BQ20851DBTR-V1P2

Battery Management Overview

The BQ20851DBTR-V1P2 is a System Battery Specification (SBS) 1.1 compliant gas gauge integrated circuit manufactured by Texas Instruments. Designed for use with the bq29311, this component operates within a temperature range of -20°C to +85°C and is housed in a 38-pin TSSOP package. It functions as a power supply support circuit featuring an integrated oscillator and adjustable thresholds.

Battery Management Feature Summary

• Complies with SBS 1.1 standards for battery monitoring
• Integrates an internal oscillator for timing operations
• Features adjustable threshold capabilities for voltage monitoring

Battery Management Applications

• Battery management systems requiring SBS 1.1 compliance
• Portable electronic devices utilizing lithium-ion or lithium-polymer batteries
• Systems interfacing with the bq29311 protection controller

Battery Management Procurement Notes

Verify the specific suffix V1P2 against the manufacturer's latest documentation to confirm pinout and functional compatibility. Ensure the 38-TSSOP package dimensions match your PCB footprint requirements. Confirm that the operating temperature range of -20°C to 85°C meets your environmental specifications before finalizing procurement.

Battery Management Selection Notes

Select this component when SBS 1.1 protocol support is required for accurate battery state-of-charge reporting. The integration with the bq29311 makes it suitable for applications needing combined gas gauge and protection functionalities. Consider the 38-pin TSSOP package size relative to available board space and thermal dissipation needs.

Battery Management Part Context

This device belongs to Texas Instruments' portfolio of battery management solutions. It serves as a specialized gas gauge IC designed to work in conjunction with external protection circuits. The part is categorized under power supply support circuits and is intended for precise monitoring in portable electronics.

Battery Management Replacement Considerations

Check for direct substitutes such as the BQ2085 series variants. Verify pin-to-pin compatibility and software register mapping if replacing existing designs. Ensure any alternative maintains SBS 1.1 compliance and bq29311 interface requirements.