UC3901Q TI Battery Charge Controller | 20-PLCC (9x9) | 4.5V-40V, 0.5% Ref

Product Overview

The UC3901Q from Texas Instruments is a high-performance battery charge controller IC designed for sealed lead-acid (SLA) and lithium-ion battery systems. It integrates precision voltage reference, current sensing, and logic control in a compact 20-PLCC package (9x9 mm). The device operates over a wide input voltage range of 4.5V to 40V and delivers accurate charge management with ±0.5% reference voltage tolerance. Its advanced features include programmable charge current, overvoltage protection, and status indication, making it ideal for demanding industrial and automotive applications.

Detailed Technical Specifications

Key Features

• Precision ±0.5% voltage reference for accurate charge termination
• Wide input voltage range (4.5V to 40V) supports various power sources
• Programmable charge current via external resistor
• Built-in overvoltage and overcurrent protection
• Status output for charge indication (LED or microcontroller)
• Low quiescent current (2.5 mA) for battery-powered systems
• Compact 20-PLCC package saves board space

Target Applications

• 5G base station backup battery chargers
• Automotive dashboard battery management systems
• Industrial UPS (Uninterruptible Power Supplies)
• Portable medical devices (e.g., defibrillators)
• Solar-powered battery charging stations
• Electric vehicle (EV) auxiliary battery chargers

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for UC3901Q. 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

UC3901Q 是德州儀器（TI）推出的一款高性能電池充電控制器 IC，專為密封鉛酸（SLA）和鋰離子電池系統設計。它集成了精密電壓基準、電流檢測和邏輯控制功能，採用緊湊的 20-PLCC 封裝（9x9 mm）。該器件可在 4.5V 至 40V 的寬輸入電壓範圍內工作，並以 ±0.5% 的基準電壓容差提供精確的充電管理。其先進功能包括可編程充電電流、過壓保護和狀態指示，使其成為要求嚴苛的工業和汽車應用的理想選擇。

詳細技術參數

核心特性

• 精密的 ±0.5% 電壓基準，實現準確的充電終止
• 寬輸入電壓範圍（4.5V 至 40V），支援多種電源
• 通過外部電阻可編程充電電流
• 內置過壓和過流保護
• 狀態輸出，用於充電指示（LED 或微控制器）
• 低靜態電流（2.5 mA），適用於電池供電系統
• 緊湊的 20-PLCC 封裝，節省電路板空間

典型應用場景

• 5G 基站備用電池充電器
• 汽車儀表板電池管理系統
• 工業 UPS（不間斷電源）
• 便攜式醫療設備（如除顫器）
• 太陽能電池充電站
• 電動汽車（EV）輔助電池充電器

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 UC3901Q 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]