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Product Overview
The LM3409QHVMY/NOPB is a high-voltage, 1.5A constant current buck LED driver from Texas Instruments, designed for automotive and industrial lighting applications. Housed in a compact 10-HVSSOP package, it operates from an input voltage range of 6V to 75V, making it suitable for a wide variety of power rails. The device uses a hysteretic control scheme to provide fast transient response and excellent line and load regulation. With integrated high-side N-channel MOSFET and low-side sense resistor, it simplifies design while maintaining high efficiency up to 95%.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
6V to 75V |
| Output Current |
Up to 1.5A |
| Switching Frequency |
Up to 1 MHz |
| Efficiency |
Up to 95% |
| Package |
10-HVSSOP |
| Operating Temperature |
-40°C to +125°C |
| Control Method |
Hysteretic, constant off-time |
| Protection Features |
Thermal shutdown, cycle-by-cycle current limit |
Key Features
- Wide input voltage range: 6V to 75V
- Constant current output up to 1.5A
- High efficiency up to 95%
- Hysteretic control for fast transient response
- Integrated high-side N-channel MOSFET
- Low-side current sensing
- Thermal shutdown and current limit protection
- Automotive grade: AEC-Q100 qualified
Target Applications
- Automotive exterior lighting: headlamps, daytime running lights (DRL), fog lights
- Automotive interior lighting: dashboard backlighting, ambient lighting
- Industrial lighting: LED streetlights, high-bay lights
- 5G base station power management: LED indicators and status lights
- General purpose constant current LED drivers
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM3409QHVMY/NOPB. Our core advantages include:
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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
LM3409QHVMY/NOPB 是德州儀器推出的一款高壓、1.5A 恆流降壓 LED 驅動器,專為汽車和工業照明應用設計。採用緊湊的 10-HVSSOP 封裝,輸入電壓範圍為 6V 至 75V,適用於多種電源軌。該器件採用滯環控制方案,提供快速瞬態響應和優異的線性及負載調節。集成高側 N 溝道 MOSFET 和低側檢測電阻,簡化設計的同時保持高達 95% 的效率。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
6V 至 75V |
| 輸出電流 |
最高 1.5A |
| 開關頻率 |
最高 1 MHz |
| 效率 |
高達 95% |
| 封裝 |
10-HVSSOP |
| 工作溫度 |
-40°C 至 +125°C |
| 控制方式 |
滯環,固定關斷時間 |
| 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:6V 至 75V
- 恆流輸出高達 1.5A
- 高效率高達 95%
- 滯環控制實現快速瞬態響應
- 集成高側 N 溝道 MOSFET
- 低側電流檢測
- 熱關斷和電流限制保護
- 汽車級認證:AEC-Q100
典型應用場景
- 汽車外部照明:前照燈、日間行車燈、霧燈
- 汽車內部照明:儀表板背光、氛圍燈
- 工業照明:LED 路燈、工礦燈
- 5G 基站電源管理:LED 指示燈和狀態燈
- 通用恆流 LED 驅動
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM3409QHVMY/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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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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