BQ7720501DGKR

Battery Management Overview

The BQ7720501DGKR is an ultra-low-power voltage protector designed for 3-series to 5-series cell Lithium-ion battery packs. It provides high-accuracy overvoltage protection with a tolerance of ±10 mV at 25°C and ±20 mV from 0°C to 60°C. The device operates within a temperature range of -40°C to 85°C and is housed in an 8-pin VSSOP (DGK) package.

Battery Management Feature Summary

• Provides overvoltage protection for 3-series to 5-series cell Li-ion batteries
• Ensures high-accuracy voltage monitoring with specified tolerances
• Designed for ultra-low-power operation

Battery Management Applications

• Lithium-ion battery pack protection
• Portable electronic devices requiring multi-cell battery management
• Power tools with Li-ion battery systems

Battery Management Procurement Notes

Verify the specific suffix DGKR confirms the 8-pin VSSOP package and tape-and-reel shipping format. Confirm the operating temperature range meets your environmental requirements, as this variant is rated for -40°C to 85°C. Ensure compatibility with your battery management system architecture before procurement.

Battery Management Selection Notes

Select this component when designing protection circuits for 3 to 5 series connected Lithium-ion cells. It is suitable for applications demanding precise overvoltage detection without significant power consumption. Consider the VSSOP-8 package constraints for PCB layout and thermal management in compact designs.

Battery Management Part Context

This part belongs to Texas Instruments' BQ77205 family of battery protection ICs. These components are engineered specifically for safeguarding multi-cell Lithium-ion configurations against overvoltage conditions, ensuring safety and longevity in portable energy storage solutions.

Battery Management Replacement Considerations

Check for compatible alternatives within the BQ77205 series or other TI battery protection ICs that support 3-5 series cells. Verify pinout compatibility and electrical specifications such as overvoltage thresholds and operating temperature ranges before substitution.