LM5642XMHX/NOPB TI Dual Synchronous Buck Controller | 28-HTSSOP | 4.5V-36V Input, 2 Outputs

Product Overview

The LM5642XMHX/NOPB is a high-performance dual synchronous buck controller from Texas Instruments, designed for efficient power conversion in demanding applications. Housed in a 28-HTSSOP package, this device integrates two independent step-down controllers with a wide input voltage range of 4.5V to 36V, making it suitable for automotive, industrial, and telecom systems. The controller features adjustable switching frequency up to 1MHz, current-mode control for fast transient response, and programmable soft-start to minimize inrush current. With its robust protection features including overcurrent, overvoltage, and thermal shutdown, the LM5642XMHX/NOPB ensures reliable operation in harsh environments.

Detailed Technical Specifications

Key Features

• Dual synchronous buck controller with independent enable and soft-start
• Wide input voltage range: 4.5V to 36V
• Adjustable switching frequency up to 1 MHz for optimized size and efficiency
• Current-mode control for excellent line and load regulation
• Programmable soft-start reduces inrush current
• Comprehensive protection: overcurrent, overvoltage, undervoltage lockout, thermal shutdown
• External frequency synchronization capability
• Low shutdown current (< 10 μA)

Target Applications

• 5G base station power supplies
• Automotive infotainment and dashboard systems
• Industrial control and automation equipment
• Telecom and networking equipment
• Distributed power architectures
• Battery-powered systems

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM5642XMHX/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

LM5642XMHX/NOPB 是德州儀器推出的一款高性能雙路同步降壓控制器，採用 28-HTSSOP 封裝，適用於要求嚴苛的電源轉換應用。該器件集成兩個獨立的降壓控制器，輸入電壓範圍寬達 4.5V 至 36V，非常適合汽車、工業和電信系統。控制器具有可調開關頻率（最高 1MHz）、電流模式控制以實現快速瞬態響應，以及可編程軟啟動以減小浪湧電流。憑藉過流、過壓和熱關斷等強大的保護功能，LM5642XMHX/NOPB 確保在惡劣環境下可靠運行。

詳細技術參數

核心特性

• 雙路同步降壓控制器，獨立使能和軟啟動
• 寬輸入電壓範圍：4.5V 至 36V
• 可調開關頻率最高 1 MHz，優化尺寸和效率
• 電流模式控制，實現優異的線性和負載調節
• 可編程軟啟動，減小浪湧電流
• 全面保護：過流、過壓、欠壓鎖定、熱關斷
• 外部頻率同步能力
• 低關斷電流（< 10 μA）

典型應用場景

• 5G 基站電源
• 汽車信息娛樂和儀表板系統
• 工業控制和自動化設備
• 電信和網絡設備
• 分布式電源架構
• 電池供電系統

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LM5642XMHX/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]