BQ2050SN-D119TR

Battery Management Overview

The BQ2050SN-D119TR is a lithium-ion gas gauge IC from Texas Instruments, designed for battery management applications. It operates within a supply voltage range of 3 V to 6.5 V and supports battery capacities between 500 mAh and 6000 mAh. The device features an output current capability of 11 mA and functions reliably across an operating temperature range of 0 °C to +70 °C. Packaged in a 16-pin NSOIC format with surface-mount installation, this component utilizes the HDQ interface for communication.

Battery Management Feature Summary

• Provides fuel gauge monitoring for lithium-ion and lithium-polymer batteries
• Integrates high-speed 1-Wire (HDQ) interface for data communication
• Includes five LED drivers for status indication

Battery Management Applications

• Lithium-ion battery pack monitoring
• Lithium-polymer battery management systems
• Portable electronic devices requiring fuel gauge functionality

Battery Management Procurement Notes

Verify end-of-life status carefully as discontinuation notifications exist for this product family. Confirm package type and interface compatibility with existing designs. Check humidity sensitivity requirements for storage and handling procedures. Validate that the specific suffix matches the required reel packaging configuration.

Battery Management Selection Notes

Select this component for applications requiring precise state-of-charge estimation for single-cell lithium batteries. Ensure the system design accommodates the 16-pin SOIC footprint and thermal constraints. Verify that the HDQ interface protocol aligns with the host microcontroller capabilities. Consider the operational temperature limits when designing for extreme environmental conditions.

Battery Management Part Context

This part belongs to the BQ2050 series of fuel gauges, which are widely used in portable electronics. The series offers a balance of accuracy and simplicity for battery monitoring tasks. The SN-D119 variant specifies the standard commercial grade performance and packaging configuration suitable for general consumer applications.

Battery Management Replacement Considerations

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