The BQ7695202PFBR is a highly integrated battery management system (BMS) from Texas Instruments (TI) designed for lithium-ion (Li-ion) and lithium-polymer (Li-poly) batteries. It is part of TI's broad portfolio of battery management solutions that cater to various applications, including electric vehicles (EVs), energy storage systems (ESS), and portable electronics.
Description:
The BQ7695202PFBR is a system-in-package (SiP) device that integrates multiple functions required for battery management into a single, compact package. It is designed to provide precise cell voltage monitoring, current measurement, and other essential battery management functions.
Features:
- Cell Voltage Monitoring: The BQ7695202PFBR can monitor up to 15 series-connected Li-ion or Li-poly battery cells with high accuracy.
- Current Measurement: It features a high-precision current sensor that can measure both charging and discharging currents.
- Battery Pack Voltage and Temperature Monitoring: The device can monitor the total pack voltage and temperature, providing a comprehensive view of the battery pack's status.
- Battery Protection: It offers overcharge, over-discharge, overcurrent, and short-circuit protection to ensure the safety and longevity of the battery pack.
- Communication Interface: The BMS features a high-speed I2C communication interface for easy integration with other system components.
- SMBus Support: It supports SMBus, allowing for compatibility with a wide range of host microcontrollers and processors.
- Active Balancing: The BQ7695202PFBR supports active cell balancing, which helps maintain cell voltage uniformity and extends the overall battery life.
- Small Form Factor: The SiP design allows for a compact solution that saves space and reduces the complexity of the overall battery management system.
Applications:
- Electric Vehicles (EVs): The BQ7695202PFBR can be used in various EV applications, including hybrid electric vehicles (HEVs), plug-in hybrid electric vehicles (PHEVs), and battery electric vehicles (BEVs).
- Energy Storage Systems (ESS): The BMS is suitable for managing battery packs in residential, commercial, and industrial energy storage systems.
- Portable Electronics: It can be used in high-end smartphones, tablets, laptops, and other portable devices that require precise battery management.
- Uninterruptible Power Supplies (UPS): The BQ7695202PFBR can be employed in UPS systems to ensure reliable and efficient power backup.
- Medical Devices: The BMS can be used in portable medical devices that require accurate and reliable battery management.
In summary, the BQ7695202PFBR from Texas Instruments is a highly integrated and feature-rich battery management system designed for Li-ion and Li-poly battery packs. Its compact form factor, precision monitoring, and protection features make it suitable for a wide range of applications, including electric vehicles, energy storage systems, and portable electronics.