驅動程式或資料庫
BQ76907RGRRQ1-FS — Functional Safety documentation for BQ76907-Q1
This secure folder stores Functional Safety documentation for BQ76907-Q1
BQ76907-Q1
- AEC-Q100 Qualified for automotive applications
- Battery and supercap monitoring capability for 2-series to 7-series cells
- Integrated low-side drivers for NFET protection with optional autonomous recovery
- Extensive protection suite including voltage, temperature, current, and internal diagnostics
- 16-bit delta-sigma voltage ADC
- High accuracy cell voltage measurement of 1mV (typical)
- Dedicated 16- or 24-bit delta-sigma coulomb counter ADC
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- High-accuracy current measurement with low input offset error
- Wide-range current applications (±200mV measurement range across sense resistor)
- 48bit accumulated charge integrator with timer
- Host-controlled cell balancing
- Multiple power modes (typical battery pack operating range conditions)
- NORMAL mode (with Coulomb counting): 32µA to 175µA
- SLEEP mode (with protections active): 6µA
- DEEPSLEEP mode: 2.7µA
- SHUTDOWN mode: <1µA
- Supply voltage from 3V to 38.5V
- High-voltage tolerance of 45V on cell connect and select additional pins
- Support for temperature sensing using an internal sensor and an external thermistor
- Integrated one-time-programmable (OTP) memory for device settings, programmed by TI
- 400kHz I2C serial communications with optional CRC support
- Programmable LDO for external system usage
- 20-pin QFN (RGR) package
The Texas Instruments BQ76907-Q1 provides a highly integrated, high-accuracy battery monitor and protector for 2-series to 7-series Li-ion, Li-polymer, LiFePO4 (LFP), and LTO battery packs and supercaps. The device includes a high-accuracy monitoring system with a dedicated coulomb counter and accumulated charge integration, a highly configurable protection subsystem, and support for host-controlled cell balancing. Integration includes low-side protection NFET drivers, a programmable LDO for external system use, and an I2C host communication interface supporting up to 400kHz operation with optional CRC. Continuous Coulomb counting is available in multiple power modes ranging down to 32µA. The BQ76907-Q1 operates over a supply voltage from 3V to 38.5V and is available in a 20-pin QFN package.
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檢視所有 2 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | BQ76907-Q1 2-Series to 7-Series High Accuracy Automotive Battery Monitor and Protector for Li-Ion, Li-Polymer, LiFePO4 (LFP), and LTO Battery Packs and Supercaps datasheet | PDF | HTML | 2025年 3月 7日 |
| Application brief | Meeting The Power Demands of 12V Auxiliary and Supercapacitor Batteries in Automotive Applications | PDF | HTML | 2025年 7月 18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
BQ76907EVM — 適用於低功耗監控器和保護器的 BQ76907 評估模組
BQ76907EVM 評估模組 (EVM) 是適用於 BQ76907 的完整評估系統。BQ76907 是高度整合、高準確度的電池監控器和保護器，適用於 2 串聯至 7 串聯鋰離子、鋰聚合物和 LiFePO4 電池組。此 EVM 包括一個 BQ76907 積體電路 (IC)、感測電阻器、一個熱敏電阻、電源 FET，以及其他所有必要的板載零組件，以防止電池過度充電、過度放電、短路、過電流放電、溫度過高和過低。
驅動程式或資料庫
BQ7690X-CODE-EXAMPLES — BQ7690x battery monitors code examples
Microcontroller sample code examples for interfacing with BQ7690x battery monitors and protectors.
支援產品和硬體
產品
電池監控器和平衡器
- BQ76905 — 具有高準確度電池電壓量測且適用於 2S 到 5S 的低功率監控器和保護器
- BQ76907 — 具有高準確度電池電壓量測且適用於 2S 到 7S 的低功率監控器和保護器
- BQ76907-Q1 — 適用於 LiFePO4 和超級電容器的車用 7S 低功率高準確度電池監控器和保護器
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| VQFN (RGR) | 20 | Ultra Librarian |
訂購與品質
內含資訊：
- 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
內含資訊：
- 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。