BQ27750DRZR

Battery Management Overview

The BQ27750DRZR is a single-cell lithium-ion battery gas gauge and protection solution utilizing Impedance Track technology. It provides accurate state-of-charge monitoring for portable devices. The device integrates protection circuitry to safeguard the battery against over-voltage, under-voltage, and over-current conditions. It operates within a temperature range of -40°C to +85°C and is housed in a compact VSON-12 package suitable for surface-mount assembly.

Battery Management Feature Summary

• Impedance Track fuel gauge algorithm for precise state-of-charge estimation
• Integrated protection circuitry for single-cell lithium-ion batteries
• Supports autonomous charger control via I2C interface

Battery Management Applications

• Portable consumer electronics
• Medical devices
• Industrial handheld tools

Battery Management Procurement Notes

Verify the specific revision suffix (e.g., G1) against current datasheets as legacy variants may have distinct electrical characteristics or pinouts. Confirm availability status with authorized distributors, as older generation components often face supply constraints or obsolescence notices. Ensure the selected package matches the target PCB footprint requirements.

Battery Management Selection Notes

Select this component for applications requiring high accuracy in state-of-charge reporting without complex host controller algorithms. It is suitable for designs where integrated protection reduces bill-of-materials count. Evaluate thermal performance within the specified operating range and ensure the I2C bus timing meets system requirements for reliable communication.

Battery Management Part Context

This part belongs to Texas Instruments' BQ27xxx series of battery management solutions. It represents an earlier generation of Impedance Track gauges designed primarily for single-cell Li-Ion packs. Later revisions such as the BQ27750-G1 introduced updates to calibration parameters and firmware compatibility while maintaining functional equivalence.

Battery Management Replacement Considerations

The BQ27750-G1 is a documented revision within the same family. Verify if the G1 variant offers improved calibration data or updated protection thresholds required by the design. Cross-reference pinouts to ensure mechanical compatibility before substitution.