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Product Overview
The LM3492MHX/NOPB is a high-voltage, 2A constant current LED driver from Texas Instruments, designed for driving high-brightness LEDs in automotive and industrial lighting applications. It operates from an input voltage range of 4.5V to 65V, making it suitable for a wide variety of power sources. The device integrates a high-side N-channel MOSFET and uses a current-mode control scheme for excellent line and load regulation. The LM3492MHX/NOPB is available in a 20-pin HTSSOP package with an exposed pad for enhanced thermal performance.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
4.5V to 65V |
| Output Current |
Up to 2A |
| Switching Frequency |
200kHz to 1MHz (adjustable) |
| Reference Voltage |
1.25V ±2% |
| Current Sense Threshold |
200mV |
| Operating Temperature |
-40°C to +125°C |
| Package |
20-HTSSOP (PowerPAD) |
| Protection Features |
Thermal Shutdown, Cycle-by-Cycle Current Limit, Output OVP |
Key Features
- Wide input voltage range: 4.5V to 65V
- 2A output current capability
- Integrated high-side N-channel MOSFET
- Adjustable switching frequency up to 1MHz
- PWM dimming capability
- Thermal shutdown and overcurrent protection
- Low shutdown current (< 2µA)
- Available in thermally enhanced HTSSOP package
Target Applications
- Automotive LED lighting: headlamps, daytime running lights, taillights
- Industrial lighting: high-bay, street lighting
- 5G base station indicator LEDs
- Dashboard backlighting in vehicles
- General purpose constant current LED drivers
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM3492MHX/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
LM3492MHX/NOPB 是德州儀器(TI)推出的一款高壓、2A 恆流 LED 驅動器,專為汽車和工業照明中的高亮度 LED 設計。它支持 4.5V 至 65V 的寬輸入電壓範圍,適用於多種電源。該器件集成了高側 N 溝道 MOSFET,並採用電流模式控制方案,具有出色的線性和負載調節能力。LM3492MHX/NOPB 採用 20 引腳 HTSSOP 封裝,帶有裸露焊盤以增強散熱性能。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
4.5V 至 65V |
| 輸出電流 |
最高 2A |
| 開關頻率 |
200kHz 至 1MHz(可調) |
| 參考電壓 |
1.25V ±2% |
| 電流檢測閾值 |
200mV |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
20-HTSSOP(PowerPAD) |
| 保護功能 |
熱關斷、逐週期電流限制、輸出過壓保護 |
核心特性
- 寬輸入電壓範圍:4.5V 至 65V
- 2A 輸出電流能力
- 集成高側 N 溝道 MOSFET
- 可調開關頻率最高 1MHz
- PWM 調光功能
- 熱關斷和過流保護
- 低關斷電流(< 2µA)
- 採用增強散熱的 HTSSOP 封裝
典型應用場景
- 汽車 LED 照明:前照燈、日間行車燈、尾燈
- 工業照明:工礦燈、路燈
- 5G 基站指示燈
- 車輛儀表板背光
- 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 LM3492MHX/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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