Produktdetails

Operating temperature range (°C) to
Operating temperature range (°C) to
DSBGA (YAH) 15 5.4488 mm² 2.78 x 1.96
  • Fully integrated battery gas gauge, protector, and authenticator
  • Battery chemistries supported include Li-ion with LCO, NMC, or LFP cathodes and with graphite or silicon anodes
  • Battery fuel gauging based on patented Dynamic Z-Track technology
    • Models battery impedance for accurate time-to-empty predictions for static and dynamic loads
    • Automatically adjusts for aging, temperature, and rate-induced effects on the battery
  • High-accuracy analog front end with two independent ADCs:
    • 18-bit low offset, high resolution delta-sigma ADC for coulomb counting with ±100mV input range
    • 16-bit delta-sigma ADC for cell voltage and internal and external temperature sensors
  • High-side or low-side current sensing for system flexibility
  • Programmable safety and protection:
    • Hardware-level OVP, UVP, OCC, OCD, SCD protections
    • Firmware-level OVP, UVP, OCC, OCD, UT, OT, FETF, CTO, PCHGC, and more...

  • Integrated high efficiency high-side NMOS protection FET drivers
  • Up to 1MHz I2C bus communications interface with 1.2V- and 1.8V-level support
  • ECC ECDSA and SHA-256 authentication support with secure memory
  • Wake from push-button or charger detect

  • True zero-volt charging to support dead battery charging

  • Ultra-compact, 15-ball DSBGA package (YAH)
  • Fully integrated battery gas gauge, protector, and authenticator
  • Battery chemistries supported include Li-ion with LCO, NMC, or LFP cathodes and with graphite or silicon anodes
  • Battery fuel gauging based on patented Dynamic Z-Track technology
    • Models battery impedance for accurate time-to-empty predictions for static and dynamic loads
    • Automatically adjusts for aging, temperature, and rate-induced effects on the battery
  • High-accuracy analog front end with two independent ADCs:
    • 18-bit low offset, high resolution delta-sigma ADC for coulomb counting with ±100mV input range
    • 16-bit delta-sigma ADC for cell voltage and internal and external temperature sensors
  • High-side or low-side current sensing for system flexibility
  • Programmable safety and protection:
    • Hardware-level OVP, UVP, OCC, OCD, SCD protections
    • Firmware-level OVP, UVP, OCC, OCD, UT, OT, FETF, CTO, PCHGC, and more...

  • Integrated high efficiency high-side NMOS protection FET drivers
  • Up to 1MHz I2C bus communications interface with 1.2V- and 1.8V-level support
  • ECC ECDSA and SHA-256 authentication support with secure memory
  • Wake from push-button or charger detect

  • True zero-volt charging to support dead battery charging

  • Ultra-compact, 15-ball DSBGA package (YAH)

The Texas Instruments BQ27Z846 Dynamic Z-Trackgas gauge device is a fully integrated and accurate,1-series cell gas gauge, protection, and authentication option.

The BQ27Z846 gas gauge communicates through an I2C compatible interface and combines an ultra-low power RISC processor, high accuracy analog measurement capabilities, integrated flash memory, high-side NMOS FET drivers, and ECC ECDSA and SHA-2 authentication to provide a complete, high-performance battery management option.

The Texas Instruments BQ27Z846 Dynamic Z-Trackgas gauge device is a fully integrated and accurate,1-series cell gas gauge, protection, and authentication option.

The BQ27Z846 gas gauge communicates through an I2C compatible interface and combines an ultra-low power RISC processor, high accuracy analog measurement capabilities, integrated flash memory, high-side NMOS FET drivers, and ECC ECDSA and SHA-2 authentication to provide a complete, high-performance battery management option.

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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Datum
* Data sheet BQ27Z846 Dynamic Z-Track™ Gauge with Integrated Protection and Authentication for 1 Cell Battery Packs datasheet PDF | HTML 30 Apr 2026
User guide BQ27z846 Technical Reference Manual PDF | HTML 03 Sep 2025
Application note Dynamic Z-Track™ Technology: An Advanced Battery Gauging Algorithm for Dynamic Load Applications (Rev. A) PDF | HTML 15 Jul 2025
Application note Implementation of Elliptic Curve Cryptography Authentication on TI Battery Fuel Gauges PDF | HTML 28 Mai 2025
Application note How to Create and Program Authentication Keys into TI Battery Fuel Gauges PDF | HTML 05 Mär 2025
Application note Battery Gauging Algorithm Comparison PDF | HTML 04 Dez 2023

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Firmware

BQ27Z846-FW BQ27Z846 device firmware

Unterstützte Produkte und Hardware

Unterstützte Produkte und Hardware

Download-Optionen
Software-Programmiertool

BQ-BMS-PROGRAMMER-SW Command line programmers for BQ products

BQ-BATTERY-PROGRAMMER-SW software development kit (SDK) is a collection of robust software command line tools that assist with the process of programming, testing, or assembling packs that use TI Battery management products. The executables in this software work with the MKST-3P-ALT-EV2300 MKS (...)

Unterstützte Produkte und Hardware

Unterstützte Produkte und Hardware

Download-Optionen
Designtool

BQ27Z846-DS BQ27z846 documentation & software

Early access to bq27z846 documentation and assets. PLEASE DO NOT SEND OVER EMAIL. CUSTOMERS CAN REUQEST ACCESS.
Unterstützte Produkte und Hardware

Unterstützte Produkte und Hardware

Simulationstool

BQAMBER-SIM-TOOL BGP release page for BQAMBER-SIM-TOOLS

BGP release page for BQAMBER-SIM-TOOLS
Unterstützte Produkte und Hardware

Unterstützte Produkte und Hardware

Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
DSBGA (YAH) 15 Ultra Librarian

Bestellen & Qualität

Beinhaltete Information:
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  • REACH
  • Bausteinkennzeichnung
  • Blei-Finish/Ball-Material
  • MSL-Rating / Spitzenrückfluss
  • MTBF-/FIT-Schätzungen
  • Materialinhalt
  • Qualifikationszusammenfassung
  • Kontinuierliches Zuverlässigkeitsmonitoring
Beinhaltete Information:
  • Werksstandort
  • Montagestandort

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Support und Schulungen

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