projects
- Wireless electronic devices
- Power management circuits
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