BQ27425YZFR-G2B

Battery Management Overview

The BQ27425YZFR-G2B is a system-side Impedance Track fuel gauge designed for single-cell lithium-ion and lithium-polymer batteries. It operates within a supply voltage range of 2.8 V to 4.5 V and supports an output voltage of 2.6 V. The device accommodates battery capacities from 100 mAh to 4000 mAh. It utilizes a DSBGA-15 package with surface-mount installation. The component functions across a temperature range of -40°C to +85°C.

Battery Management Feature Summary

• Implements the Impedance Track algorithm for accurate state-of-charge monitoring
• Provides system-side fuel gauging capabilities for portable electronics
• Supports configuration via I2C interface

Battery Management Applications

• Portable medical devices
• Handheld instruments
• Consumer electronics

Battery Management Procurement Notes

Verify the specific revision suffix G2B against the manufacturer's current datasheet to ensure compatibility with required firmware configurations. Confirm that the DSBGA-15 footprint matches the design layout. Check RoHS compliance status in the official documentation before finalizing procurement specifications.

Battery Management Selection Notes

Select this component when precise state-of-charge accuracy is required for single-cell Li-ion or Li-Po applications. Ensure the host system supports the necessary I2C communication protocol. Verify that the operating temperature range meets the environmental requirements of the target application.

Battery Management Part Context

This part belongs to the Texas Instruments BQ27425 series, which focuses on advanced fuel gauging solutions. The G2B designation indicates a specific generation or revision within the Impedance Track family, offering updated features compared to earlier versions like the G1 series.

Battery Management Replacement Considerations

Publicly confirmed substitutes include other revisions within the BQ27425 series such as BQ27425YZFT-G2B or BQ27425YZFR-G1, provided pinout and functional compatibility are verified through official change lists.