Lithium battery charging and protection integrated board with 5V input and 1000mA charging current

This integrated circuit board provides both charging functionality and essential protection features for single-cell lithium batteries in a compact 2.6cm by 1.7cm package. Designed to accept 5V input voltage, the board offers a maximum charging current of 1000mA, making it suitable for various lithium battery charging applications. The integrated protection circuitry includes both over-discharge and overcurrent safeguards, with automatic charging cut-off when the battery reaches 4.2V ±1%. This combination of charging management and protection features in a single unit simplifies integration into projects requiring lithium battery support.

Features and Construction

The board combines multiple lithium battery management functions on a single printed circuit board. With dimensions of 26mm by 17mm, it provides a space-efficient solution for embedding charging and protection capabilities into various electronic devices and DIY projects.

Material and Build

The board consists of a standard printed circuit board populated with electronic components specifically selected for lithium battery charging and protection applications. The blue PCB colour provides visual identification, while the compact footprint allows for integration into space-constrained designs. All components are surface-mounted to maintain the small form factor while providing the specified electrical functions.

Size and Practical Fit

Measuring just 2.6cm by 1.7cm, this board occupies minimal space while delivering both charging and protection functions. The compact dimensions make it suitable for embedding into portable devices, DIY electronics projects, or any application where board real estate is limited. The small footprint does not compromise the specified electrical capabilities, maintaining the full 1000mA charging current and 3A overcurrent protection ratings.

Uses and Placement

This integrated board serves applications requiring both lithium battery charging and basic protection features. Its 5V input compatibility makes it particularly suitable for USB-powered charging scenarios, while the protection circuitry adds safety for the connected battery.

Event or Professional Use

For professional applications, this board can be integrated into prototype devices, testing equipment, or portable instrumentation requiring lithium battery support. The specified 4.2V ±1% charging cut-off ensures proper charging termination for lithium cells, while the 2.5V over-discharge protection helps prevent battery damage from excessive discharge. The 3A overcurrent protection provides basic safety against short circuits or excessive load currents.

Everyday Home Use

For DIY electronics enthusiasts and hobbyists, this board simplifies adding lithium battery charging capability to various projects. The integrated protection features reduce the need for additional external protection circuits, while the 5V input allows powering from common USB chargers or power banks. The compact size makes it suitable for embedding into custom-built portable devices, emergency power packs, or electronic projects requiring rechargeable battery support.

Benefits and Buying Value

This integrated board offers practical advantages by combining multiple lithium battery management functions into a single, compact unit. The specified technical parameters provide clear performance boundaries for integration into various applications.

Reuse and Low Maintenance

The board's solid-state design with no moving parts contributes to reliable operation with minimal maintenance requirements. The protection circuitry operates automatically without user intervention, monitoring battery voltage and current conditions continuously during both charging and discharging cycles. This autonomous operation reduces the need for manual monitoring while providing basic safety for connected lithium cells.

Why Choose This Product

This integrated board offers a practical solution for applications requiring both lithium battery charging and protection features in a compact format. The specified 1000mA charging current supports reasonably fast charging for many single-cell lithium batteries, while the protection features address common safety concerns. The 5V input voltage compatibility aligns with widely available power sources, and the small 2.6cm x 1.7cm footprint allows integration into space-constrained designs where separate charging and protection components might not fit.