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Product Overview
The BQ294502DRVT is a highly integrated, secondary overvoltage protection IC from Texas Instruments, designed for 2-series to 4-series Li-Ion and Li-Polymer battery packs. It provides precise overvoltage protection with a fixed threshold of 4.35V per cell, ensuring safe operation in high-density battery applications. Housed in a compact 6-pin WSON (2x2mm) package, it offers a small footprint for space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Cells |
2-4 series |
| Overvoltage Threshold |
4.35V ± 25mV |
| Overvoltage Delay |
1s (typical) |
| Operating Voltage Range |
2.5V to 10V |
| Quiescent Current |
1µA (max) |
| Output Type |
Open-drain active low |
| Package |
6-WSON (2x2mm) |
| Operating Temperature |
-40°C to +85°C |
Key Features
- Precision overvoltage protection for 2S to 4S Li-Ion/Li-Polymer batteries
- Fixed overvoltage threshold of 4.35V per cell with ±25mV accuracy
- Low quiescent current of 1µA maximizes battery life
- Open-drain output with internal pull-down resistor
- Small 6-pin WSON package (2x2mm) for compact designs
- Built-in delay timer prevents false triggering
Target Applications
- 5G base station backup battery packs
- Automotive dashboard battery monitoring
- Power tools and cordless equipment
- Portable medical devices
- Energy storage systems (ESS)
- Consumer electronics (e.g., laptops, tablets)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
BQ294502DRVT. 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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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
BQ294502DRVT 是德州儀器(TI)推出的一款高度集成的二次過壓保護 IC,專為 2 至 4 串聯鋰離子及鋰聚合物電池組設計。它提供精確的過壓保護,每節電池的固定閾值為 4.35V,確保高密度電池應用的安全運行。採用緊湊的 6 引腳 WSON(2x2mm)封裝,適用於空間受限的設計。
詳細技術參數
| 參數 |
數值 |
| 電池串數 |
2-4 串 |
| 過壓閾值 |
4.35V ± 25mV |
| 過壓延遲 |
1s(典型值) |
| 工作電壓範圍 |
2.5V 至 10V |
| 靜態電流 |
1µA(最大值) |
| 輸出類型 |
開漏低電平有效 |
| 封裝 |
6-WSON(2x2mm) |
| 工作溫度 |
-40°C 至 +85°C |
核心特性
- 為 2S 至 4S 鋰離子/鋰聚合物電池提供精確過壓保護
- 固定過壓閾值 4.35V,精度 ±25mV
- 低靜態電流 1µA,延長電池壽命
- 開漏輸出,內置下拉電阻
- 小型 6 引腳 WSON 封裝(2x2mm),適合緊湊設計
- 內置延時定時器,防止誤觸發
典型應用場景
- 5G 基站備用電池組
- 汽車儀表盤電池監控
- 電動工具及無線設備
- 便攜式醫療設備
- 儲能系統(ESS)
- 消費電子產品(如筆記本電腦、平板電腦)
環球供應鏈與批發合作夥伴方案
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