BQ296115DSGR

Battery Management Overview

The BQ296115DSGR is a battery protection integrated circuit from Texas Instruments designed for lithium-ion battery packs. It functions as an overvoltage protector for series configurations ranging from two to four cells. The device incorporates a low-dropout regulator (LDO) output, providing a stable voltage supply for external monitoring or control circuitry. It operates within a wide input voltage range of 3 V to 20 V and supports surface-mount installation in an 8-pin WSON package. The component is rated for industrial temperature ranges up to +110°C.

Battery Management Feature Summary

• Integrated overvoltage protection mechanism specifically engineered for multi-cell lithium-ion battery stacks
• Built-in LDO output capability to supply auxiliary circuits without additional regulation components
• Compact surface-mount packaging optimized for high-density printed circuit board layouts

Battery Management Applications

• Protection circuits for portable electronic devices utilizing multi-cell lithium-ion batteries
• Battery management systems in consumer electronics requiring overvoltage safeguards
• Industrial equipment with modular battery packs needing cell-level voltage monitoring

Battery Management Procurement Notes

Verify the specific suffix against official Texas Instruments documentation to confirm pinout and electrical characteristics. Ensure the ordering part number matches the required package variant and tape-and-reel specifications. Cross-reference the datasheet revision date to validate technical parameters before integration into design files.

Battery Management Selection Notes

Select this component when designing protection schemes for two to four series lithium-ion cells. The integrated LDO simplifies power delivery to monitoring logic. Confirm that the operating voltage range aligns with the maximum pack voltage. Evaluate thermal performance requirements against the specified junction temperature limits for the target application environment.

Battery Management Part Context

This device belongs to the BQ2961 family of battery protection ICs. It shares functional similarities with other members like the BQ296107 and BQ296113 but differs in specific output configurations and protection thresholds. The family targets cost-sensitive applications requiring reliable overvoltage detection without complex external sensing networks.

Battery Management Replacement Considerations

Direct substitutes include BQ296107DSGR and BQ296113DSGT. Verify compatibility regarding LDO output voltage levels and protection thresholds. Ensure package dimensions and pin assignments match the existing footprint to avoid rework.