BQ771825DPJR

Battery Management Overview

The BQ771825DPJR is a battery protection integrated circuit from the Texas Instruments BQ7718 series, designed for 2 to 5-series lithium-ion and lithium-polymer battery packs. It functions as an overvoltage protector with a specific output voltage threshold of 250 mV. The device operates within a supply voltage range of 3 V to 25 V and features a quiescent current of 14 mA. Packaged in an 8-pin WSON (3x4 mm) surface-mount footprint, it supports operation across a temperature range of -40°C to +85°C.

Battery Management Feature Summary

• Provides overvoltage protection for multi-cell lithium-based battery configurations
• Operates with low power consumption suitable for portable applications
• Utilizes a compact surface-mount package for space-constrained designs

Battery Management Applications

• Portable electronic devices requiring multi-cell battery management
• Power tools utilizing lithium-ion battery packs
• Medical equipment with sealed battery systems
• Uninterruptible power supplies for consumer electronics

Battery Management Procurement Notes

Verify the specific suffix DPJR against official datasheets to confirm tape-and-reel packaging and lead-free status. Ensure compatibility with the target cell count and voltage thresholds before procurement. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components. Confirm RoHS compliance requirements match project specifications.

Battery Management Selection Notes

Select this component when designing systems requiring dedicated overvoltage protection for 2 to 5 series cells. Compare the 250 mV output threshold against other variants in the BQ7718 family to ensure alignment with system safety limits. Consider the WSON-8 package constraints for PCB layout and thermal management during selection.

Battery Management Part Context

This component belongs to the BQ7718 family of battery protection ICs from Texas Instruments. The family offers various overvoltage thresholds tailored for different battery chemistries and cell counts. The BQ771825 variant specifically addresses applications needing precise voltage monitoring for standard lithium-ion or polymer cells in series configurations.

Battery Management Replacement Considerations

Check the BQ7718xx datasheet for alternative part numbers with matching overvoltage thresholds and pin-compatible packages. Verify that any substitute maintains the same operating voltage range and temperature specifications.