LM5175RHFR TI DC-DC Controller | 28-VQFN (5x4) | 4.5V-55V Input, 2-Phase

Product Overview

The LM5175RHFR is a versatile, synchronous buck-boost DC-DC controller from Texas Instruments, designed to regulate output voltage from input voltages above, below, or equal to the output. It operates over a wide input voltage range of 4.5V to 55V and supports output voltages from 0.8V to 55V. The device features a 2-phase buck-boost topology with integrated gate drivers for high efficiency and compact solution size. Housed in a 28-pin VQFN (5x4) package, it is ideal for automotive, industrial, and telecom applications.

Detailed Technical Specifications

Key Features

• Wide input voltage range: 4.5V to 55V
• Buck-boost operation with seamless transition
• 2-phase operation for reduced ripple and component size
• Integrated gate drivers for high efficiency
• Programmable switching frequency
• Cycle-by-cycle current limiting
• Thermal shutdown protection
• Enable and soft-start functions

Target Applications

• Automotive: Infotainment systems, dashboard displays, ADAS
• Industrial: PLCs, motor drives, battery-powered equipment
• Telecom: 5G base stations, network switches, routers
• General purpose: USB-C power delivery, LED lighting

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM5175RHFR. 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

LM5175RHFR 是德州儀器推出的一款多功能同步升降壓 DC-DC 控制器，可在輸入電壓高於、低於或等於輸出電壓時調節輸出電壓。其寬輸入電壓範圍為 4.5V 至 55V，輸出電壓範圍為 0.8V 至 55V。該器件採用兩相升降壓拓撲結構，集成柵極驅動器，可實現高效率和小型化解決方案。採用 28 引腳 VQFN（5x4）封裝，適用於汽車、工業和電信應用。

詳細技術參數

核心特性

• 寬輸入電壓範圍：4.5V 至 55V
• 升降壓操作，無縫切換
• 兩相操作，降低紋波和元件尺寸
• 集成柵極驅動器，實現高效率
• 可編程開關頻率
• 逐週期電流限制
• 熱關斷保護
• 使能和軟啟動功能

典型應用場景

• 汽車：信息娛樂系統、儀表板顯示、ADAS
• 工業：PLC、電機驅動、電池供電設備
• 電信：5G 基站、網絡交換機、路由器
• 通用：USB-C 供電、LED 照明

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LM5175RHFR 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]