BQ75614-Q1

ACTIVO

Monitor de precisión, equilibrador y protector integrado de batería de 16 S conforme a ASIL-D para a

Detalles del producto

Number of series cells (min) 6 Vin (max) (V) 80 Features Cell balancing, Integrated ADC, Multi-cell support, Open-wire detection, Overtemperature protection, Overvoltage protection, Separate MCU requirement, Stackable (built-in interface), Temperature sensing, Undertemperature protection, Undervoltage protection Device type Cell monitor and balancer Number of series cells (max) 14 Operating temperature range (°C) -40 to 125 Rating Automotive Battery overvoltage protection (min) (V) 2.7 Battery overvoltage protection (max) (V) 4.5 TI functional safety category Functional Safety-Compliant Communication interface UART Operating current (typ) (µA) 9000
Number of series cells (min) 6 Vin (max) (V) 80 Features Cell balancing, Integrated ADC, Multi-cell support, Open-wire detection, Overtemperature protection, Overvoltage protection, Separate MCU requirement, Stackable (built-in interface), Temperature sensing, Undertemperature protection, Undervoltage protection Device type Cell monitor and balancer Number of series cells (max) 14 Operating temperature range (°C) -40 to 125 Rating Automotive Battery overvoltage protection (min) (V) 2.7 Battery overvoltage protection (max) (V) 4.5 TI functional safety category Functional Safety-Compliant Communication interface UART Operating current (typ) (µA) 9000
HTQFP (PAP) 64 144 mm² 12 x 12
  • Qualified for automotive applications
  • AEC-Q100 Qualified with the following results:
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature range
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C4B
  • Functional Safety-Compliant
  • +/- 1.5mV ADC accuracy
  • Pin-package and software compatible device family:
    • Stackable monitor 16S (BQ79616-Q1, BQ79616H-Q1, BQ79656-Q1) , 14S (BQ79614-Q1, BQ79654-Q1), and 12S (BQ79612-Q1, BQ79652-Q1)
    • Standalone monitor 48 V system (BQ75614-Q1)
  • Supports current-sense measurement
  • Direct support on fuse and relay open and close diagnostics
  • Built-in redundancy path for voltage and temperature and current diagnostics
  • Highly accurate cell voltage measurements within 128 µs for all cell channels
  • Integrated post-ADC configurable digital low-pass filters
  • Built-in host-controlled hardware reset to emulate POR-like device reset
  • Supports internal cell balancing
    • Balancing current at 240 mA
    • Built-in balancing thermal management with automatic pause and resume control
  • 5 V LDO output to power external digital isolator
  • UART host interface
  • Built-in SPI master
  • Qualified for automotive applications
  • AEC-Q100 Qualified with the following results:
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature range
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C4B
  • Functional Safety-Compliant
  • +/- 1.5mV ADC accuracy
  • Pin-package and software compatible device family:
    • Stackable monitor 16S (BQ79616-Q1, BQ79616H-Q1, BQ79656-Q1) , 14S (BQ79614-Q1, BQ79654-Q1), and 12S (BQ79612-Q1, BQ79652-Q1)
    • Standalone monitor 48 V system (BQ75614-Q1)
  • Supports current-sense measurement
  • Direct support on fuse and relay open and close diagnostics
  • Built-in redundancy path for voltage and temperature and current diagnostics
  • Highly accurate cell voltage measurements within 128 µs for all cell channels
  • Integrated post-ADC configurable digital low-pass filters
  • Built-in host-controlled hardware reset to emulate POR-like device reset
  • Supports internal cell balancing
    • Balancing current at 240 mA
    • Built-in balancing thermal management with automatic pause and resume control
  • 5 V LDO output to power external digital isolator
  • UART host interface
  • Built-in SPI master

The BQ75614-Q1 device provides high-accuracy cell voltage measurements up to 16S battery modules in less than 200 µs while these devices also support shunt-resistor current sense measurement. The integrated front-end filters enable the system to implement with simple, low voltage rated, differential RC filters on the cell input channels. The integrated, post-ADC, low-pass filters enable filtered, DC-like, voltage measurements. This device also supports integrated current sensing capabilities with option to synchronize with cell voltage measurements for better state of charge (SOC) calculation. The device supports autonomous internal cell balancing with temperature monitoring to auto-pause and resume balancing to avoid an overtemperature condition.

This device also includes eight GPIOs or auxiliary inputs that can be used for external thermistor measurements.

Host communication to the BQ75614-Q1 can be connected via the device’s dedicated UART interface.

