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電池保護器

BQ76200

現行

高壓側 n 通道 FET 驅動器

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產品規格表

BQ76200

現行
產品規格表 立即訂購

產品詳細資料

Number of series cells (min) 3 Number of series cells (max) 16 Features High-side N-FET driver Operating current (typ) (µA) 40 Rating Catalog Vin (max) (V) 75 Operating temperature range (°C) -40 to 85
Number of series cells (min) 3 Number of series cells (max) 16 Features High-side N-FET driver Operating current (typ) (µA) 40 Rating Catalog Vin (max) (V) 75 Operating temperature range (°C) -40 to 85
TSSOP (PW) 16 32 mm² 5 x 6.4
  • CHG and DSG high-side NMOS FET drivers for battery protection fast FET turn-on and turn-off times
  • Pre-charge PFET driver (for current-limited pre-charge of significantly depleted cell-pack)
  • Independent digital enable control for charging and discharging
  • Minimal external components needed
  • Scalable external capacitor-based charge pump to accommodate a different range of FETs in parallel
  • High-voltage tolerant (100-V absolute maximum)
  • Internal switch to enable pack-voltage sensing
  • Common and separate charge and discharge path configuration support
  • Designed to work directly with bq76940, bq76930, and bq76920 battery monitors
  • Current consumption:
    • NORMAL mode: 40 µA
    • SHUTDOWN: < 10 µA maximum
  • CHG and DSG high-side NMOS FET drivers for battery protection fast FET turn-on and turn-off times
  • Pre-charge PFET driver (for current-limited pre-charge of significantly depleted cell-pack)
  • Independent digital enable control for charging and discharging
  • Minimal external components needed
  • Scalable external capacitor-based charge pump to accommodate a different range of FETs in parallel
  • High-voltage tolerant (100-V absolute maximum)
  • Internal switch to enable pack-voltage sensing
  • Common and separate charge and discharge path configuration support
  • Designed to work directly with bq76940, bq76930, and bq76920 battery monitors
  • Current consumption:
    • NORMAL mode: 40 µA
    • SHUTDOWN: < 10 µA maximum

The bq76200 device is a low-power, high-side, N-channel system. A high-side protection avoids ground disconnection in the system and also allows continuous communication between the battery pack and host system. The device has additional P-Channel FET control to allow low-current pre-charge to a deeply depleted battery, and a PACK+ voltage monitor control for the host to sense the PACK+ voltage.

The independent enable inputs allow CHG and DSG FETs to be turned on and off separately, offering great implementation flexibility in battery systems.

The bq76200 device can be used with a companion analog front end (AFE) device such as the bq76920/30/40 family, a 3-series to 15-series Cell Analog Front End Monitoring, and a host microcontroller or dedicated state-of-charge (SOC) tracking gas gauge device.

The bq76200 device is a low-power, high-side, N-channel system. A high-side protection avoids ground disconnection in the system and also allows continuous communication between the battery pack and host system. The device has additional P-Channel FET control to allow low-current pre-charge to a deeply depleted battery, and a PACK+ voltage monitor control for the host to sense the PACK+ voltage.

The independent enable inputs allow CHG and DSG FETs to be turned on and off separately, offering great implementation flexibility in battery systems.

The bq76200 device can be used with a companion analog front end (AFE) device such as the bq76920/30/40 family, a 3-series to 15-series Cell Analog Front End Monitoring, and a host microcontroller or dedicated state-of-charge (SOC) tracking gas gauge device.
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類型 標題 日期
* Data sheet bq76200 high-voltage battery pack front-end charge/discharge high-side NFET driver datasheet (Rev. B) PDF | HTML 2019年 3月 8日
White paper 以工業電池組為運輸替代方案提供電源 2020年 3月 17日
Technical article Protector, monitor or gauge – selecting the correct battery electronics for your L PDF | HTML 2019年 6月 13日
Application note bq76200 Beyond the Simple Application Schematic 2017年 1月 30日
Application note bq76200 Reverse Voltage Considerations 2017年 1月 3日
Application note Minimizing Shutdown Current of the bq76200 2016年 12月 12日
Application note FET Configurations for the bq76200 High-Side N-Channel FET Driver (Rev. A) 2016年 2月 15日
EVM User's guide bq76200EVM User's Guide 2015年 7月 27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

BQ76200EVM-606 — bq76200 100V 電池組高壓側雙 NCH FET 驅動器評估模組

The BQ76200EVM-606 is a populated circuit board to demonstrate operation of the BQ76200 High-Side N-Channel FET Driver with Pack Voltage Sense Enable. With the board powered, shunts can be placed on a series of headers to control the features of the device to switch current through FETs on the (...)

使用指南: PDF
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參考設計

TIDA-010030 — 精確電量計和 50-μA 待機電流、13-S、48-V 鋰離子電池組參考設計

This reference design is a low standby and ship mode current consumption and high SOC gauging accuracy 13S, 48-V Li-ion battery pack design. It monitors each cell voltage, pack current and temperature with high accuracy and protects the Li-ion battery pack against overvoltage, undervoltage, over (...)
Design guide: PDF
電路圖: PDF
參考設計

TIDA-010074 — 具低電流消耗的 16S-17S 電池組參考設計

此參考設計為低待機與低運送模式電流消耗 16S-17S LiFePO4 鋰離子電池組設計，適用於電信電池備援和電動重型機車。在 2 層 PCB 上實作。9S-15S AFE bq76940 監視較低的 15 電池電壓、而雙通道通用放大器 LM2904B 監控第 16 及第 17 個電池芯電壓。此設計會保護電池組免於過電壓、欠電壓、過電流及過熱，並透過設計良好的輔助電源供應策略和高效率、低靜態電流 DC/DC 轉換器 LM5164，降低待機與運送模式下的耗電量，終能延長運送時間及縮短閒置時間。
Design guide: PDF
電路圖: PDF
參考設計

TIDA-00792 — 多節 36-48V 電池管理系統參考設計

This reference design provides monitoring, balancing, primary protection and gauging for a 12- to 15-cell lithium-ion or lithium-iron phosphate-based batteries. This board is intended to be mounted in an enclosure for industrial systems. The reference design provides battery protection and gauging (...)
Design guide: PDF
電路圖: PDF
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