LM5145RGYR TI DC-DC Controller | 20-VQFN (3.5x4.5) | 4.5V-65V Input, 1A Gate Drive

Product Overview

The LM5145RGYR is a high-performance synchronous buck DC-DC controller from Texas Instruments, designed for step-down voltage regulation in a wide input voltage range. Housed in a compact 20-pin VQFN package (3.5mm x 4.5mm), it integrates a high-side and low-side gate driver capable of 1A peak current, enabling efficient power conversion for industrial, automotive, and telecom applications. The device operates from 4.5V to 65V input, making it suitable for 12V, 24V, and 48V systems. With programmable switching frequency up to 1MHz, it offers flexibility in optimizing efficiency and solution size.

Detailed Technical Specifications

Key Features

• Wide input voltage range: 4.5V to 65V
• Integrated high-side and low-side gate drivers with 1A peak drive capability
• Programmable switching frequency from 100kHz to 1MHz
• Current mode control for fast transient response
• Adjustable soft-start and enable function
• Comprehensive protection: overvoltage, overcurrent, undervoltage lockout, thermal shutdown
• Small 20-pin VQFN package for space-constrained designs

Target Applications

• 5G base station power supplies
• Automotive infotainment and dashboard systems
• Industrial motor drives and PLCs
• Telecom and networking equipment
• Battery-powered systems and USB-C power delivery

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM5145RGYR. 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

LM5145RGYR 是德州儀器（TI）推出的一款高性能同步降壓 DC-DC 控制器，專為寬輸入電壓範圍的降壓穩壓應用而設計。器件採用緊湊的 20 引腳 VQFN 封裝（3.5mm x 4.5mm），集成高側和低側柵極驅動器，峰值驅動電流達 1A，可為工業、汽車和電信應用提供高效電源轉換。輸入電壓範圍為 4.5V 至 65V，適用於 12V、24V 和 48V 系統。可編程開關頻率高達 1MHz，在優化效率和解決方案尺寸方面具有靈活性。

詳細技術參數

核心特性

• 寬輸入電壓範圍：4.5V 至 65V
• 集成高側和低側柵極驅動器，峰值驅動能力 1A
• 可編程開關頻率：100kHz 至 1MHz
• 電流模式控制，實現快速瞬態響應
• 可調軟啟動和使能功能
• 全面保護：過壓、過流、欠壓鎖定、熱關斷
• 小型 20 引腳 VQFN 封裝，適合空間受限設計

典型應用場景

• 5G 基站電源
• 汽車信息娛樂系統和儀表板
• 工業電機驅動和 PLC
• 電信和網絡設備
• 電池供電系統和 USB-C 電源傳輸

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LM5145RGYR 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]