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Monitores y equilibradores de batería

BQ79606A-Q1

ACTIVO

Monitor de precisión de batería para automoción 6-S, equilibrador y protector integrado conforme a A

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BQ79616-Q1 ACTIVO Monitor de batería de precisión de 16 S, equilibrador y protector integrado conforme a ASIL-D para a ASIL-D compliant with improved cell voltage measurements within 200 µs for all cell channels and balancing current up to 240 mA

BQ79606A-Q1

ACTIVO
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Detalles del producto

Number of series cells (min) 3 Vin (max) (V) 33 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) 6 Operating temperature range (°C) -40 to 105 Rating Automotive Battery overvoltage protection (min) (V) 2 Battery overvoltage protection (max) (V) 5 TI functional safety category Functional Safety-Compliant Communication interface Differential Daisy Chain, UART Operating current (typ) (µA) 4200
Number of series cells (min) 3 Vin (max) (V) 33 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) 6 Operating temperature range (°C) -40 to 105 Rating Automotive Battery overvoltage protection (min) (V) 2 Battery overvoltage protection (max) (V) 5 TI functional safety category Functional Safety-Compliant Communication interface Differential Daisy Chain, UART Operating current (typ) (µA) 4200
HTQFP (PHP) 48 81 mm² 9 x 9
  • Qualified for automotive applications
  • AEC-Q100 Qualified with the following results:
    • Device temperature grade 2: –40°C to +105°C ambient operating temperature range
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C4B
  • Voltage monitor, temperature monitor and communication functions: SafeTI™-26262 ASIL-D compliant
  • ± 1.1mV Cell voltage measurement accuracy with an offset
  • Configurable digital low pass filter as low as 1.2Hz
  • Supports simultaneous cell voltage measurements
    • Full-accuracy stack measurements in less than 1 ms (for 96 cells)
  • Optional ring architecture to ensure stack communication even with communication cable break
  • Monitors 3 to 6 cell connections and up to 6 NTC/auxiliary channels
    • Integrated 16-bit analog-to-digital converters (ADC)
  • Integrated high-voltage AFE filter components
  • Designed for robust hot-plug performance
  • Stackable configuration up to 64 devices (1 base + 63 stack, 384-series cells)
  • Isolated differential daisy chain communication
    • Supports transformer or capacitor based isolation
  • Configurable SINC3 digital filter
  • Integrated hardware protector
    • Secondary protection for cell overtemperature and undertemperature
    • Secondary protection for cell overvoltage and undervoltage
  • Hardware protector function: SafeTI™-26262 ASIL-B compliant
  • Integrated cell-balancing MOSFET’s up to 150 mA
  • Designed to pass BCI testing
  • UART Host interface
  • Qualified for automotive applications
  • AEC-Q100 Qualified with the following results:
    • Device temperature grade 2: –40°C to +105°C ambient operating temperature range
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C4B
  • Voltage monitor, temperature monitor and communication functions: SafeTI™-26262 ASIL-D compliant
  • ± 1.1mV Cell voltage measurement accuracy with an offset
  • Configurable digital low pass filter as low as 1.2Hz
  • Supports simultaneous cell voltage measurements
    • Full-accuracy stack measurements in less than 1 ms (for 96 cells)
  • Optional ring architecture to ensure stack communication even with communication cable break
  • Monitors 3 to 6 cell connections and up to 6 NTC/auxiliary channels
    • Integrated 16-bit analog-to-digital converters (ADC)
  • Integrated high-voltage AFE filter components
  • Designed for robust hot-plug performance
  • Stackable configuration up to 64 devices (1 base + 63 stack, 384-series cells)
  • Isolated differential daisy chain communication
    • Supports transformer or capacitor based isolation
  • Configurable SINC3 digital filter
  • Integrated hardware protector
    • Secondary protection for cell overtemperature and undertemperature
    • Secondary protection for cell overvoltage and undervoltage
  • Hardware protector function: SafeTI™-26262 ASIL-B compliant
  • Integrated cell-balancing MOSFET’s up to 150 mA
  • Designed to pass BCI testing
  • UART Host interface

The BQ79606A-Q1 device provides simultaneous, high accuracy, channel measurements for three to six battery cells. With the inclusion of a daisy chain communication port, the BQ79606A-Q1 device is stackable (up to 64 devices) to support the large stack configurations found in battery packs for electrified automotive drive trains. Providing a Delta Sigma converter per cell input, the BQ79606A-Q1 allows simultaneous measurement of the battery voltages.

The BQ79606A-Q1 includes an auxiliary ADC that supports cell temperature measurements for up to six NTCs as well as internal rails to enable safety checks for the device. A die temperature measurement ADC is also included to provide temperature correction to enable high accuracy results over an extended temperature range.

Host communication to the BQ79606A-Q1 device is done via dedicated UART interface. Additionally, an isolated, differential daisy-chain communication interface that supports either capacitor or transformer isolation allows the host to communicate with the entire battery stack. The daisy-chain communication interface can be configured (optional) in a ring architecture that allows the host to talk to devices at either end of the stack in cases of communication line breaks.

