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7Semi BQ29700D Battery protection module
The 7Semi BQ29700D Battery Protection Module is a compact and reliable lithium battery safety solution designed to protect single-cell (1S) Li-Ion and LiPo batteries from common fault conditions that can reduce battery life or create unsafe operating conditions. Built around the Texas Instruments BQ29700D battery protection IC, this module continuously monitors battery voltage and current conditions to ensure safe charging, discharging, and storage of rechargeable lithium batteries. Its compact form factor and integrated protection circuitry make it an excellent choice for portable electronics, battery-powered embedded systems, IoT devices, wireless sensors, and DIY battery projects.
Lithium batteries require precise protection mechanisms to prevent damage caused by overcharging, deep discharge, excessive current draw, and short-circuit events. The BQ29700D protection circuit automatically detects these abnormal conditions and disconnects the battery when necessary, helping prevent battery degradation and improving overall system reliability. The module works seamlessly with single-cell lithium battery packs and can be integrated into custom battery-powered products without requiring complex battery management circuitry.
This protection board is suitable for wearable electronics, portable medical devices, handheld instruments, smart home products, GPS trackers, robotics, rechargeable consumer electronics, wireless monitoring systems, and industrial battery-powered equipment. The onboard battery connectors simplify installation while the low-power protection circuitry ensures minimal impact on battery runtime. Designed for dependable operation in embedded applications, the board supports an operating temperature range of -40°C to +80°C.
Features
- Based on Texas Instruments BQ29700D battery protection IC
- Designed for single-cell (1S) Li-Ion and LiPo batteries
- Overcharge protection for improved battery safety
- Overdischarge protection to prevent deep battery depletion
- Overcurrent protection during discharge operation
- Short-circuit protection for enhanced system reliability
- Automatic fault detection and battery disconnect capability
- Helps extend battery life and improve safety
- Low-power operation suitable for portable devices
- Compact PCB design for space-constrained applications
- Easy integration into battery-powered electronics
- Suitable for rechargeable lithium battery packs
- Supports portable, wearable, and IoT products
- Improves protection against battery misuse and fault conditions
- Reliable operation across a wide temperature range
Specifications
- Protection Functions: Overcharge, Over discharge, Overcurrent, Short Circuit
- Connection Type: JST Battery Connectors
- Operating Temperature:-40°C to +80°C
- Battery type suported: Li-ion / Li-PO 1S Type
- Dimension in mm: L=26mm W=9mm H=7.20mm
Package Includes
- 1x 7Semi BQ29700D Battery protection module
