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Product Overview
The TPS2046AD from Texas Instruments is a single-channel, current-limited power-distribution switch optimized for general-purpose power-switching applications. It features a 70mΩ N-channel MOSFET with a typical current limit of 0.5A, operating over a wide input voltage range of 2.7V to 5.5V. The device is housed in an 8-pin SOIC package, providing a compact solution for USB and other hot-swap applications. It includes thermal shutdown and overcurrent protection, making it ideal for robust power management in industrial and consumer electronics.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
2.7V – 5.5V |
| Continuous Output Current |
0.5A (typical) |
| On-Resistance (RDS(on)) |
70mΩ (typical) |
| Current Limit Accuracy |
±20% |
| Operating Temperature Range |
-40°C to +85°C |
| Package |
8-SOIC |
| Enable Logic |
Active High |
| Protection Features |
Overcurrent, Thermal Shutdown, Reverse Current Blocking |
Key Features
- 70mΩ low on-resistance N-channel MOSFET
- 0.5A continuous current capability
- Wide input voltage range: 2.7V to 5.5V
- Integrated overcurrent and thermal protection
- Reverse current blocking when disabled
- Active-high enable logic
- 8-pin SOIC package for space-constrained designs
- Under-voltage lockout (UVLO)
Target Applications
- USB power distribution in 5G base stations (e.g., powering control modules)
- Automotive dashboard infotainment systems (e.g., USB charging ports)
- Industrial PLCs and I/O modules
- Portable consumer electronics (e.g., tablets, cameras)
- Hot-swap power management in servers and networking equipment
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS2046AD. 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
TPS2046AD 是德州儀器 (TI) 推出的一款單通道限流電源分配開關,專為通用電源開關應用而優化。它採用 70mΩ N 溝道 MOSFET,典型限流值為 0.5A,工作輸入電壓範圍為 2.7V 至 5.5V。器件採用 8 引腳 SOIC 封裝,為 USB 及其他熱插拔應用提供緊湊型解決方案。內置熱關斷和過流保護功能,使其成為工業和消費電子產品中穩健電源管理的理想選擇。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
2.7V – 5.5V |
| 連續輸出電流 |
0.5A(典型值) |
| 導通電阻 (RDS(on)) |
70mΩ(典型值) |
| 限流精度 |
±20% |
| 工作溫度範圍 |
-40°C 至 +85°C |
| 封裝 |
8-SOIC |
| 使能邏輯 |
高電平有效 |
| 保護功能 |
過流、熱關斷、反向電流阻斷 |
核心特性
- 70mΩ 低導通電阻 N 溝道 MOSFET
- 0.5A 連續電流能力
- 寬輸入電壓範圍:2.7V 至 5.5V
- 集成過流和熱保護
- 禁用時反向電流阻斷
- 高電平有效使能邏輯
- 8 引腳 SOIC 封裝,適合空間受限設計
- 欠壓鎖定 (UVLO)
典型應用場景
- 5G 基站中的 USB 電源分配(例如為控制模塊供電)
- 汽車儀表板信息娛樂系統(例如 USB 充電端口)
- 工業 PLC 和 I/O 模塊
- 便攜式消費電子產品(例如平板電腦、相機)
- 服務器和網絡設備中的熱插拔電源管理
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 TPS2046AD 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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深港聯動,結算靈活:深圳直發全球,物流高效可靠;支援香港銀行戶口轉賬及多幣種結算。
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Escrow 擔保交易:支援 Escrow.com 平台交易,保障買賣雙方權益,小批量訂單亦可安心在線下單。
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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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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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100% 原廠正貨:承諾所有供應零件均為原裝現貨,品質嚴格把關,來源清晰可追溯。
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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。
以上產品均為原廠正貨,提供 BOM 配單及現貨庫存支援,歡迎查詢。
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