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Product Overview
The TPS2551DRVT from Texas Instruments is a precision adjustable current-limited power distribution switch designed for applications where heavy capacitive loads and short circuits are encountered. This device offers a programmable current limit threshold from 0.5A to 2.5A via an external resistor, operating over a wide input voltage range of 2.5V to 6.5V. Housed in a compact 6-pin WSON (2x2 mm) package, it provides a robust solution for USB ports, hot-swap supplies, and general-purpose power management.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
2.5V to 6.5V |
| Current Limit Range |
0.5A to 2.5A (programmable) |
| On-Resistance (typical) |
70 mΩ |
| Quiescent Current |
85 μA |
| Shutdown Current |
1 μA |
| Output Discharge |
Yes (when disabled) |
| Fault Flag |
Active low, open-drain |
| Operating Temperature |
-40°C to +125°C |
| Package |
6-WSON (2x2 mm) |
Key Features
- Adjustable current limit from 0.5A to 2.5A
- Low on-resistance (70 mΩ typical) minimizes power loss
- Fast transient response for capacitive loads
- Built-in thermal shutdown protection
- Undervoltage lockout (UVLO)
- Reverse current blocking when disabled
- Small footprint 6-WSON package
Target Applications
- USB ports (USB 2.0/3.0) in laptops, docking stations, and hubs
- Hot-swap power supplies for servers and storage systems
- 5G base station power distribution
- Automotive infotainment and dashboard systems
- Industrial control and automation equipment
- Portable and battery-powered devices
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS2551DRVT. 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
TPS2551DRVT 是德州儀器(TI)推出的一款精密可調限流電源分配開關,專為處理大電容負載和短路情況而設計。該器件通過外部電阻可編程設定 0.5A 至 2.5A 的電流限制閾值,工作輸入電壓範圍為 2.5V 至 6.5V。採用緊湊的 6 引腳 WSON(2x2 mm)封裝,為 USB 端口、熱插拔電源和通用電源管理提供穩健的解決方案。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
2.5V 至 6.5V |
| 電流限制範圍 |
0.5A 至 2.5A(可編程) |
| 導通電阻(典型值) |
70 mΩ |
| 靜態電流 |
85 μA |
| 關斷電流 |
1 μA |
| 輸出放電 |
是(禁用時) |
| 故障標誌 |
低電平有效,開漏輸出 |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
6-WSON(2x2 mm) |
核心特性
- 可調電流限制:0.5A 至 2.5A
- 低導通電阻(典型值 70 mΩ),降低功耗
- 快速瞬態響應,適用於電容性負載
- 內置熱關斷保護
- 欠壓鎖定(UVLO)
- 禁用時反向電流阻斷
- 小型 6-WSON 封裝
典型應用場景
- 筆記本電腦、擴展塢和集線器中的 USB 端口(USB 2.0/3.0)
- 服務器和存儲系統的熱插拔電源
- 5G 基站電源分配
- 汽車信息娛樂和儀表板系統
- 工業控制和自動化設備
- 便攜式和電池供電設備
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 TPS2551DRVT 提供全面的供應鏈與批發解決方案。
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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現貨庫存,即日發貨:確保現貨充足。下午 4 點前確認訂單,即可安排當天寄出。
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BOM 配單與樣板服務:提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。
品質保證與合規
Jasin Chip 承諾所有出貨產品均為原廠正貨,具備完善的品質保證及產品可追溯性。
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符合 RoHS 認證:所有電子元器件均符合國際環保標準及相關安全認證。
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原廠封裝保護:嚴格保留原廠原始包裝及封條,確保物流過程中的靜電防護 (ESD) 與物理安全。
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