BQ2201SNTR

Overview

The BQ2201SNTR is a battery gas gauge integrated circuit manufactured by Texas Instruments, designed for single-cell lithium-ion and lithium-polymer batteries. It operates within a supply voltage range of 3V to 5.5V and supports surface-mount installation in a 16-pin SOIC package. The device provides accurate state-of-charge monitoring through coulomb counting and includes programmable parameters for various battery chemistries.

Feature Summary

• Implements coulomb counting for precise state-of-charge calculation
• Supports multiple battery chemistries including Li-ion and Li-Po
• Features programmable parameters for customized battery configurations

Applications

• Portable electronic devices requiring accurate battery level indication
• Laptop computers and tablet PCs
• Medical equipment with single-cell power sources

Procurement Notes

Verify the specific suffix 'SNTR' corresponds to the tape-and-reel packaging format required for automated assembly processes. Confirm that the component meets RoHS compliance standards for your target market regulations. Ensure the operating temperature range aligns with your system's environmental specifications before finalizing procurement.

Selection Notes

Select this component when high accuracy in state-of-charge estimation is critical for single-cell applications. Consider the 16-SOIC package constraints regarding PCB space and thermal management requirements. Evaluate the need for external components such as sense resistors and capacitors to support the gas gauge functionality effectively.

Part Context

This part belongs to the BQ2200 series of battery gas gauges from Texas Instruments. These devices are engineered to provide comprehensive battery monitoring solutions for portable electronics. The series emphasizes ease of integration and reliable performance across various consumer and industrial applications.

Replacement Considerations

Public confirmed substitute part numbers: BQ2201SNR, BQ2201DR.