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Product Overview
The LM3409QMYX/NOPB is a constant current buck LED driver from Texas Instruments, designed for high-power LED applications. It operates from an input voltage range of 6V to 75V and delivers up to 1.5A of output current. The device uses a PFET buck topology for high efficiency and supports PWM dimming with a wide dimming ratio. Housed in a 10-pin HVSSOP package, it is qualified for automotive applications (AEC-Q100).
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
6V to 75V |
| Output Current |
Up to 1.5A |
| Switching Frequency |
Adjustable up to 1MHz |
| Dimming Method |
PWM (analog optional) |
| Efficiency |
Up to 95% |
| Package |
10-HVSSOP |
| Operating Temperature |
-40°C to +125°C |
| Protection Features |
OVP, OCP, Thermal Shutdown |
Key Features
- Wide input voltage range: 6V to 75V
- High output current: up to 1.5A
- High efficiency PFET buck topology
- PWM dimming with high contrast ratio
- Adjustable switching frequency
- Integrated protection: OVP, OCP, thermal shutdown
- AEC-Q100 qualified for automotive
- Small 10-HVSSOP package
Target Applications
- Automotive exterior lighting: headlights, daytime running lights (DRL), taillights
- Automotive interior lighting: dashboard backlight, ambient lighting
- Industrial lighting: high-bay, street lighting
- General purpose constant current LED drivers
- 5G base station indicator lights
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM3409QMYX/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
LM3409QMYX/NOPB 是德州儀器(TI)推出的一款恆流降壓 LED 驅動器,專為高功率 LED 應用設計。其輸入電壓範圍為 6V 至 75V,輸出電流高達 1.5A。該器件採用 PFET 降壓拓撲結構,效率高,並支持 PWM 調光,調光比寬。採用 10 引腳 HVSSOP 封裝,符合汽車級 AEC-Q100 認證。
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 |
可調,最高 1MHz |
| 調光方式 |
PWM(可選模擬) |
| 效率 |
高達 95% |
| 封裝 |
10-HVSSOP |
| 工作溫度 |
-40°C 至 +125°C |
| 保護功能 |
過壓保護、過流保護、熱關斷 |
核心特性
- 寬輸入電壓範圍:6V 至 75V
- 高輸出電流:最高 1.5A
- 高效率 PFET 降壓拓撲
- PWM 調光,高對比度
- 可調開關頻率
- 集成保護:過壓、過流、熱關斷
- 符合 AEC-Q100 汽車級認證
- 小型 10-HVSSOP 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:工礦燈、路燈
- 通用恆流 LED 驅動
- 5G 基站指示燈
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM3409QMYX/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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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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