BQ27Z758

ACTIVO

Indicador de carga de batería Impedance Track™ serie 1 y protección con carga de 0 V real

Detalles del producto

Cell chemistry Li-Ion/Li-Polymer, LiFePO4 Number of series cells Single Cell Communication interface HDQ, I2C Battery capacity (min) (mAh) 100 Battery capacity (max) (mAh) 32000 Implementation Pack External capacity indication None Features Impedance Track™ algorithm, Integrated Protector, SHA-256 Authentication Operating temperature range (°C) -40 to 85 Rating Catalog
Cell chemistry Li-Ion/Li-Polymer, LiFePO4 Number of series cells Single Cell Communication interface HDQ, I2C Battery capacity (min) (mAh) 100 Battery capacity (max) (mAh) 32000 Implementation Pack External capacity indication None Features Impedance Track™ algorithm, Integrated Protector, SHA-256 Authentication Operating temperature range (°C) -40 to 85 Rating Catalog
DSBGA (YAH) 15 5.4488 mm² (2.78 mm × 1.96 mm)
  • Integrated battery gas gauge and protector
  • Flash-programmable custom BQBMP RISC CPU
    • SHA-256 authentication
    • 400kHz I2C bus communications interface
  • Low-voltage (2.0V) operation
  • Zero volt charging with no inhibit (ZVCHG) for systems with secondary protectors
  • Two independent precision 16-bit ADCs
    • Coulomb counting ADC with current sense resistor down to 1mΩ
    • Voltage ADC for cell voltage and external and internal temperature sensors
  • Battery fuel gauging based on patented Impedance Track™ technology
    • Models battery discharge curve for accurate time-to-empty predictions
    • Automatically adjusts for aging, temperature, and rate-induced effects on the battery
  • Battery Kelvin sense differential analog output pins with built-in protection
  • High-side or low-side current sensing
  • Programmable hardware-based protection
    • High-side FET gate drivers
    • Overvoltage and undervoltage (OVP and UVP)
    • Overcurrent in discharge and overcurrent in charge (OCD and OCC)
    • Short circuit in discharge (SCD)
    • Firmware-based overtemperature (OT)
  • Reduced typical power modes
    • SLEEP mode: 20µA
    • SHIP mode: 10µA
    • SHELF mode: 5µA
    • SHUTDOWN mode: 0.2µA
  • Ultra-compact, 15-ball NanoFree™ DSBGA
  • Integrated battery gas gauge and protector
  • Flash-programmable custom BQBMP RISC CPU
    • SHA-256 authentication
    • 400kHz I2C bus communications interface
  • Low-voltage (2.0V) operation
  • Zero volt charging with no inhibit (ZVCHG) for systems with secondary protectors
  • Two independent precision 16-bit ADCs
    • Coulomb counting ADC with current sense resistor down to 1mΩ
    • Voltage ADC for cell voltage and external and internal temperature sensors
  • Battery fuel gauging based on patented Impedance Track™ technology
    • Models battery discharge curve for accurate time-to-empty predictions
    • Automatically adjusts for aging, temperature, and rate-induced effects on the battery
  • Battery Kelvin sense differential analog output pins with built-in protection
  • High-side or low-side current sensing
  • Programmable hardware-based protection
    • High-side FET gate drivers
    • Overvoltage and undervoltage (OVP and UVP)
    • Overcurrent in discharge and overcurrent in charge (OCD and OCC)
    • Short circuit in discharge (SCD)
    • Firmware-based overtemperature (OT)
  • Reduced typical power modes
    • SLEEP mode: 20µA
    • SHIP mode: 10µA
    • SHELF mode: 5µA
    • SHUTDOWN mode: 0.2µA
  • Ultra-compact, 15-ball NanoFree™ DSBGA

The Texas Instruments BQ27Z758 Impedance Track™ gas gauge solution is a highly integrated, accurate 1-series cell gas gauge and protection solution.

The BQ27Z758 device provides a fully integrated, pack-based solution with a flash programmable custom reduced instruction-set CPU (RISC), safety protection, differential battery sensing analog output, and authentication for 1-series cell Li-ion and Li-polymer battery packs.

The BQ27Z758 gas gauge communicates through an I2C compatible interface and combines an ultra-low power TI BQBMP processor, high accuracy analog measurement capabilities, integrated flash memory, N-CH high-side FET drive, and a SHA-2 Authentication transform responder into a complete, high-performance battery management solution.

The Texas Instruments BQ27Z758 Impedance Track™ gas gauge solution is a highly integrated, accurate 1-series cell gas gauge and protection solution.

The BQ27Z758 device provides a fully integrated, pack-based solution with a flash programmable custom reduced instruction-set CPU (RISC), safety protection, differential battery sensing analog output, and authentication for 1-series cell Li-ion and Li-polymer battery packs.

The BQ27Z758 gas gauge communicates through an I2C compatible interface and combines an ultra-low power TI BQBMP processor, high accuracy analog measurement capabilities, integrated flash memory, N-CH high-side FET drive, and a SHA-2 Authentication transform responder into a complete, high-performance battery management solution.

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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos BQ27Z758 Impedance Track Technology Battery Gas Gauge and Protection Solution for 1-Series Cell Li-Ion Battery Packs datasheet (Rev. C) PDF | HTML 11/09/2025
* Guía del usuario BQ27Z746-R1 and BQ27Z758 Technical Reference Manual (Rev. E) PDF | HTML 18/06/2026
Nota sobre la aplicación How to Create and Program Authentication Keys into TI Battery Fuel Gauges PDF | HTML 5/03/2025
Nota sobre la aplicación BQ27Z746 Hardware Protection Threshold Calibration PDF | HTML 2/12/2024
Nota sobre la aplicación Design Flexibility for Reverse Charge Protection Using BQ27Z746 PDF | HTML 2/08/2023

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Placa de evaluación

BQ27Z746EVM-047 — Módulo de evaluación de BQ27Z746 para indicador de gas de batería con tecnología Impedance Track™ y

El módulo de evaluación (EVM) BQ27Z746EVM‑047 es un sistema de evaluación completo para el gestor de baterías BQ27Z746. El EVM incluye BQ27Z746 con módulo de circuito de protección integrado y un enlace al software de PC basado en Windows®. El circuito integrado (IC) BQ27Z746 y todos los (...)

Guía del usuario: PDF | HTML
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En inventario
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No disponible
Firmware

BQ27Z758-FW — BQ27Z758 device firmware

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Herramienta de programación de software

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

El kit de desarrollo de software (SDK) BQ-BATTERY-PROGRAMMER-SW es una colección de herramientas de línea de comandos de software robustas que ayudan con el proceso de programación, prueba o ensamblaje de paquetes que utilizan productos de administración de baterías de TI. Los ejecutables de este (...)

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Pedidos y calidad

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Soporte y capacitación

Foros de TI E2E™ con asistencia técnica de los ingenieros de TI

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