Product Overview: BQ7721602PWR by Texas Instruments

The BQ7721602PWR is a state-of-the-art battery monitor and protector designed by Texas Instruments (TI) to ensure the optimal performance and safety of multi-cell lithium-ion battery packs. This advanced integrated circuit (IC) is part of TI's extensive portfolio of battery management solutions, and it is particularly suited for applications in electric vehicles, portable electronics, and energy storage systems.

Key Features

• Voltage Monitoring: The BQ7721602PWR can monitor up to 16 series-connected battery cells, providing precise voltage readings that are crucial for maintaining balanced charge levels and extending battery life.
• Protection Functions: It includes a range of protection features such as overvoltage, undervoltage, and overtemperature detection to safeguard the battery pack from operating outside its safe operating area.
• Communication Interface: The device supports a daisy-chain communication interface that allows multiple BQ7721602PWR devices to be connected in series, enabling the monitoring of even larger battery strings without compromising communication reliability.
• Compact Design: Housed in a TSSOP (Thin Shrink Small Outline Package), the BQ7721602PWR is designed for space-constrained applications, offering a compact footprint without sacrificing performance.

Technical Specifications

The BQ7721602PWR operates over a wide temperature range and has a high-accuracy voltage measurement capability. Its technical specifications include:

• Cell Voltage Measurement Range: 1.5V to 5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: TSSOP-30

Applications

With its robust protection features and precise monitoring capabilities, the BQ7721602PWR is ideal for a variety of applications:

• Electric and Hybrid Electric Vehicles
• Power Tools and Garden Tools
• Portable Medical Devices
• Uninterruptible Power Supplies (UPS)
• Energy Storage Systems

Overall, the BQ7721602PWR from Texas Instruments is a versatile and reliable solution for advanced battery management, ensuring both the performance and safety of sophisticated battery systems.