UCC3921DTR/81143 TI Hot Swap Controller | 8-SOIC | 2.7V-8V, 1.5A

Product Overview

The UCC3921DTR/81143 is a hot swap controller from Texas Instruments, designed to manage safe insertion and removal of circuit boards in live power systems. It operates over a supply voltage range of 2.7V to 8V and can drive an external N-channel MOSFET to control inrush current and provide overcurrent protection. The device is housed in a compact 8-SOIC package, making it suitable for space-constrained applications.

Detailed Technical Specifications

Key Features

• Hot swap controller for safe board insertion
• Adjustable overcurrent protection
• Under-voltage lockout (UVLO)
• Power-good indicator
• Low quiescent current
• Small 8-SOIC package

Target Applications

• 5G base station power distribution
• Automotive dashboard infotainment systems
• Industrial PLC modules
• Server and storage backplanes
• Telecom line cards

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for UCC3921DTR/81143. Our core advantages include:

• 24/7 Global Customer Support: Professional team providing instant quotes and technical support worldwide.
• In-stock Inventory, Same-day Shipping: We maintain localized stock; orders confirmed before 4 PM are shipped the same day.
• HK-SZ Synergy, Flexible Settlement: Direct global shipping from Shenzhen with support for HK bank transfers and multi-currency.
• Escrow Secured Transactions: We support Escrow.com for secure transactions, ensuring peace of mind for batch orders.
• 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.
• Original Factory Packaging: We maintain original factory packaging and seals to ensure ESD protection and physical integrity.

產品概述

UCC3921DTR/81143 是德州儀器 (TI) 的一款熱插拔控制器，專為在帶電電源系統中安全插拔電路板而設計。它可在 2.7V 至 8V 的電源電壓範圍內工作，並驅動外部 N 溝道 MOSFET 以控制浪湧電流並提供過流保護。該器件採用緊湊的 8-SOIC 封裝，適用於空間受限的應用。

詳細技術參數

核心特性

• 熱插拔控制器，安全插拔電路板
• 可調節過流保護
• 欠壓鎖定 (UVLO)
• 電源正常指示
• 低靜態電流
• 小型 8-SOIC 封裝

典型應用場景

• 5G 基站電源分配
• 汽車儀表盤信息娛樂系統
• 工業 PLC 模塊
• 服務器和存儲背板
• 電信線路卡

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 UCC3921DTR/81143 提供全面的供應鏈與批發解決方案。 我們的核心優勢包括：

• 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。
• 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。
• 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。
• 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。
• 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。

• 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。
• 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。
• 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。

HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]