TP5100 – 2A Switching Buck Battery Management IC TQFN-16

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Datasheet
High-Efficiency 2A Switching Buck Battery Charging IC for Single and Dual Cell Lithium Battery Management
The TP5100 is a high-performance switching buck battery management IC designed for efficient charging of lithium-ion and lithium-polymer battery packs. This charger IC supports both 1-cell and 2-cell battery configurations and delivers a charging current of up to 2A, making it suitable for applications requiring fast and reliable battery charging. The integrated switching buck architecture improves charging efficiency and reduces heat generation compared to traditional linear charging circuits. Its compact TQFN-16 package allows easy integration into space-constrained battery-powered devices.
This battery charger IC is widely used in portable electronics, power banks, IoT devices, DIY battery charging modules, and embedded battery-powered systems. The TP5100 automatically manages constant current (CC) and constant voltage (CV) charging modes to ensure safe and efficient charging of lithium batteries. Built-in protection features such as over-temperature protection, charge termination, and input voltage regulation help improve safety and extend battery life in modern battery management systems.
Key Features

2A Charging Current Capability Supports fast battery charging with high efficiency.
Switching Buck Charging Architecture Improves power efficiency and reduces heat generation during charging.
Supports 1-Cell and 2-Cell Lithium Batteries Compatible with lithium-ion and lithium-polymer battery packs.
Automatic CC/CV Charging Mode Provides safe constant current and constant voltage charging control.
High Charging Efficiency Switching regulator design reduces power loss compared to linear chargers.
Integrated Safety Protection Includes thermal protection and charge termination features.
Wide Application Compatibility Suitable for power banks, portable devices, IoT hardware, and DIY battery charging modules.
Compact TQFN-16 Package Ideal for compact PCB designs and surface-mount assembly.