LM3424QMHX/NOPB TI LED Driver | 20-HTSSOP | 40V, 1A, PWM Dimming

Product Overview

The LM3424QMHX/NOPB is a high-voltage, automotive-grade LED driver from Texas Instruments, designed for constant current regulation in series LED strings. It operates from an input voltage range of 4.5V to 40V and delivers up to 1A of output current. The device integrates a high-side current sense amplifier, a PWM dimming input, and a fault protection circuit, making it ideal for automotive lighting, industrial lighting, and general-purpose LED applications. The 20-pin HTSSOP package ensures a compact footprint with excellent thermal performance.

Detailed Technical Specifications

Key Features

• High-side current sensing for accurate LED current regulation
• Integrated PWM dimming with high contrast ratio
• Wide input voltage range suitable for automotive and industrial applications
• Fault protection: overvoltage, overcurrent, and thermal shutdown
• Adjustable switching frequency for optimized efficiency
• Automotive AEC-Q100 qualified

Target Applications

• Automotive exterior lighting: headlamps, daytime running lights (DRL), turn signals
• Automotive interior lighting: dashboard backlighting, ambient lighting
• Industrial lighting: LED streetlights, high-bay lights
• General-purpose constant current LED drivers

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM3424QMHX/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

LM3424QMHX/NOPB 是德州儀器（TI）推出的一款高電壓、車規級 LED 驅動器，專為串聯 LED 燈串的恆流調節而設計。它可在 4.5V 至 40V 的輸入電壓範圍內工作，並提供高達 1A 的輸出電流。該器件集成了高側電流檢測放大器、PWM 調光輸入和故障保護電路，非常適合汽車照明、工業照明和通用 LED 應用。20-HTSSOP 封裝確保了緊湊的尺寸和優異的熱性能。

詳細技術參數

核心特性

• 高側電流檢測，實現精確的 LED 電流調節
• 集成 PWM 調光，具有高對比度
• 寬輸入電壓範圍，適用於汽車和工業應用
• 故障保護：過壓、過流和熱關斷
• 可調開關頻率，優化效率
• 通過 AEC-Q100 車規認證

典型應用場景

• 汽車外部照明：前照燈、日間行車燈（DRL）、轉向燈
• 汽車內部照明：儀表板背光、氛圍燈
• 工業照明：LED 路燈、工礦燈
• 通用恆流 LED 驅動器

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LM3424QMHX/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]