BQ7694002DBTR

Battery Management Overview

The BQ7694002DBTR is a battery monitor from the bq76940 family, designed for 9 to 15-series Lithium-ion and Li-phosphate cells. It operates within a supply voltage range of 6 V to 25 V and supports detection threshold voltages starting at 0.7 V. The device features an integrated LDO providing a 3.3 V output and includes CRC capabilities. It is housed in a 44-pin TSSOP package with dimensions of 11 mm length. The component functions as a power supply support circuit with one channel and one function, operating between -40 °C and +85 °C.

Battery Management Feature Summary

• Supports monitoring of 9 to 15-series cell configurations for lithium-ion and lithium-phosphate chemistries
• Integrates a low-dropout regulator (LDO) generating a 3.3 V output
• Includes cyclic redundancy check (CRC) functionality for data integrity
• Features adjustable detection threshold voltages

Battery Management Applications

• Battery management systems for portable electronics
• Power tool battery packs
• Uninterruptible power supply (UPS) modules
• Medical equipment battery subsystems

Battery Management Procurement Notes

Verify the specific suffix DBTR indicates tape-and-reel packaging when sourcing. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the design accommodates the 44-TSSOP footprint and thermal requirements for the specified operating temperature range. Cross-reference the part number against current datasheets to validate pinout and electrical specifications.

Battery Management Selection Notes

Select this component for applications requiring high cell count monitoring up to fifteen series cells. The integrated LDO simplifies power distribution within the battery pack. Verify that the system architecture utilizes I2C communication if digital control is required. Consider the physical dimensions of the 44-TSSOP package during PCB layout planning to ensure adequate clearance and thermal dissipation paths.

Battery Management Part Context

This device belongs to the bq76940 family of battery monitors manufactured by Texas Instruments. The family provides comprehensive protection and measurement capabilities for multi-cell lithium-based batteries. The bq7694002 variant specifically targets higher cell counts compared to lower-series counterparts in the same product line.

Battery Management Replacement Considerations

BQ7694000DBTR and BQ7694003DBTR are related variants within the bq76940 family. Verify pin compatibility and specific configuration differences before substitution.