LM5145QRGYRQ1 TI DC-DC Controller | 20-VQFN (3.5x4.5) | 4.5V-65V Input, 1A Gate Drive

Product Overview

The LM5145QRGYRQ1 is a synchronous buck DC-DC controller from Texas Instruments, designed for high-voltage step-down power conversion. It operates over a wide input voltage range of 4.5V to 65V, making it suitable for automotive and industrial applications. The device features a 1A peak gate drive capability, enabling efficient power delivery to loads up to 20A or more with external MOSFETs. Housed in a compact 20-pin VQFN package (3.5mm x 4.5mm), it offers a robust solution for space-constrained designs.

Detailed Technical Specifications

Key Features

• Wide input voltage range: 4.5V to 65V
• Adjustable switching frequency up to 2.2MHz
• 1A peak gate drive for external MOSFETs
• Peak current mode control for fast transient response
• Integrated bootstrap diode
• Programmable soft-start
• Precision enable and input UVLO
• Overcurrent, overvoltage, and thermal protection
• Automotive qualified (AEC-Q100)

Target Applications

• Automotive infotainment and cluster systems (e.g., dashboard power supplies)
• 5G base station power distribution
• Industrial power supplies for factory automation
• Telecom and networking equipment
• Battery management systems
• General-purpose step-down converters

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM5145QRGYRQ1. 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

LM5145QRGYRQ1 是德州儀器（TI）推出的同步降壓 DC-DC 控制器，專為高電壓降壓電源轉換設計。其輸入電壓範圍為 4.5V 至 65V，適用於汽車和工業應用。該器件具有 1A 峰值柵極驅動能力，可通過外部 MOSFET 實現高達 20A 或更高的負載供電。採用緊湊的 20 引腳 VQFN 封裝（3.5mm x 4.5mm），為空間受限的設計提供了穩健的解決方案。

詳細技術參數

核心特性

• 寬輸入電壓範圍：4.5V 至 65V
• 可調開關頻率高達 2.2MHz
• 1A 峰值柵極驅動，用於外部 MOSFET
• 峰值電流模式控制，實現快速瞬態響應
• 集成自舉二極管
• 可編程軟啟動
• 精確使能和輸入欠壓鎖定
• 過流、過壓和熱保護
• 通過汽車級認證（AEC-Q100）

典型應用場景

• 汽車信息娛樂和儀表系統（例如儀表板電源）
• 5G 基站電源分配
• 工業自動化電源
• 電信和網絡設備
• 電池管理系統
• 通用降壓轉換器

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LM5145QRGYRQ1 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]