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Product Overview
The TPS2065DR from Texas Instruments is a single-channel, current-limited power-distribution switch optimized for applications requiring precision current limiting and thermal protection. Housed in an 8-pin SOIC package, this device provides a continuous load current of up to 1A over a wide input voltage range of 2.7V to 5.5V. It features an integrated N-channel MOSFET with low on-resistance (typically 70mΩ) to minimize power dissipation. The TPS2065DR is designed to meet USB and other hot-swap requirements, offering robust protection against overcurrent, overtemperature, and reverse current.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
2.7V – 5.5V |
| Continuous Load Current |
1A |
| On-Resistance (typical) |
70mΩ |
| Current Limit Threshold |
1.5A (typical) |
| Operating Temperature Range |
-40°C to +85°C |
| Package |
8-SOIC |
| Enable Logic |
Active High |
| Fault Flag Output |
Open-drain, active low |
| Reverse Current Protection |
Yes |
| Thermal Shutdown |
Yes, auto-restart |
Key Features
- Precise current limiting (±10% accuracy) to protect upstream power supplies
- Low quiescent current (20µA typical) for battery-powered applications
- Fast transient response to load changes
- Undervoltage lockout (UVLO) ensures proper startup
- Built-in soft-start to reduce inrush current
- Compatible with USB 2.0 and 3.0 specifications
Target Applications
- USB ports in 5G base stations for powering remote radio units
- Automotive dashboard infotainment systems requiring protected power distribution
- Industrial PLC modules for sensor and actuator power
- Portable medical devices like patient monitors
- Set-top boxes and gaming consoles for USB hub power
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS2065DR. 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
TPS2065DR 是德州儀器(TI)推出的單通道限流電源分配開關,專為需要精確限流和熱保護的應用而設計。該器件採用 8 引腳 SOIC 封裝,可在 2.7V 至 5.5V 的寬輸入電壓範圍內提供高達 1A 的連續負載電流。它集成了低導通電阻(典型值 70mΩ)的 N 溝道 MOSFET,以最大限度地減少功耗。TPS2065DR 符合 USB 和其他熱插拔要求,提供過流、過溫和反向電流的全面保護。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
2.7V – 5.5V |
| 連續負載電流 |
1A |
| 導通電阻(典型值) |
70mΩ |
| 限流閾值 |
1.5A(典型值) |
| 工作溫度範圍 |
-40°C 至 +85°C |
| 封裝 |
8-SOIC |
| 使能邏輯 |
高電平有效 |
| 故障標誌輸出 |
開漏,低電平有效 |
| 反向電流保護 |
有 |
| 熱關斷 |
有,自動重啟 |
核心特性
- 精確限流(±10% 精度),保護上游電源
- 低靜態電流(典型值 20µA),適用於電池供電應用
- 快速瞬態響應,適應負載變化
- 欠壓鎖定(UVLO)確保正常啟動
- 內置軟啟動,減小浪湧電流
- 兼容 USB 2.0 和 3.0 規範
典型應用場景
- 5G 基站中的 USB 端口,為遠程射頻單元供電
- 汽車儀表板信息娛樂系統,需要受保護的電源分配
- 工業 PLC 模塊,為傳感器和執行器供電
- 便攜式醫療設備,如病人監護儀
- 機頂盒和遊戲機的 USB 集線器電源
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 TPS2065DR 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。
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