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Product Overview
The BQ7791502PWR is a highly integrated, secondary protection IC from Texas Instruments designed for 4-series to 5-series Li-Ion and Li-Polymer battery packs. It provides overvoltage protection (OVP), undervoltage protection (UVP), and overcurrent protection (OCP) with high accuracy and low power consumption. Packaged in a compact 24-TSSOP, it is ideal for space-constrained applications requiring robust battery safety.
Detailed Technical Specifications
| Parameter |
Value |
| Cell Count |
4 to 5 series |
| Overvoltage Threshold |
4.35 V ±25 mV |
| Undervoltage Threshold |
2.5 V ±80 mV |
| Overcurrent Threshold |
Adjustable via external resistor |
| Supply Voltage Range |
3.0 V to 25 V |
| Quiescent Current |
Typ. 10 μA |
| Operating Temperature |
-40°C to +85°C |
| Package |
24-TSSOP |
Key Features
- Precision overvoltage and undervoltage protection
- Adjustable overcurrent detection delay
- Low quiescent current for extended battery life
- Integrated cell balancing function
- Open-wire detection for cell connections
- Wide operating voltage range
Target Applications
- 5G base station backup battery packs
- Electric vehicle (EV) battery management systems
- Energy storage systems (ESS) for solar inverters
- Power tools and garden equipment
- Medical devices like portable defibrillators
- Industrial robotics battery packs
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
BQ7791502PWR. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
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BOM Kitting & Sampling Services: Specialized sourcing for
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
BQ7791502PWR 是德州儀器(TI)推出的一款高度集成的二次保護 IC,專為 4 至 5 串鋰離子和鋰聚合物電池組設計。它提供精確的過壓保護(OVP)、欠壓保護(UVP)和過流保護(OCP),功耗極低。採用緊湊的 24-TSSOP 封裝,非常適合空間受限且需要強大電池安全性的應用。
詳細技術參數
| 參數 |
數值 |
| 電池串數 |
4 至 5 串 |
| 過壓閾值 |
4.35 V ±25 mV |
| 欠壓閾值 |
2.5 V ±80 mV |
| 過流閾值 |
通過外部電阻可調 |
| 電源電壓範圍 |
3.0 V 至 25 V |
| 靜態電流 |
典型 10 μA |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
24-TSSOP |
核心特性
- 精確的過壓和欠壓保護
- 可調節的過流檢測延時
- 低靜態電流,延長電池壽命
- 集成電池均衡功能
- 電池連接開路檢測
- 寬工作電壓範圍
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
- 太陽能逆變器儲能系統(ESS)
- 電動工具和園林設備
- 醫療設備如便攜式除顫器
- 工業機器人電池組
環球供應鏈與批發合作夥伴方案
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