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Product Overview
The BQ7721617PWR from Texas Instruments is a high-performance battery monitor and protector IC designed for multi-cell Li-ion, Li-polymer, and LiFePO4 battery packs. It supports 1 to 16 series cells and integrates overvoltage protection (OVP), undervoltage protection (UVP), overtemperature protection (OTP), and open-wire detection. Packaged in a compact 24-TSSOP, it is ideal for energy storage systems, power tools, and portable electronics.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Cells |
1 to 16 series |
| Overvoltage Protection Threshold |
3.0 V to 4.6 V (programmable) |
| Undervoltage Protection Threshold |
1.2 V to 3.0 V (programmable) |
| Overtemperature Protection |
Internal and external NTC |
| Open-Wire Detection |
Yes |
| Operating Voltage Range |
4.5 V to 75 V |
| Quiescent Current |
Typ. 20 µA (normal mode) |
| Package |
24-TSSOP |
| Operating Temperature |
-40°C to +85°C |
Key Features
- Wide cell voltage range for various chemistries
- Programmable protection thresholds via external resistors
- Low power consumption extends battery life
- Integrated open-wire detection enhances safety
- Compact 24-TSSOP package saves PCB space
Target Applications
- Energy storage systems (ESS) for solar and wind power
- 5G base station backup batteries
- Electric power tools (e.g., cordless drills, saws)
- Portable medical devices (e.g., defibrillators, infusion pumps)
- Automotive battery management systems (BMS) for EVs
Global Supply Chain & Wholesale Solutions
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BQ7721617PWR. Our core advantages include:
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with full quality assurance and traceability.
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be authentic with strict quality control.
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environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
BQ7721617PWR 是德州儀器(TI)推出的一款高性能電池監控和保護 IC,適用於多節鋰離子、鋰聚合物和磷酸鐵鋰電池組。它支持 1 至 16 串電池,集成過壓保護(OVP)、欠壓保護(UVP)、過溫保護(OTP)和斷線檢測功能。採用緊湊的 24-TSSOP 封裝,非常適合儲能系統、電動工具和便攜式電子設備。
詳細技術參數
| 參數 |
數值 |
| 電池串數 |
1 至 16 串 |
| 過壓保護閾值 |
3.0 V 至 4.6 V(可編程) |
| 欠壓保護閾值 |
1.2 V 至 3.0 V(可編程) |
| 過溫保護 |
內部和外部 NTC |
| 斷線檢測 |
支持 |
| 工作電壓範圍 |
4.5 V 至 75 V |
| 靜態電流 |
典型 20 µA(正常模式) |
| 封裝 |
24-TSSOP |
| 工作溫度 |
-40°C 至 +85°C |
核心特性
- 寬電池電壓範圍,適用多種化學成分
- 通過外部電阻可編程保護閾值
- 低功耗,延長電池壽命
- 集成斷線檢測,增強安全性
- 緊湊的 24-TSSOP 封裝,節省 PCB 空間
典型應用場景
- 太陽能和風能儲能系統(ESS)
- 5G 基站備用電池
- 電動工具(如無線電鑽、電鋸)
- 便攜式醫療設備(如除顫器、輸液泵)
- 電動汽車(EV)電池管理系統(BMS)
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