LMR51440FSQDRRRQ1 TI DC-DC Converter | 12-WSON (3x3) | 4A, 36V

Product Overview

The LMR51440FSQDRRRQ1 from Texas Instruments is a high-performance, automotive-grade step-down DC-DC converter. It integrates a 4A switch with a wide input voltage range of 4.5V to 36V, making it suitable for a variety of power supply applications. The device is housed in a compact 12-WSON (3x3) package, offering excellent thermal performance and space savings. With its advanced features like frequency synchronization, power-good output, and overcurrent protection, the LMR51440FSQDRRRQ1 ensures reliable and efficient power conversion.

Detailed Technical Specifications

Key Features

• Wide input voltage range: 4.5V to 36V
• 4A continuous output current
• Adjustable switching frequency from 200kHz to 2.2MHz
• Integrated power MOSFETs with low RDS(on)
• Power-good output for sequencing and monitoring
• Frequency synchronization to external clock
• Internal compensation and soft-start
• Overcurrent and overtemperature protection
• Automotive AEC-Q100 qualified

Target Applications

• Automotive infotainment and cluster systems (e.g., dashboard displays)
• Advanced driver-assistance systems (ADAS) cameras and sensors
• 5G base station power supplies
• Industrial automation and robotics
• Telecommunications equipment
• Battery-powered systems

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LMR51440FSQDRRRQ1. 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

LMR51440FSQDRRRQ1 是德州儀器（TI）推出的一款高性能、車規級降壓DC-DC轉換器。它集成了4A開關，輸入電壓範圍寬達4.5V至36V，適用於多種電源應用。器件採用緊湊的12-WSON（3x3）封裝，具有出色的熱性能和節省空間的優勢。憑藉頻率同步、電源正常輸出和過流保護等先進功能，LMR51440FSQDRRRQ1確保了可靠高效的電源轉換。

詳細技術參數

核心特性

• 寬輸入電壓範圍：4.5V 至 36V
• 4A 連續輸出電流
• 可調開關頻率：200kHz 至 2.2MHz
• 集成低導通電阻功率MOSFET
• 電源正常輸出，用於排序和監控
• 可同步至外部時鐘
• 內部補償和軟啟動
• 過流和過溫保護
• 符合AEC-Q100車規標準

典型應用場景

• 汽車資訊娛樂和儀表板系統（例如儀表板顯示器）
• 先進駕駛輔助系統（ADAS）攝像頭和傳感器
• 5G基站電源
• 工業自動化和機器人
• 電信設備
• 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 LMR51440FSQDRRRQ1 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]