The BQ79606A-Q1 device provides simultaneous, high accuracy, channel measurements for three to six battery cells. With the inclusion of a daisy chain communication port, the BQ79606A-Q1 device is stackable (up to 64 devices) to support the large stack configurations found in battery packs for electrified automotive drive trains. Providing a Delta Sigma converter per cell input, the BQ79606A-Q1 allows simultaneous measurement of the battery voltages.

The BQ79606A-Q1 includes an auxiliary ADC that supports cell temperature measurements for up to six NTCs as well as internal rails to enable safety checks for the device. A die temperature measurement ADC is also included to provide temperature correction to enable high accuracy results over an extended temperature range.

Host communication to the BQ79606A-Q1 device is done via dedicated UART interface. Additionally, an isolated, differential daisy-chain communication interface that supports either capacitor or transformer isolation allows the host to communicate with the entire battery stack. The daisy-chain communication interface can be configured (optional) in a ring architecture that allows the host to talk to devices at either end of the stack in cases of communication line breaks.
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Documentación técnica

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* Data sheet BQ79606A-Q1 SafeTI™ Precision Monitor With Integrated Hardware Protector for Automotive Battery Pack Applications datasheet PDF | HTML 25 abr 2019
White paper Wired vs. Wireless Communications In EV Battery Management (Rev. A) PDF | HTML 06 jun 2023
Functional safety information Functional Safety Considerations in Battery Management for Vehicles 17 sep 2020
Application note BQ79606A-Q1 Software Design Reference (Rev. E) 07 ago 2019
Application note BQ79606 Daisy Chain Communication Robustness and Timing 26 jun 2019
Technical article Eight questions about monitoring and protection in hybrid and electric vehicles PDF | HTML 22 may 2019
Functional safety information Safety Manual for BQ79606A-Q1 Precision Monitor (Rev. C) 06 may 2019
Design guide Scalable Automotive HEV/EV 6s to 96s Li-Ion Cell Supervision Demonstrator (Rev. A) 30 abr 2019
User guide BQ79606A-Q1 GUI User's Guide (Rev. C) 29 abr 2019
Application note BQ79606A-Q1 Design Recommendation (Rev. C) 26 abr 2019
User guide BQ79606A-Q1 Evaluation Module (Rev. E) 26 abr 2019
Application note BQ79606AA-Q1 Example Bring Up Procedure 16 mar 2018

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

BQ79606EVM-897 — Monitor de precisión de 6 canales con módulo de evaluación de protector integrado

The bq79606EVM is an evaluation board for the bq79606A -Q1. The bq79606A -Q1 provides simultaneous, high accuracy, channel measurements for three to six battery cells. With the inclusion of a daisy chain communication port, the bq79606A -Q1 device is stackable (up to 64 devices) to support the (...)

Guía del usuario: PDF
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Ejemplo de código o demostración

BQ79606A-EXAMPLE-CODE — Código de ejemplo de aplicaciones de baterías para automoción BQ79606A-Q1

The BQ79606A-EXAMPLE-CODE is BQ79606A-Q1 example code of automotive battery pack applications for the Hercules™ LAUNCHXL-TMS57004 LaunchPad™ development kit.
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Controlador o biblioteca

BQ79606-Q1-DESIGN — Design & Other Doc Files for BQ79606-Q1

Design & Other Doc Files for BQ79606-Q1
Productos y hardware compatibles

Productos y hardware compatibles

Productos
Monitores y equilibradores de batería
BQ79606A-Q1 — Monitor de precisión de batería para automoción 6-S, equilibrador y protector integrado conforme a A
Solicitar
Controlador o biblioteca

BQ79606-Q1-EXAMPLE-CODE — Example Code Files for BQ79606-Q1

Example Code Files for BQ79606-Q1
Productos y hardware compatibles

Productos y hardware compatibles

Productos
Monitores y equilibradores de batería
BQ79606A-Q1 — Monitor de precisión de batería para automoción 6-S, equilibrador y protector integrado conforme a A
Solicitar
Controlador o biblioteca

BQ79606A-AUTOSAR-CDD — BQ79606A Complex Device Driver software

BQ79606A Complex Device Driver software
Productos y hardware compatibles

Productos y hardware compatibles

Productos
Monitores y equilibradores de batería
BQ79606A-Q1 — Monitor de precisión de batería para automoción 6-S, equilibrador y protector integrado conforme a A
Solicitar
Controlador o biblioteca

BQ79606A-Q1-FMEDA — BQ79606A-Q1 FMEDA files

BQ79606A-Q1 FMEDA files
Productos y hardware compatibles

Productos y hardware compatibles

Productos
Monitores y equilibradores de batería
BQ79606A-Q1 — Monitor de precisión de batería para automoción 6-S, equilibrador y protector integrado conforme a A
Solicitar
Herramienta de simulación

MNOVA-3P-NOVACARTS — MicroNova NovaCarts cell module controller (CMC) simulator for validating battery management systems

The NovaCarts cell module controller (CMC) simulation can simulate up to 35 cell monitoring integrated circuits of the automotive battery cell monitors family. The simulator is connected to the battery management system (BMS) host via a daisy chain interface. Typical applications of the simulator (...)
Desde: MicroNova
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HTQFP (PHP) 48 Ultra Librarian
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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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