UC3909Q TI Battery Charge Controller | 28-PLCC (11.51X11.51) | Lead-Acid, PWM

Product Overview

The UC3909Q from Texas Instruments is a high-performance lead-acid battery charge controller IC designed for advanced battery management systems. It integrates a PWM controller, voltage and current regulation, and status monitoring in a compact 28-PLCC package (11.51x11.51 mm). The device supports multi-stage charging (bulk, absorption, float) and provides precise control for sealed and flooded lead-acid batteries.

Detailed Technical Specifications

Key Features

• Multi-stage charge algorithm (bulk, absorption, float)
• Programmable charge current and voltage
• PWM control with external MOSFET
• Battery temperature compensation
• Status outputs (charge, fault, AC present)
• Low dropout operation

Target Applications

• 5G base station backup power systems
• Uninterruptible power supplies (UPS) for data centers
• Electric vehicle (EV) charging stations
• Solar energy storage systems
• Industrial battery chargers for forklifts and AGVs

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for UC3909Q. 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

UC3909Q 是德州儀器（TI）推出的一款高性能鉛酸電池充電控制器 IC，專為先進的電池管理系統設計。它集成了 PWM 控制器、電壓和電流調節以及狀態監控功能，採用緊湊的 28-PLCC 封裝（11.51x11.51 mm）。該器件支持多階段充電（恆流、恆壓、浮充），並為密封式和富液式鉛酸電池提供精確控制。

詳細技術參數

核心特性

• 多階段充電算法（恆流、恆壓、浮充）
• 可編程充電電流和電壓
• PWM 控制，外接 MOSFET
• 電池溫度補償
• 狀態輸出（充電、故障、交流電存在）
• 低壓差操作

典型應用場景

• 5G 基站備用電源系統
• 數據中心不間斷電源（UPS）
• 電動汽車（EV）充電站
• 太陽能儲能系統
• 工業電池充電器（用於叉車和 AGV）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 UC3909Q 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

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• 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
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