LM3431MH/NOPB TI LED Driver | 28-HTSSOP | 40V, 1.5A, PWM Dimming

Product Overview

The LM3431MH/NOPB is a high-performance, multi-string LED driver from Texas Instruments, designed for automotive and industrial lighting applications. It integrates a boost controller with current sinks, enabling efficient driving of up to 4 LED strings with precise current regulation. The device operates from an input voltage range of 4.5V to 40V and delivers up to 1.5A per string. Its advanced features include PWM dimming, fault protection, and spread spectrum frequency modulation for reduced EMI.

Detailed Technical Specifications

Key Features

• Integrated boost controller with 4 current sinks
• Wide input voltage range: 4.5V to 40V
• High output current: up to 1.5A per string
• PWM dimming with 1000:1 ratio
• Spread spectrum for low EMI
• Comprehensive fault protection (OVP, OCP, OTP, LED fault)
• Thermally enhanced 28-HTSSOP package

Target Applications

• Automotive exterior lighting: headlamps, daytime running lights (DRL), taillights
• Automotive interior lighting: dashboard backlight, ambient lighting
• Industrial lighting: LED panels, streetlights
• 5G base station indicator lights
• General-purpose multi-string LED backlighting

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM3431MH/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

LM3431MH/NOPB 是德州儀器推出的一款高性能多串 LED 驅動器，專為汽車和工業照明應用設計。它集成了升壓控制器和電流沉，能夠高效驅動多達 4 串 LED，並提供精確的電流調節。該器件的工作輸入電壓範圍為 4.5V 至 40V，每串輸出電流高達 1.5A。其先進功能包括 PWM 調光、故障保護以及展頻調製以降低 EMI。

詳細技術參數

核心特性

• 集成升壓控制器和 4 個電流沉
• 寬輸入電壓範圍：4.5V 至 40V
• 高輸出電流：每串高達 1.5A
• PWM 調光，比率 1000:1
• 展頻調製，低 EMI
• 全面的故障保護（過壓、過流、過溫、LED 故障）
• 增強散熱的 28-HTSSOP 封裝

典型應用場景

• 汽車外部照明：前照燈、日間行車燈、尾燈
• 汽車內部照明：儀表板背光、氛圍燈
• 工業照明：LED 面板、路燈
• 5G 基站指示燈
• 通用多串 LED 背光

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LM3431MH/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]