現在提供此產品的更新版本
功能與所比較的裝置相似
BQ79656-Q1
- 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
- Developed for functional safety applications
- Documentation to aid ISO 26262 system design
- Systematic capability up to ASIL D
- Hardware capability up to ASIL D
- +/- 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
- 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
- Supports bus bar connection and measurement
- 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
- Isolated differential daisy chain communication with optional ring architecture
- Embedded fault signal and heartbeat through communication line
- 5 V LDO output to power external digital isolator
- UART/SPI host interface/communication bridge device BQ79600-Q1
- Built-in SPI master
The BQ7965x-Q1 family of devices provides high-accuracy cell voltage measurements for a minimum of 6S to a maximum of 12S (BQ79652-Q1), 14S (BQ79654-Q1), or 16S (BQ79656-Q1) 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 raring, differential RC filters on the cell input channels. The integrated, post-ADC, low-pass filters enable filtered, DC-like, voltage measurements. This family of devices 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.
The inclusion of the isolated, bidirectional, daisy chain ports supports both capacitor- and transformer-based isolation, allowing the use of the most effective components for centralized or distribution architectures commonly found in the xEV powertrain system. This device also includes eight GPIOs or auxiliary inputs that can be used for external thermistor measurements.
Host communication to the BQ7965x-Q1 family of devices can be connected via the devices dedicated UART interface or through a communication bridge device, BQ79600. Additionally, an isolated, differential daisy-chain communication interface allows the host to communicate with the entire battery stack over a single interface. in the event of a communication line break, the daisy-chain communication interface is configurable to a ring architecture that allows the host to talk to devices at either end of the stack.
All references to the BQ79616-Q1 device also apply to the BQ79616H-Q1 device.
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技術文件
類型 | 標題 | 日期 | ||
---|---|---|---|---|
* | Data sheet | BQ79656-Q1, BQ79654-Q1, BQ79652-Q1 Functional Safety-Compliant Automotive 16S/14S/12S Battery Monitor, Balancer and Integrated Hardware Protector with Integrated Current Sense datasheet (Rev. B) | PDF | HTML | 2023年 11月 7日 |
Application note | BQ79616-Q1 Daisy Chain Communications | PDF | HTML | 2023年 10月 26日 | |
Application note | BQ7961x-Q1 Design Recommendations for High Voltage Automotive BMS (Rev. A) | PDF | HTML | 2023年 10月 19日 | |
EVM User's guide | BQ79616-Q1, BQ75614-Q1, BQ79656-Q1 Evaluation Modules User's Guide (Rev. C) | PDF | HTML | 2023年 8月 30日 | |
User guide | BQ79616-Q1 and BQ75614-Q1 Graphical User Interface (GUI) User's Guide | 2020年 12月 14日 | ||
Technical article | Enhance thermal management in EVs with autonomous cell balancing | PDF | HTML | 2020年 12月 9日 | |
Technical article | Conserve battery power in HEV/EVs with automatic host reverse wakeup | PDF | HTML | 2020年 12月 4日 | |
Functional safety information | Functional Safety Considerations in Battery Management for Vehicles | 2020年 9月 17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)。
BQ79656EVM-021 — BQ79656-Q1 車用 16-S 精密電池監控器平衡器整合式保護器評估模組
封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
---|---|---|
HTQFP (PAP) | 64 | Ultra Librarian |
訂購與品質
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 認證摘要
- 進行中持續性的可靠性監測
- 晶圓廠位置
- 組裝地點
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。