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Product Overview
The BQ7790522PWR from Texas Instruments is a highly integrated, multi-cell lithium-ion battery management IC designed for 4-5 series and 3-25 cell configurations. It provides comprehensive protection features including overvoltage, undervoltage, overcurrent, short circuit, and temperature monitoring. Packaged in a 20-pin TSSOP, this device is ideal for high-capacity battery packs used in energy storage systems, power tools, and industrial equipment.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Cells |
3-25 (4-5 series) |
| Overvoltage Protection Threshold |
4.2V to 4.5V (programmable) |
| Undervoltage Protection Threshold |
2.0V to 3.0V (programmable) |
| Overcurrent Protection |
Adjustable via external resistor |
| Short Circuit Protection |
Yes, with delay |
| Operating Temperature Range |
-40°C to +85°C |
| Package |
20-TSSOP |
| Supply Voltage |
4.5V to 25V |
| Quiescent Current |
Typical 20 µA |
Key Features
- Integrated cell balancing for extended battery life
- Programmable protection thresholds for flexibility
- Low power consumption in standby mode
- Robust fault detection with auto-recovery
- Compact 20-TSSOP package for space-constrained designs
Target Applications
- 5G base station backup battery packs
- Electric vehicle (EV) battery management systems
- High-capacity power tools (e.g., cordless drills, saws)
- Industrial energy storage systems (ESS)
- Medical equipment battery packs (e.g., portable ventilators)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
BQ7790522PWR. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
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orders confirmed before 4 PM are shipped the same day.
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transactions, ensuring peace of mind for batch orders.
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testing samples and urgent shortage components.
Quality Assurance & Compliance
Jasin Chip guarantees that all delivered products are 100% original factory stock
with full quality assurance and traceability.
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100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
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
BQ7790522PWR 是德州儀器(TI)推出的一款高度集成的多節鋰離子電池管理IC,支持4-5串和3-25節電池配置。它提供全面的保護功能,包括過壓、欠壓、過流、短路和溫度監控。採用20引腳TSSOP封裝,適用於儲能系統、電動工具和工業設備中的高容量電池組。
詳細技術參數
| 參數 |
數值 |
| 電池節數 |
3-25(4-5串) |
| 過壓保護閾值 |
4.2V 至 4.5V(可編程) |
| 欠壓保護閾值 |
2.0V 至 3.0V(可編程) |
| 過流保護 |
通過外部電阻可調 |
| 短路保護 |
有,帶延時 |
| 工作溫度範圍 |
-40°C 至 +85°C |
| 封裝 |
20-TSSOP |
| 供電電壓 |
4.5V 至 25V |
| 靜態電流 |
典型值 20 µA |
核心特性
- 集成電池均衡,延長電池壽命
- 可編程保護閾值,靈活配置
- 待機模式低功耗
- 強大的故障檢測,帶自動恢復
- 緊湊的20-TSSOP封裝,節省空間
典型應用場景
- 5G基站備用電池組
- 電動汽車(EV)電池管理系統
- 高容量電動工具(如無線電鑽、電鋸)
- 工業儲能系統(ESS)
- 醫療設備電池組(如便攜式呼吸機)
環球供應鏈與批發合作夥伴方案
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