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Product Overview
The TPS2043AD from Texas Instruments is a dual-channel, current-limited power-distribution switch designed for applications requiring precision power management. Housed in a 16-pin SOIC package, it provides independent enable control and overcurrent protection for each channel. With an input voltage range of 2.7V to 5.5V and a continuous output current of 0.5A per channel, it is ideal for USB ports, peripheral power management, and hot-swap applications.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
2.7V to 5.5V |
| Continuous Output Current per Channel |
0.5A |
| Current Limit Threshold |
0.75A (typical) |
| On-Resistance (RON) |
70 mΩ (typical) |
| Quiescent Current |
85 µA (typical) |
| Shutdown Current |
1 µA (max) |
| Operating Temperature Range |
-40°C to +85°C |
| Package |
16-SOIC |
Key Features
- Dual-channel independent power switch with overcurrent protection
- Low on-resistance (70 mΩ) minimizes power loss
- Enable logic compatible with 3.3V and 5V logic
- Built-in thermal shutdown protection
- Undervoltage lockout (UVLO) ensures proper operation
- Fast transient response for capacitive loads
Target Applications
- USB power distribution in 5G base stations
- Power management for automotive dashboard displays
- Industrial control systems requiring multiple power rails
- Hot-swap power supplies for servers and networking equipment
- Portable electronics with USB OTG support
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS2043AD. 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
TPS2043AD 是德州儀器推出的雙通道限流電源分配開關,採用 16 引腳 SOIC 封裝,適用於需要精確電源管理的應用。每個通道具有獨立的使能控制和過流保護功能。輸入電壓範圍為 2.7V 至 5.5V,每通道連續輸出電流為 0.5A,非常適合 USB 端口、外設電源管理和熱插拔應用。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
2.7V 至 5.5V |
| 每通道連續輸出電流 |
0.5A |
| 限流閾值 |
0.75A(典型值) |
| 導通電阻 (RON) |
70 mΩ(典型值) |
| 靜態電流 |
85 µA(典型值) |
| 關斷電流 |
1 µA(最大值) |
| 工作溫度範圍 |
-40°C 至 +85°C |
| 封裝 |
16-SOIC |
核心特性
- 雙通道獨立電源開關,帶過流保護
- 低導通電阻(70 mΩ),降低功耗
- 使能邏輯兼容 3.3V 和 5V 邏輯
- 內置熱關斷保護
- 欠壓鎖定(UVLO)確保正常運行
- 對容性負載具有快速瞬態響應
典型應用場景
- 5G 基站的 USB 電源分配
- 汽車儀表盤顯示器的電源管理
- 需要多路電源軌的工業控制系統
- 服務器和網絡設備的熱插拔電源
- 支持 USB OTG 的便攜式電子設備
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 TPS2043AD 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。
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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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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