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Datasheet
High-Efficiency Lithium-Ion and Lithium-Polymer Battery Charging IC with 4.2V Regulation for Single-Cell Charging Systems
The TP5000X-4.2-ESOP8 is a high-efficiency battery charging IC designed for charging single-cell lithium-ion and lithium-polymer batteries. This switching charger integrates a constant current/constant voltage (CC/CV) charging algorithm to provide safe and efficient charging while minimising heat dissipation compared to traditional linear chargers. With programmable charging current and intelligent charging control, the device ensures reliable battery charging performance in portable electronic systems. The ESOP-8 package offers improved thermal performance and compact PCB integration for modern battery-powered designs.
This battery charger IC is widely used in portable electronics, DIY battery charging modules, power banks, IoT devices, LED lighting systems, and embedded battery-powered equipment. The TP5000X-4.2 provides efficient energy conversion and stable charging regulation, helping extend battery life and improve system reliability. Integrated protection features such as thermal regulation, overcurrent protection, and charge termination ensure safe operation during the charging cycle.
Key Features
- Single-Cell Lithium Battery Charging – Designed for lithium-ion and lithium-polymer batteries.
- 4.2V Charging Regulation – Provides accurate constant voltage charging for standard Li-ion cells.
- Switching Charger Architecture – Improves charging efficiency and reduces heat generation.
- Constant Current / Constant Voltage Charging – Ensures safe and reliable lithium battery charging.
- Programmable Charging Current – Charging current can be configured using external components.
- Integrated Safety Protection – Includes thermal regulation, overcurrent protection, and charge termination.
- High Charging Efficiency – Suitable for applications requiring efficient battery power management.
- ESOP-8 Package – Compact surface-mount package with improved heat dissipation.
