LM5117PSQ/NOPB TI Wide Vin Sync Buck Controller | 24-WQFN (4x4) | 4.5V-65V, 1% Ref

Product Overview

The LM5117PSQ/NOPB is a wide input voltage range synchronous buck controller from Texas Instruments, designed for high-efficiency step-down DC-DC conversion. It operates from 4.5V to 65V, making it suitable for industrial, automotive, and telecom power systems. The device features a 1% reference voltage accuracy, programmable frequency up to 1MHz, and robust protection features including cycle-by-cycle current limit, hiccup mode short-circuit protection, and thermal shutdown. Housed in a compact 24-pin WQFN (4x4mm) package, it enables high-density power supply designs.

Detailed Technical Specifications

Key Features

• Wide input voltage range: 4.5V to 65V
• 1% reference voltage accuracy over temperature
• Programmable switching frequency up to 1MHz
• Adaptive dead-time control for high efficiency
• Cycle-by-cycle current limit and hiccup mode short-circuit protection
• Thermal shutdown protection
• Pre-bias startup capability
• External synchronization capability
• Low shutdown current (<10µA)

Target Applications

• 5G base station power supplies (e.g., remote radio unit DC-DC converters)
• Automotive infotainment and dashboard power systems (e.g., 12V to 3.3V/5V rails)
• Industrial motor drives and PLC power modules
• Telecom and networking equipment (e.g., 48V to 12V intermediate bus converters)
• Battery-powered systems with wide input range (e.g., 24V/48V battery packs)

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM5117PSQ/NOPB. 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

LM5117PSQ/NOPB 是德州儀器（TI）推出的一款寬輸入電壓範圍同步降壓控制器，專為高效降壓 DC-DC 轉換設計。其輸入電壓範圍為 4.5V 至 65V，適用於工業、汽車和電信電源系統。該器件具有 1% 基準電壓精度、可編程頻率（最高 1MHz）以及強大的保護功能，包括逐週期電流限制、打嗝模式短路保護和熱關斷。採用緊湊的 24 引腳 WQFN（4x4mm）封裝，有助於實現高密度電源設計。

詳細技術參數

核心特性

• 寬輸入電壓範圍：4.5V 至 65V
• 全溫度範圍內 1% 基準電壓精度
• 可編程開關頻率，最高 1MHz
• 自適應死區時間控制，實現高效率
• 逐週期電流限制和打嗝模式短路保護
• 熱關斷保護
• 預偏置啟動能力
• 外部同步能力
• 低關斷電流（<10µA）

典型應用場景

• 5G 基站電源（例如遠程射頻單元的 DC-DC 轉換器）
• 汽車信息娛樂和儀表板電源系統（例如 12V 轉 3.3V/5V 軌）
• 工業電機驅動和 PLC 電源模塊
• 電信和網絡設備（例如 48V 轉 12V 中間總線轉換器）
• 寬輸入範圍的電池供電系統（例如 24V/48V 電池組）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LM5117PSQ/NOPB 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]