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Product Overview
The TPS2214DBR from Texas Instruments is a dual-channel power distribution switch designed for USB and general-purpose applications. It integrates two independent 1A current-limited switches with a controlled rise time to minimize inrush current. The device operates over a wide input voltage range of 2.7V to 5.5V, making it suitable for battery-powered and 5V systems. Each switch features an enable pin and a fault flag output for overcurrent and thermal shutdown conditions. The TPS2214DBR is available in a 16-pin SSOP package, offering a compact solution for power management.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Channels |
2 |
| Continuous Current per Channel |
1 A |
| Input Voltage Range |
2.7 V to 5.5 V |
| On-Resistance (Typical) |
70 mΩ |
| Current Limit Threshold |
1.5 A (typical) |
| Enable Logic |
Active High |
| Fault Flag Output |
Open-drain, active low |
| Operating Temperature Range |
-40°C to +85°C |
| Package |
16-pin SSOP (DBR) |
Key Features
- Dual 1A current-limited power switches
- Controlled rise time to reduce inrush current
- Undervoltage lockout (UVLO)
- Overcurrent and thermal shutdown protection with fault flag
- Low quiescent current (1 µA typical in shutdown)
- Reverse current blocking when disabled
- Compatible with USB 2.0 and 3.0 specifications
Target Applications
- USB hubs and host ports in desktop computers and laptops
- 5G base station power distribution for control modules
- Automotive infotainment systems and dashboard USB ports
- Industrial automation controllers with USB interfaces
- Portable battery-powered devices requiring power switching
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS2214DBR. 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
TPS2214DBR 是德州儀器推出的雙通道電源分配開關,專為 USB 及通用電源管理應用設計。它集成了兩個獨立的 1A 限流開關,具有受控上升時間以減小浪湧電流。器件工作電壓範圍為 2.7V 至 5.5V,適用於電池供電和 5V 系統。每個開關均配有使能引腳和故障標誌輸出,用於過流和熱關斷指示。TPS2214DBR 採用 16 引腳 SSOP 封裝,提供緊湊的電源管理解決方案。
詳細技術參數
| 參數 |
數值 |
| 通道數 |
2 |
| 每通道連續電流 |
1 A |
| 輸入電壓範圍 |
2.7 V 至 5.5 V |
| 導通電阻(典型值) |
70 mΩ |
| 限流閾值 |
1.5 A(典型值) |
| 使能邏輯 |
高電平有效 |
| 故障標誌輸出 |
開漏,低電平有效 |
| 工作溫度範圍 |
-40°C 至 +85°C |
| 封裝 |
16 引腳 SSOP (DBR) |
核心特性
- 雙路 1A 限流電源開關
- 受控上升時間以減小浪湧電流
- 欠壓鎖定 (UVLO)
- 過流和熱關斷保護,帶故障標誌
- 低靜態電流(關斷時典型值 1 µA)
- 關斷時反向電流阻斷
- 兼容 USB 2.0 和 3.0 規範
典型應用場景
- 台式電腦和筆記本電腦的 USB 集線器及主機端口
- 5G 基站控制模塊的電源分配
- 汽車信息娛樂系統和儀表板 USB 端口
- 帶 USB 接口的工業自動化控制器
- 需要電源切換的便攜式電池供電設備
環球供應鏈與批發合作夥伴方案
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我們的核心優勢包括:
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