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電池管理 IC
電池監控器和平衡器

BQ756506-Q1

現行

符合 ASIL-D 規範的車用 6-S 精密電池監控器、平衡器和整合式保護器

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產品規格表

BQ756506-Q1

現行
產品規格表 立即訂購

產品詳細資料

Number of series cells (min) 4 Vin (max) (V) 32 Features Cell balancing, Integrated ADC, Multi-cell support, One-time-programmable (OTP) memory, Open-wire detection, Overtemperature protection, Overvoltage protection, Separate MCU requirement, Temperature sensing, Undertemperature protection, Undervoltage protection Device type Cell monitor and balancer Number of series cells (max) 6 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) 4 Vin (max) (V) 32 Features Cell balancing, Integrated ADC, Multi-cell support, One-time-programmable (OTP) memory, Open-wire detection, Overtemperature protection, Overvoltage protection, Separate MCU requirement, Temperature sensing, Undertemperature protection, Undervoltage protection Device type Cell monitor and balancer Number of series cells (max) 6 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
  • ±1.5-mV ADC accuracy
  • Pin-package and software compatible device family:
    • Stackable monitor 16S (BQ79616-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
  • Supports 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 controller
  • 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
  • ±1.5-mV ADC accuracy
  • Pin-package and software compatible device family:
    • Stackable monitor 16S (BQ79616-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
  • Supports 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 controller

The BQ756506-Q1 device provides high-accuracy cell voltage measurements up to 6S battery modules in less than 200 µs while this device also supports 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 an 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 BQ756506-Q1 can be connected via the device’s dedicated UART interface.

The BQ756506-Q1 device provides high-accuracy cell voltage measurements up to 6S battery modules in less than 200 µs while this device also supports 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 an 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 BQ756506-Q1 can be connected via the device’s dedicated UART interface.
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BQ75614-Q1 現行 符合 ASIL-D 規範的車用 16-S 精密電池監控器、平衡器和整合式保護器 Supports up to 14 cells.

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類型 標題 日期
* Data sheet BQ756506-Q1 4S or 6S Standalone Precision Automotive Battery Monitor, Balancer, and Integrated Current Sense datasheet (Rev. B) PDF | HTML 2023年 10月 31日
User guide BQ79616-Q1 and BQ75614-Q1 Graphical User Interface (GUI) User's Guide 2020年 12月 14日

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