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Product Overview
The TPS25940LRVCR from Texas Instruments is a highly integrated eFuse power management IC designed to provide robust protection for power distribution systems. Housed in a compact 20-WQFN (3x4) package, this device offers a wide input voltage range of 2.7V to 18V and supports continuous currents up to 5A. It integrates advanced features such as programmable current limit, overvoltage protection, undervoltage lockout, reverse current blocking, and thermal shutdown, making it ideal for hot-swap and power-rail protection applications.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
2.7V to 18V |
| Continuous Current |
5A |
| Current Limit Accuracy |
±5% |
| Overvoltage Protection Threshold |
Adjustable (up to 18V) |
| Undervoltage Lockout |
2.5V (typical) |
| Reverse Current Blocking |
Yes |
| Thermal Shutdown |
Yes (150°C typical) |
| Operating Temperature Range |
-40°C to +125°C |
| Package |
20-WQFN (3x4 mm) |
Key Features
- Integrated 18V, 5A eFuse with programmable current limit
- Overvoltage protection with adjustable threshold
- Undervoltage lockout (UVLO) with hysteresis
- Reverse current blocking prevents back-feed
- Thermal shutdown with automatic recovery
- Fast transient response for load changes
- Small footprint 20-WQFN package saves board space
Target Applications
- 5G base station power distribution
- Automotive dashboard infotainment systems
- Industrial control systems and PLCs
- Server and storage hot-swap backplanes
- Portable electronics with USB-C power delivery
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS25940LRVCR. 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
TPS25940LRVCR 是德州儀器(TI)推出的一款高度集成的 eFuse 電源管理 IC,專為電源分配系統提供強固保護而設計。該器件採用緊湊的 20-WQFN(3x4)封裝,支持 2.7V 至 18V 的寬輸入電壓範圍,並可持續承載高達 5A 的電流。它集成了可編程電流限制、過壓保護、欠壓鎖定、反向電流阻斷和熱關斷等先進功能,非常適合熱插拔和電源軌保護應用。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
2.7V 至 18V |
| 持續電流 |
5A |
| 電流限制精度 |
±5% |
| 過壓保護閾值 |
可調(最高 18V) |
| 欠壓鎖定 |
2.5V(典型值) |
| 反向電流阻斷 |
是 |
| 熱關斷 |
是(典型 150°C) |
| 工作溫度範圍 |
-40°C 至 +125°C |
| 封裝 |
20-WQFN(3x4 mm) |
核心特性
- 集成 18V、5A eFuse,帶可編程電流限制
- 過壓保護,閾值可調
- 欠壓鎖定(UVLO)帶遲滯
- 反向電流阻斷,防止反向饋電
- 熱關斷並自動恢復
- 快速瞬態響應,適應負載變化
- 小型 20-WQFN 封裝,節省電路板空間
典型應用場景
- 5G 基站電源分配
- 汽車儀表板信息娛樂系統
- 工業控制系統和 PLC
- 服務器和存儲熱插拔背板
- 帶 USB-C 供電的便攜式電子設備
環球供應鏈與批發合作夥伴方案
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我們的核心優勢包括:
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全天候環球客戶支援:專業團隊為您提供即時報價及技術支援,無需漫長等待。
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