All references to the BQ79616-Q1 device also apply to the BQ79616H-Q1 device.

The BQ75614-Q1 device provides high-accuracy cell voltage measurements up to 16S battery modules in less than 200 µs while these devices also support shunt-resistor current sense measurement. The integrated front-end filters enable the system to implement with simple, low voltage rated, differential RC filters on the cell input channels. The integrated, post-ADC, low-pass filters enable filtered, DC-like, voltage measurements. This device also supports integrated current sensing capabilities with option to synchronize with cell voltage measurements for better state of charge (SOC) calculation. The device supports autonomous internal cell balancing with temperature monitoring to auto-pause and resume balancing to avoid an overtemperature condition.

This device also includes eight GPIOs or auxiliary inputs that can be used for external thermistor measurements.

Host communication to the BQ75614-Q1 can be connected via the device’s dedicated UART interface.

All references to the BQ79616-Q1 device also apply to the BQ79616H-Q1 device.

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BQ79616-Q1 ACTIVO Monitor automotriz de precisión de batería 16-S, equilibrador y protector integrado conforme a ASIL- Pin compatible with BQ75614-Q1. Same 64-pin QFP package without the current sensing feature.
BQ79656-Q1 ACTIVO Monitores de precisión de batería 16-S para automoción, equilibrador, sensor de corriente conforme a Pin compatible with BQ75614-Q1. Same 64-pin QFP package without the sackable feature.

Documentación técnica

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Tipo Título Fecha
* Data sheet BQ75614-Q1 14S or 16S Standalone Precision Automotive Battery Monitor, Balancer and Integrated Current Sense datasheet (Rev. B) PDF | HTML 30 oct 2023
EVM User's guide BQ79616-Q1, BQ75614-Q1, BQ79656-Q1 Evaluation Modules User's Guide (Rev. C) PDF | HTML 30 ago 2023
Application note BQ79616-Q1 Software Design Reference (Rev. B) PDF | HTML 21 ago 2023
More literature BMS solutions for 48-V and 400-V/800-V EV/HEV batteries 14 dic 2021
Technical article Save space, time and bill of materials with a smarter BMS for 48-V systems PDF | HTML 08 sep 2021
User guide BQ79616-Q1 and BQ75614-Q1 Graphical User Interface (GUI) User's Guide 14 dic 2020
Technical article Enhance thermal management in EVs with autonomous cell balancing PDF | HTML 09 dic 2020
Technical article Conserve battery power in HEV/EVs with automatic host reverse wakeup PDF | HTML 04 dic 2020
Functional safety information Functional Safety Considerations in Battery Management for Vehicles 17 sep 2020
Functional safety information BQ75614-Q1 – The Highest Functional Safety Level and Performance for 48-V System 13 sep 2019

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

BQ75614EVM-021 — Monitor de precisión con protector de hardware integrado y módulo de evaluación de detección de corr

El BQ75614EVM es un módulo de evaluación (EVM) para el BQ75614‑Q1. El BQ75614-Q1 proporciona mediciones de tensión de celda de alta precisión para 6 a 14 celdas de batería. Con la inclusión de un ADC de monitor de corriente integrado, el dispositivo BQ75614-Q1 también puede proporcionar mediciones (...)
Guía del usuario: PDF | HTML
Soporte de software

SLVC810 BQAutoEval GUI 1.0.4

Productos y hardware compatibles

Productos y hardware compatibles

Productos
Monitores y equilibradores de batería
BQ75614-Q1 Monitor de precisión, equilibrador y protector integrado de batería de 16 S conforme a ASIL-D para a BQ79600-Q1 Interfaz de comunicación SPI/UART para automoción compatible con seguridad funcional con activación BQ79616-Q1 Monitor automotriz de precisión de batería 16-S, equilibrador y protector integrado conforme a ASIL-
Desarrollo de hardware
Placa de evaluación
BQ75614EVM-021 Monitor de precisión con protector de hardware integrado y módulo de evaluación de detección de corr BQ79616EVM-021 Módulo de evaluación BQ79616 para monitor de precisión de batería 16-S, equilibrador y protector int BQ79656EVM-021 Módulo de evaluación del monitor de precisión de batería 16-S con equilibrador y protector integrado
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
HTQFP (PAP) 64 Ultra Librarian

Pedidos y calidad

Información incluida:
  • RoHS
  • REACH
  • Marcado del dispositivo
  • Acabado de plomo/material de la bola
  • Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje

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