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Product Overview
The TPS2031P from Texas Instruments is a single-channel, current-limited power-distribution switch designed for applications requiring up to 0.7A of continuous current. Housed in an 8-pin PDIP package, this device integrates a 70mΩ N-channel MOSFET with overcurrent, overtemperature, and reverse-current protection. It operates over a wide input voltage range of 2.7V to 5.5V, making it suitable for both 3.3V and 5V bus-powered systems. The TPS2031P features a logic-level enable input (active high) and a fault-reporting output (open-drain) that asserts during overcurrent or overtemperature conditions. Its low quiescent current (typically 50μA) and shutdown current (<1μA) help conserve power in battery-operated devices.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
2.7V – 5.5V |
| Continuous Output Current |
0.7A (min) |
| On-Resistance (RDS(on)) |
70mΩ (typical) |
| Current Limit Threshold |
0.9A (min), 1.5A (max) |
| Quiescent Current (Enabled) |
50μA (typical) |
| Shutdown Current |
<1μA |
| Overcurrent Response Time |
20ms (typical) |
| Operating Temperature Range |
-40°C to +85°C |
| Package |
8-PDIP |
Key Features
- Integrated 70mΩ N-channel MOSFET power switch
- Current limiting to protect load and source
- Thermal shutdown protection
- Reverse-current blocking (no body diode)
- Open-drain fault flag output
- Logic-level enable input (active high)
- Low quiescent and shutdown currents
- Available in 8-PDIP package for easy prototyping
Target Applications
- USB power distribution in 5G base stations (e.g., Nokia AirScale)
- Automotive dashboard infotainment systems (e.g., Tesla Model 3 center display)
- Industrial PLC I/O modules (e.g., Siemens S7-1200)
- Battery-powered IoT gateways (e.g., AWS IoT Greengrass core devices)
- Portable medical devices (e.g., Abbott FreeStyle Libre reader)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS2031P. 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
TPS2031P 是德州儀器 (TI) 推出的單通道限流配電開關,採用 8 引腳 PDIP 封裝,可提供高達 0.7A 的連續電流。該器件集成了 70mΩ N 溝道 MOSFET,具有過流、過熱和反向電流保護功能。其輸入電壓範圍為 2.7V 至 5.5V,適用於 3.3V 和 5V 總線供電系統。TPS2031P 具有邏輯電平使能輸入(高電平有效)和故障報告輸出(開漏),在過流或過熱條件下觸發。典型靜態電流僅 50μA,關斷電流小於 1μA,有助於節省電池供電設備的功耗。
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 |
0.7A(最小值) |
| 導通電阻 (RDS(on)) |
70mΩ(典型值) |
| 限流閾值 |
0.9A(最小值),1.5A(最大值) |
| 靜態電流(使能) |
50μA(典型值) |
| 關斷電流 |
<1μA |
| 過流響應時間 |
20ms(典型值) |
| 工作溫度範圍 |
-40°C 至 +85°C |
| 封裝 |
8-PDIP |
核心特性
- 集成 70mΩ N 溝道 MOSFET 功率開關
- 電流限制保護負載和電源
- 熱關斷保護
- 反向電流阻斷(無體二極管)
- 開漏故障標誌輸出
- 邏輯電平使能輸入(高電平有效)
- 低靜態和關斷電流
- 採用 8-PDIP 封裝,便於原型設計
典型應用場景
- 5G 基站中的 USB 配電(例如 Nokia AirScale)
- 汽車儀表盤信息娛樂系統(例如 Tesla Model 3 中控顯示屏)
- 工業 PLC I/O 模塊(例如 Siemens S7-1200)
- 電池供電的 IoT 網關(例如 AWS IoT Greengrass 核心設備)
- 便攜式醫療設備(例如 Abbott FreeStyle Libre 讀取器)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 TPS2031P 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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