Indicador, supervisor y protector de carga de batería altamente integrada de iones de litio de serie

Detalles del producto

Cell chemistry Li-Ion/Li-Polymer, LiFePO4 Number of series cells 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, >4 Cells Communication interface I2C, SMBus Battery capacity (min) (mAh) 100 Battery capacity (max) (mAh) 65000 Implementation Pack Features Cell balancing, Dynamic Z-Track™ technology, ECC authentication, Integrated Protector, SHA-256 Authentication, Turbo Mode Operating temperature range (°C) -40 to 105 Cell balancing External, Internal Rating Catalog
Cell chemistry Li-Ion/Li-Polymer, LiFePO4 Number of series cells 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, >4 Cells Communication interface I2C, SMBus Battery capacity (min) (mAh) 100 Battery capacity (max) (mAh) 65000 Implementation Pack Features Cell balancing, Dynamic Z-Track™ technology, ECC authentication, Integrated Protector, SHA-256 Authentication, Turbo Mode Operating temperature range (°C) -40 to 105 Cell balancing External, Internal Rating Catalog
HTQFP (PVP) 64 81 mm² (9 mm × 9 mm)
  • Highly integrated battery pack manager for 3 to 16 cells in series applications
    • Ultra-low power 32-bit RISC processor
    • ADC measurements for up to 16 cells in series with 80V tolerance
    • High Accuracy SoC and SoH with Dynamic Z Track™ gauging algorithm
    • Certificate-based security protected flash memory
  • Precision analog front end with two independent ADCs:
    • High-accuracy 18-bit integrating delta-sigma coulomb counter
    • High-accuracy 16-bit delta-sigma with input translation and multiplexer
    • Support for simultaneous current and voltage sampling
    • Supports up to eight external thermistor measurements and an internal temperature sensor
  • Strong High-side NMOS FET drive with fast turn-on and turn-off time
  • Charge pump support for pre-charge and pre-discharge NMOS FET drivers
  • Parallel configuration support for removable battery with separate charger and system ports
  • Cell balancing support up to 50mA bypass per cell
  • Diagnostic lifetime data monitor and recorder
  • Multiple host communication support:
    • I2C (up to 1MHz )
    • SMBus 3.2 (up to 1MHz)
  • Multiple power modes for low quiescent current operation
  • SHA-1, SHA-2, or EC-KCDSA authentication for robust battery pack security
  • Highly integrated battery pack manager for 3 to 16 cells in series applications
    • Ultra-low power 32-bit RISC processor
    • ADC measurements for up to 16 cells in series with 80V tolerance
    • High Accuracy SoC and SoH with Dynamic Z Track™ gauging algorithm
    • Certificate-based security protected flash memory
  • Precision analog front end with two independent ADCs:
    • High-accuracy 18-bit integrating delta-sigma coulomb counter
    • High-accuracy 16-bit delta-sigma with input translation and multiplexer
    • Support for simultaneous current and voltage sampling
    • Supports up to eight external thermistor measurements and an internal temperature sensor
  • Strong High-side NMOS FET drive with fast turn-on and turn-off time
  • Charge pump support for pre-charge and pre-discharge NMOS FET drivers
  • Parallel configuration support for removable battery with separate charger and system ports
  • Cell balancing support up to 50mA bypass per cell
  • Diagnostic lifetime data monitor and recorder
  • Multiple host communication support:
    • I2C (up to 1MHz )
    • SMBus 3.2 (up to 1MHz)
  • Multiple power modes for low quiescent current operation
  • SHA-1, SHA-2, or EC-KCDSA authentication for robust battery pack security

The Texas Instruments BQ41Z90 is a fully integrated pack-based battery pack manager solution, that provides a flash programmable CPU, safety protection, and elliptical curve cryptography (ECC) authentication for 3 to 16 cells in series Li-ion, LiFeP4, NiMH, and Li-polymer battery packs.

The BQ41Z90 battery pack manager communicates through SMBus v3.2 or I2C-compatible interfaces, and combines an ultra-low-power, high-speed 32-bit processor, high-accuracy analog measurement capabilities, integrated flash memory, an array of peripheral IO, an NMOS protection FET drive, and a SHA-1, SHA-2, or EC-KCDSA authentication responder into a complete, high-performance battery management solution.

The Texas Instruments BQ41Z90 is a fully integrated pack-based battery pack manager solution, that provides a flash programmable CPU, safety protection, and elliptical curve cryptography (ECC) authentication for 3 to 16 cells in series Li-ion, LiFeP4, NiMH, and Li-polymer battery packs.

The BQ41Z90 battery pack manager communicates through SMBus v3.2 or I2C-compatible interfaces, and combines an ultra-low-power, high-speed 32-bit processor, high-accuracy analog measurement capabilities, integrated flash memory, an array of peripheral IO, an NMOS protection FET drive, and a SHA-1, SHA-2, or EC-KCDSA authentication 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 BQ41Z90 Highly Integrated 3–16 Cell Battery Fuel Gauge with IT-DZT Algorithm and ECC Authentication datasheet (Rev. A) PDF | HTML 21/12/2024
* Guía del usuario BQ41z90 Technical Reference Manual 12/09/2024
Nota sobre la aplicación Dynamic Z-Track™ Technology: An Advanced Battery Gauging Algorithm for Dynamic Load Applications (Rev. A) PDF | HTML 15/07/2025
Artículo técnico Redefining battery accuracy: How the Dynamic Z-Track™ algorithm predicts unpredictable battery loads PDF | HTML 28/06/2025
Product overview Industry-First Fully Integrated 3-16S Battery Fuel Gauge, Monitor, and Protector, with Dynamic Z-Track PDF | HTML 7/03/2025
Nota sobre la aplicación How to Create and Program Authentication Keys into TI Battery Fuel Gauges PDF | HTML 5/03/2025

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

BQ41Z90EVM — Módulo de evaluación BQ41Z90

El BQ41Z90EVM es un sistema completo para evaluar la funcionalidad del indicador de combustible de BQ41Z90. Este medidor es adecuado para aplicaciones alimentadas por sistemas de baterías multicelulares de hasta 16 celdas en serie. El módulo de evaluación (EVM) incluye un módulo de circuito (...)
Guía del usuario: PDF | HTML
Productos y hardware compatibles
En inventario
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No disponible
Software de aplicación y estructura

BQSTUDIO-TEST — Battery Management Studio (bqStudio) Software – Beta version downloads

Battery Management Studio (bqStudio) ofrece un conjunto completo de herramientas robustas para ayudar con el proceso de evaluación, diseño, configuración, prueba o utilización de productos de gestión de baterías de TI. Esto incluye funciones que (...)

Productos y hardware compatibles
Firmware

BQ41Z90-FW — BQ41Z90 device firmware

Productos y hardware compatibles
GUI para el módulo de evaluación (EVM)

BQSTUDIO-GUI — Battery Management Studio (bqStudio) Software - Web Based Version

Battery Management Studio (bqStudio) ofrece un conjunto completo de herramientas robustas para ayudar con el proceso de evaluación, diseño, configuración, prueba o utilización de productos de gestión de baterías de TI. Esto incluye funciones que proporcionan acceso completo a registros y memoria de (...)

Productos y hardware compatibles
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
HTQFP (PVP) 64 Ultra Librarian

Pedidos y calidad

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Soporte y capacitación

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