BQ771802DPJR

The BQ771802DPJR is a battery protection integrated circuit (IC) developed by Texas Instruments. It is specifically designed to provide protection and monitoring functions for lithium-ion and lithium-polymer battery packs used in various applications such as portable electronics, power tools, and electric vehicles.

Key Features:

• Battery Protection: The BQ771802DPJR offers comprehensive protection features including overcharge protection, over-discharge protection, overcurrent protection, and short-circuit protection to ensure the safety and longevity of lithium-ion battery packs.

• Cell Balancing: It supports cell balancing functionality to equalize the voltage of individual cells within a battery pack, thereby optimizing battery performance and extending battery life.

• Temperature Monitoring: The IC integrates temperature monitoring circuitry to prevent battery damage caused by excessive temperature rise during charging or discharging.

• High Accuracy: It features high-accuracy voltage and current monitoring capabilities to ensure precise battery management and protection.

• Communication Interface: The BQ771802DPJR may include communication interfaces such as I2C or SMBus for interfacing with external microcontrollers or battery management systems (BMS) to provide real-time status monitoring and diagnostics.

• Compact Package: Packaged in a small form factor, it enables space-efficient integration into battery packs and electronic devices.

Applications:

• Portable electronics (e.g., smartphones, tablets, laptops)
• Power tools and cordless devices
• Electric bicycles and scooters
• Energy storage systems
• Electric vehicles (EVs) and hybrid electric vehicles (HEVs)