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Product Overview
The TPS2033D from Texas Instruments is a high-side power distribution switch designed for applications requiring precision current limiting and thermal protection. Housed in an 8-pin SOIC package, this device operates over a wide input voltage range of 2.7V to 5.5V and provides a continuous output current of 0.5A. Its integrated N-channel MOSFET and charge pump enable efficient power management with minimal external components. The TPS2033D features an enable input, fault reporting, and under-voltage lockout, making it ideal for USB ports, peripheral power control, and hot-swap applications.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
2.7V – 5.5V |
| Continuous Output Current |
0.5A |
| On-Resistance (typical) |
80 mΩ |
| Current Limit Threshold |
0.75A (min), 1.25A (max) |
| Operating Temperature |
-40°C to +85°C |
| Package |
8-SOIC |
| Enable Logic |
Active High |
| Fault Flag |
Open-drain, active low |
| Under-Voltage Lockout |
2.4V (typical) |
Key Features
- Integrated high-side N-channel MOSFET with charge pump
- Precise current limiting (±20% tolerance)
- Thermal shutdown protection
- Under-voltage lockout (UVLO)
- Fault flag output for overcurrent or thermal events
- Enable input for ON/OFF control
- Low quiescent current (50 µA typical)
- Available in 8-pin SOIC package
Target Applications
- USB power distribution in 5G base stations
- Dashboard infotainment systems in automotive
- Industrial PLC I/O modules
- Portable electronics battery charging circuits
- Hot-swap power management for servers
- Set-top boxes and gaming consoles
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS2033D. 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
TPS2033D 是德州儀器推出的一款高端電源分配開關,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,工作輸入電壓範圍為 2.7V 至 5.5V,提供 0.5A 的連續輸出電流。內置 N 溝道 MOSFET 和電荷泵可在最少外部元件的情況下實現高效的電源管理。TPS2033D 具有使能輸入、故障報告和欠壓鎖定功能,非常適合 USB 端口、外設電源控制和熱插拔應用。
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 |
| 導通電阻(典型值) |
80 mΩ |
| 限流閾值 |
0.75A(最小值),1.25A(最大值) |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
8-SOIC |
| 使能邏輯 |
高電平有效 |
| 故障標誌 |
開漏輸出,低電平有效 |
| 欠壓鎖定 |
2.4V(典型值) |
核心特性
- 集成高端 N 溝道 MOSFET 和電荷泵
- 精確限流(±20% 容差)
- 熱關斷保護
- 欠壓鎖定(UVLO)
- 故障標誌輸出,指示過流或過熱事件
- 使能輸入,用於開/關控制
- 低靜態電流(典型值 50 µA)
- 採用 8 引腳 SOIC 封裝
典型應用場景
- 5G 基站中的 USB 電源分配
- 汽車儀表板信息娛樂系統
- 工業 PLC I/O 模塊
- 便攜式電子設備電池充電電路
- 服務器的熱插拔電源管理
- 機頂盒和遊戲主機
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 TPS2033D 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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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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