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Product Overview
The LM3424MH/NOPB from Texas Instruments is a versatile, constant-current LED driver designed for high-brightness LED applications. 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 thermal shutdown feature, making it ideal for automotive, industrial, and general lighting systems. Housed in a 20-HTSSOP package, it offers excellent thermal performance and a compact footprint.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
4.5V to 40V |
| Output Current |
Up to 1A |
| Switching Frequency |
Up to 1 MHz |
| Dimming Method |
PWM (0-100%) |
| Package |
20-HTSSOP |
| Operating Temperature |
-40°C to +125°C |
| Protection Features |
Thermal Shutdown, Cycle-by-Cycle Current Limit |
Key Features
- Wide input voltage range (4.5V to 40V) for automotive and industrial applications
- High-side current sensing for accurate LED current regulation
- PWM dimming input for precise brightness control
- Integrated thermal shutdown and current limit protection
- Up to 1 MHz switching frequency for smaller external components
- Low shutdown current (< 1 µA)
Target Applications
- Automotive lighting: headlamps, daytime running lights (DRL), taillights
- Industrial lighting: high-bay fixtures, streetlights
- General LED lighting: downlights, panel lights
- 5G base station indicator lights
- Dashboard backlighting in vehicles
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM3424MH/NOPB. Our core advantages include:
-
24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
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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.
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100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
LM3424MH/NOPB 是德州儀器(TI)推出的一款多功能恆流 LED 驅動器,專為高亮度 LED 應用設計。其輸入電壓範圍為 4.5V 至 40V,輸出電流高達 1A。該器件集成了高端電流檢測放大器、PWM 調光輸入和熱關斷功能,非常適合汽車、工業和通用照明系統。採用 20-HTSSOP 封裝,具有優異的熱性能和緊湊的尺寸。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
4.5V 至 40V |
| 輸出電流 |
高達 1A |
| 開關頻率 |
高達 1 MHz |
| 調光方式 |
PWM(0-100%) |
| 封裝 |
20-HTSSOP |
| 工作溫度 |
-40°C 至 +125°C |
| 保護功能 |
熱關斷、逐週期電流限制 |
核心特性
- 寬輸入電壓範圍(4.5V 至 40V),適用於汽車和工業應用
- 高端電流檢測,實現精確的 LED 電流調節
- PWM 調光輸入,實現精確亮度控制
- 集成熱關斷和電流限制保護
- 高達 1 MHz 的開關頻率,減小外部元件尺寸
- 低關斷電流(< 1 µA)
典型應用場景
- 汽車照明:前照燈、日間行車燈(DRL)、尾燈
- 工業照明:高天棚燈、路燈
- 通用 LED 照明:筒燈、面板燈
- 5G 基站指示燈
- 車輛儀表板背光
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM3424MH/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:
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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。
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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。
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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。
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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。
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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。
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