LM5148PSQRGYRQ1 TI DC-DC Controller | 19-VQFN (4.5x3.5) | 3.5V-65V, 1A

Product Overview

The LM5148PSQRGYRQ1 is a synchronous buck DC-DC controller from Texas Instruments, designed for high-voltage automotive and industrial applications. It operates over a wide input voltage range of 3.5V to 65V and delivers up to 1A of gate drive current. The device is housed in a compact 19-pin VQFN package (4.5mm x 3.5mm) and features low quiescent current, making it ideal for battery-powered systems.

Detailed Technical Specifications

Key Features

• Wide input voltage range: 3.5V to 65V
• Low quiescent current: 10 µA
• Programmable switching frequency up to 2.2MHz
• Integrated high-side and low-side gate drivers
• Peak current mode control
• Frequency synchronization capability
• Overcurrent, overvoltage, and thermal protection
• AEC-Q100 qualified for automotive applications

Target Applications

• Automotive infotainment and cluster systems (e.g., dashboard displays)
• 5G base station power supplies
• Industrial power supplies and battery chargers
• Telecom and networking equipment
• LED lighting systems

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM5148PSQRGYRQ1. 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

LM5148PSQRGYRQ1 是德州儀器推出的同步降壓 DC-DC 控制器，專為高電壓汽車和工業應用設計。它支援 3.5V 至 65V 的寬輸入電壓範圍，並提供高達 1A 的柵極驅動電流。該器件採用緊湊的 19 引腳 VQFN 封裝（4.5mm x 3.5mm），具有低靜態電流，非常適合電池供電系統。

詳細技術參數

核心特性

• 寬輸入電壓範圍：3.5V 至 65V
• 低靜態電流：10 µA
• 可編程開關頻率高達 2.2MHz
• 集成高側和低側柵極驅動器
• 峰值電流模式控制
• 頻率同步功能
• 過流、過壓和熱保護
• 通過 AEC-Q100 汽車級認證

典型應用場景

• 汽車信息娛樂和儀表板系統（例如儀表板顯示器）
• 5G 基站電源
• 工業電源和電池充電器
• 電信和網絡設備
• LED 照明系統

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LM5148PSQRGYRQ1 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]