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Product Overview
The TPS2224DBR from Texas Instruments is a dual-slot, dual-channel power distribution switch designed for CardBus and PCMCIA applications. It integrates two independent 1A current-limited power switches with controlled rise times to minimize inrush current. The device operates over a wide input voltage range of 2.7V to 5.5V, making it suitable for various low-voltage systems. Housed in a compact 24-SSOP package, it offers a space-saving solution for portable and embedded designs.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
2.7V – 5.5V |
| Continuous Output Current per Channel |
1A |
| On-Resistance (RDS(on)) |
70 mΩ typical |
| Quiescent Current |
85 µA typical |
| Shutdown Current |
1 µA typical |
| Overcurrent Threshold |
1.5A typical |
| Operating Temperature Range |
-40°C to +85°C |
| Package |
24-SSOP |
Key Features
- Dual-channel power distribution with independent enable control
- Current limiting to protect host and peripherals
- Thermal shutdown protection
- Undervoltage lockout (UVLO)
- Fast transient response
- Low quiescent current for battery-powered applications
- Compatible with 3.3V and 5V logic
Target Applications
- PCMCIA/CardBus slots in laptops and industrial computers
- 5G base station control modules
- Automotive infotainment dashboards
- Portable medical devices
- Point-of-sale terminals
- USB peripheral power management
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS2224DBR. 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.
-
100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
-
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
TPS2224DBR 是德州儀器(TI)推出的雙插槽、雙通道電源分配開關,專為 CardBus 和 PCMCIA 應用設計。它集成了兩個獨立的 1A 限流電源開關,具有受控上升時間以最小化浪湧電流。器件在 2.7V 至 5.5V 的寬輸入電壓範圍內工作,適用於各種低壓系統。採用緊湊的 24-SSOP 封裝,為便攜式和嵌入式設計提供了節省空間的解決方案。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
2.7V – 5.5V |
| 每通道連續輸出電流 |
1A |
| 導通電阻 (RDS(on)) |
典型 70 mΩ |
| 靜態電流 |
典型 85 µA |
| 關斷電流 |
典型 1 µA |
| 過流閾值 |
典型 1.5A |
| 工作溫度範圍 |
-40°C 至 +85°C |
| 封裝 |
24-SSOP |
核心特性
- 雙通道電源分配,獨立使能控制
- 電流限制保護主機和外設
- 熱關斷保護
- 欠壓鎖定 (UVLO)
- 快速瞬態響應
- 低靜態電流,適合電池供電應用
- 兼容 3.3V 和 5V 邏輯
典型應用場景
- 筆記本電腦和工業計算機中的 PCMCIA/CardBus 插槽
- 5G 基站控制模塊
- 汽車信息娛樂儀表板
- 便攜式醫療設備
- 銷售點終端
- USB 外設電源管理
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 TPS2224DBR 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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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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