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電池監控器和平衡器

BQ79606A-Q1

現行

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

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BQ79616-Q1 現行 符合 ASIL-D 規範的 16 節串聯車用精密電池監控器、平衡器和整合式保護器 ASIL-D compliant with improved cell voltage measurements within 200 µs for all cell channels and balancing current up to 240 mA

BQ79606A-Q1

現行
產品規格表 立即訂購

產品詳細資料

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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類型 標題 日期
* Data sheet BQ79606A-Q1 SafeTI™ Precision Monitor With Integrated Hardware Protector for Automotive Battery Pack Applications datasheet PDF | HTML 2019年 4月 25日
White paper Wired vs. Wireless Communications In EV Battery Management (Rev. A) PDF | HTML 2023年 6月 6日
Functional safety information Functional Safety Considerations in Battery Management for Vehicles 2020年 9月 17日
Application note BQ79606A-Q1 Software Design Reference (Rev. E) 2019年 8月 7日
Application note BQ79606 Daisy Chain Communication Robustness and Timing 2019年 6月 26日
Technical article Eight questions about monitoring and protection in hybrid and electric vehicles PDF | HTML 2019年 5月 22日
Functional safety information Safety Manual for BQ79606A-Q1 Precision Monitor (Rev. C) 2019年 5月 6日
Design guide Scalable Automotive HEV/EV 6s to 96s Li-Ion Cell Supervision Demonstrator (Rev. A) 2019年 4月 30日
User guide BQ79606A-Q1 GUI User's Guide (Rev. C) 2019年 4月 29日
Application note BQ79606A-Q1 Design Recommendation (Rev. C) 2019年 4月 26日
User guide BQ79606A-Q1 Evaluation Module (Rev. E) 2019年 4月 26日
Application note BQ79606AA-Q1 Example Bring Up Procedure 2018年 3月 16日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

BQ79606EVM-897 — 具有整合保護器的 6 通道精密監測器評估模組

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 (...)

使用指南: PDF
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程式碼範例或展示

BQ79606A-EXAMPLE-CODE — 車用電池組應用的 BQ79606A-Q1 範例程式碼

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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驅動程式或資料庫

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

Design & Other Doc Files for BQ79606-Q1
支援產品和硬體

支援產品和硬體

產品
電池監控器和平衡器
BQ79606A-Q1 — 符合 ASIL-D 規範的 6 節串聯車用精密電池監控器、平衡器和整合式保護器
要求
驅動程式或資料庫

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

Example Code Files for BQ79606-Q1
支援產品和硬體

支援產品和硬體

產品
電池監控器和平衡器
BQ79606A-Q1 — 符合 ASIL-D 規範的 6 節串聯車用精密電池監控器、平衡器和整合式保護器
要求
驅動程式或資料庫

BQ79606A-AUTOSAR-CDD — BQ79606A Complex Device Driver software

BQ79606A Complex Device Driver software
支援產品和硬體

支援產品和硬體

產品
電池監控器和平衡器
BQ79606A-Q1 — 符合 ASIL-D 規範的 6 節串聯車用精密電池監控器、平衡器和整合式保護器
要求
驅動程式或資料庫

BQ79606A-Q1-FMEDA — BQ79606A-Q1 FMEDA files

BQ79606A-Q1 FMEDA files
支援產品和硬體

支援產品和硬體

產品
電池監控器和平衡器
BQ79606A-Q1 — 符合 ASIL-D 規範的 6 節串聯車用精密電池監控器、平衡器和整合式保護器
要求
模擬工具

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 (...)
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