BQ27541DRZT-G1

Battery Management Overview

The BQ27541DRZT-G1 is a single-cell lithium-ion battery fuel gauge designed for pack-side integration. It utilizes the Impedance Track algorithm to provide accurate state-of-charge estimates. The device operates within a supply voltage range of 2.7 V to 5.5 V and supports battery capacities from 300 mAh to 16,000 mAh. It features an I2C interface for host communication and functions in temperatures ranging from -40°C to +85°C. The component is housed in a 12-SON package.

Battery Management Feature Summary

• Implements Impedance Track algorithm for precise state-of-charge estimation
• Supports configurable battery capacity ranges via internal data flash
• Provides digital communication through standard I2C interface

Battery Management Applications

• Wireless sensor networks requiring precise energy reserve monitoring
• Portable electronic devices utilizing single-cell lithium-ion batteries
• Battery pack integration systems needing pack-side fuel gauging

Battery Management Procurement Notes

Verify the specific revision suffix (G1) against current datasheets to ensure compatibility with existing firmware configurations. Confirm that the 12-SON package dimensions align with the target PCB footprint. Check for any process change notifications or material updates issued by Texas Instruments prior to finalizing procurement plans.

Battery Management Selection Notes

Select this component when high accuracy is required for single-cell lithium-ion applications. Ensure the host system supports I2C communication protocols. Verify that the operating temperature range meets the environmental requirements of the end application. Consider the supported capacity range to ensure the internal calibration parameters are suitable for the specific battery cell being monitored.

Battery Management Part Context

This part belongs to the BQ2754x-G1 series of fuel gauges from Texas Instruments. It serves as a successor to earlier versions like the BQ27541-V200, offering updated features while maintaining functional compatibility. The G1 designation indicates specific hardware revisions and feature sets defined in the latest technical documentation.

Battery Management Replacement Considerations

The BQ27541DRZR-G1 is a tape-and-reel alternative to the cut-tape DRZT variant. Earlier versions such as the BQ27541DRZT-V200 may require firmware adjustments due to architectural differences between the V200 and G1 generations.