UC2844AQD TI PWM Controller | 14-SOIC | 48V, 1A, 500kHz

Product Overview

The UC2844AQD is a high-performance current-mode PWM controller from Texas Instruments, designed for off-line and DC-to-DC converter applications. It features a 48V maximum supply voltage, 1A peak gate drive current, and operates at frequencies up to 500kHz. Housed in a compact 14-SOIC package, this device offers enhanced reliability with its -40°C to 125°C operating temperature range. The UC2844AQD integrates essential functions such as an oscillator, error amplifier, precision reference, and protection features, making it ideal for demanding power supply designs.

Detailed Technical Specifications

Key Features

• Current-mode control for improved transient response and simplified loop compensation
• 1A peak gate drive for efficient switching of power MOSFETs
• Wide supply voltage range up to 48V
• Precision 5V reference with ±2% accuracy
• Under-voltage lockout with hysteresis
• Low startup current (0.5mA typical)
• Programmable soft-start and shutdown
• High-reliability design for industrial and automotive applications

Target Applications

• 5G base station power supplies
• Automotive dashboard and infotainment systems
• Industrial DC-DC converters
• Telecom and networking equipment
• LED lighting drivers
• Battery chargers

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for UC2844AQD. 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

UC2844AQD 是德州儀器（TI）推出的一款高性能電流模式 PWM 控制器，專為離線式和 DC-DC 轉換器應用設計。它支持高達 48V 的電源電壓、1A 峰值柵極驅動電流，並可在高達 500kHz 的頻率下工作。採用緊湊的 14-SOIC 封裝，工作溫度範圍為 -40°C 至 125°C，具有更高的可靠性。UC2844AQD 集成了振盪器、誤差放大器、精密參考電源和保護功能，是高性能電源設計的理想選擇。

詳細技術參數

核心特性

• 電流模式控制，改善瞬態響應並簡化環路補償
• 1A 峰值柵極驅動，高效驅動功率 MOSFET
• 寬電源電壓範圍，最高 48V
• 精密 5V 參考電源，精度 ±2%
• 帶滯回的欠壓鎖定
• 低啟動電流（典型值 0.5mA）
• 可編程軟啟動和關斷
• 專為工業和汽車應用設計的高可靠性

典型應用場景

• 5G 基站電源
• 汽車儀表盤和信息娛樂系統
• 工業 DC-DC 轉換器
• 電信和網絡設備
• LED 照明驅動器
• 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 UC2844AQD 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]