LMQ644A0QRXARQ1 TI Power Management IC | 24-VQFN-FCRLF (4X5) | 4A, 36V

Product Overview

The LMQ644A0QRXARQ1 is a high-performance synchronous buck converter from Texas Instruments, designed for automotive and industrial applications. It operates over a wide input voltage range of 3.5V to 36V and delivers up to 4A continuous output current. The device is housed in a compact 24-VQFN-FCRLF (4x5mm) package, making it ideal for space-constrained designs. With integrated MOSFETs and advanced EMI reduction features, it provides efficient power conversion with minimal external components.

Detailed Technical Specifications

Key Features

• Integrated high-side and low-side MOSFETs
• Adjustable soft-start and current limit
• Spread spectrum for low EMI
• Power-good output and enable control
• Over-temperature and over-voltage protection
• Supports pre-biased output

Target Applications

• Automotive infotainment and cluster (e.g., dashboard displays)
• 5G base station power supplies
• Industrial automation and robotics
• Telecom and networking equipment
• Battery-powered systems

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LMQ644A0QRXARQ1. 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

LMQ644A0QRXARQ1 是德州儀器（TI）推出的一款高性能同步降壓轉換器，專為汽車和工業應用設計。它支持 3.5V 至 36V 的寬輸入電壓範圍，並可提供高達 4A 的連續輸出電流。器件採用緊湊的 24-VQFN-FCRLF（4x5mm）封裝，非常適合空間受限的設計。憑藉集成 MOSFET 和先進的 EMI 降低功能，它能夠以最少的外部元件實現高效的電源轉換。

詳細技術參數

核心特性

• 集成高側和低側 MOSFET
• 可調軟啟動和電流限制
• 展頻技術降低 EMI
• 電源正常輸出和使能控制
• 過溫和過壓保護
• 支持預偏置輸出

典型應用場景

• 汽車信息娛樂和儀表盤（例如儀表板顯示器）
• 5G 基站電源
• 工業自動化和機器人
• 電信和網絡設備
• 電池供電系統

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LMQ644A0QRXARQ1 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]