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BQ20851DBT-TI is listed in the Battery Management range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC BATT MON LI-ION 3-4CL 38TSSOP. Review the specifications below when checking this part for your BOM.
Battery Management specifications for BQ20851DBT-TI
- Description：IC BATT MON LI-ION 3-4CL 38TSSOP
- Series：-
- Mfr：Texas Instruments
- Package：Bulk
- Function：Battery Monitor
- Battery Chemistry：Lithium Ion/Polymer
- Number of Cells：3 ~ 4
- Fault Protection：-
- Interface：Serial
- Operating Temperature：-20°C ~ 85°C (TA)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：38-TFSOP (0.173", 4.40mm Width)
- Supplier Device Package：38-TSSOP
Battery Management datasheet and documents for BQ20851DBT-TI
Battery Management Overview
The BQ20851DBT-TI is a System Battery Specification (SBS) 1.1 compliant gas gauge integrated circuit manufactured by Texas Instruments. Designed for use with the bq29311 protection device, it monitors lithium-ion and lithium-polymer battery packs consisting of 3 to 4 cells. The component operates within an extended temperature range of -20°C to 85°C and utilizes a 38-pin TSSOP package. It features an integrated oscillator and serial interface for communication.
Battery Management Feature Summary
- Complies with SBS 1.1 standards for standardized battery data reporting
- Integrates an internal oscillator to reduce external component count
- Specifically designed for compatibility with the bq29311 protection IC
Battery Management Applications
- Lithium-ion battery pack monitoring in portable electronics
- Lithium-polymer battery management systems
- Smart battery applications requiring SBS 1.1 compliance
Battery Management Procurement Notes
Verify the exact part number suffix against official Texas Instruments documentation to confirm package type and temperature grade. Ensure compatibility with the bq29311 protection circuit during system design. Confirm RoHS compliance status through current manufacturer datasheets before procurement.
Battery Management Selection Notes
Select this component when SBS 1.1 compliance is required for battery data exchange. It is suitable for 3-to-4 cell lithium-based chemistries. Consider the 38-TSSOP footprint and operating temperature range relative to the target application environment.
Battery Management Part Context
This device belongs to the Texas Instruments battery management portfolio, specifically focusing on fuel gauging solutions. It complements protection ICs like the bq29311 to provide comprehensive battery safety and state-of-charge information for mobile devices and power tools.
Battery Management Replacement Considerations
Consult official substitution guides for equivalent SBS-compliant gas gauges from Texas Instruments or other manufacturers. Verify pinout compatibility and software configuration requirements before replacing existing designs.
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