BQ27000DRKRG4

Battery Management Overview

The BQ27000DRKRG4 is a single-cell lithium-ion and lithium-polymer battery gas gauge IC from the bqJUNIOR family, manufactured by Texas Instruments. Designed for portable applications, it provides accurate state-of-charge monitoring through digital communication interfaces. The device operates within a supply voltage range of 2.6 V to 4.5 V and supports battery capacities between 300 mAh and 6000 mAh. It is housed in a compact VSON-10 surface-mount package suitable for space-constrained designs. The component functions across an industrial temperature range from -20 °C to +70 °C.

Battery Management Feature Summary

• Provides digital fuel gauge functionality for single-cell Li-Ion and Li-Pol batteries
• Supports programmable capacity parameters via I2C interface
• Integrates internal impedance track algorithm for state-of-charge accuracy

Battery Management Applications

• Portable consumer electronics
• Handheld medical devices
• Wireless peripherals

Battery Management Procurement Notes

Verify the specific suffix 'G4' against the manufacturer's current datasheet to confirm RoHS compliance status and lead-free material declarations. Confirm that the VSON-10 package dimensions match your PCB footprint requirements. Check for any product change notifications or lifecycle status updates, such as NRND designation, which may affect long-term availability and design-in decisions for new production runs.

Battery Management Selection Notes

Select this component when designing systems requiring precise single-cell battery monitoring with minimal external component count. Ensure the host microcontroller supports the required I2C communication protocol. Verify that the target application's operating temperature falls within the specified -20 °C to +70 °C range. Consider the supported battery capacity range of 300 mAh to 6000 mAh to ensure compatibility with the chosen cell chemistry and size.

Battery Management Part Context

This part belongs to the bqJUNIOR series of battery management solutions from Texas Instruments. It serves as a cost-effective alternative to more complex fuel gauge families while maintaining essential monitoring capabilities. The DRKR suffix indicates tape-and-reel packaging, facilitating automated assembly processes in high-volume manufacturing environments for portable electronic devices.

Battery Management Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.