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Product Overview
The TPS92519QDAPRQ1 from Texas Instruments is a dual-channel, synchronous buck LED driver designed for automotive and industrial lighting applications. It operates from an input voltage range of 4.5V to 65V, making it suitable for both 12V and 24V systems. Each channel can deliver up to 2A of LED current with excellent current accuracy. The device integrates high-side and low-side MOSFETs, reducing external component count and simplifying PCB layout. It features spread spectrum frequency modulation to minimize EMI, and supports both analog and PWM dimming for flexible brightness control.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
4.5V to 65V |
| Output Current per Channel |
Up to 2A |
| Number of Channels |
2 |
| Switching Frequency |
200kHz to 2.2MHz |
| Dimming Method |
Analog (0-5V) and PWM |
| Current Accuracy |
±3% |
| Protection Features |
OVP, OCP, OTP, UVLO |
| Package |
32-HTSSOP |
| Operating Temperature |
-40°C to +125°C |
Key Features
- Dual-channel synchronous buck LED driver
- Wide input voltage range: 4.5V to 65V
- Integrated MOSFETs for compact design
- Spread spectrum for low EMI
- Analog and PWM dimming support
- Comprehensive fault protection
- AEC-Q100 qualified for automotive
Target Applications
- Automotive exterior lighting: headlights, daytime running lights (DRLs), taillights
- Automotive interior lighting: dashboard backlight, ambient lighting
- Industrial lighting: LED street lights, high-bay lights
- 5G base station indicator lights
- General purpose constant current LED drivers
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS92519QDAPRQ1. 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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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
TPS92519QDAPRQ1 是德州儀器推出的雙通道同步降壓 LED 驅動器,專為汽車和工業照明應用設計。它支援 4.5V 至 65V 的寬輸入電壓範圍,適用於 12V 和 24V 系統。每個通道可提供高達 2A 的 LED 電流,具有出色的電流精度。器件內部整合了高側和低側 MOSFET,減少了外部元件數量並簡化了 PCB 佈局。它採用展頻調製以降低 EMI,並支援模擬和 PWM 調光,實現靈活的亮度控制。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
4.5V 至 65V |
| 每通道輸出電流 |
高達 2A |
| 通道數 |
2 |
| 開關頻率 |
200kHz 至 2.2MHz |
| 調光方式 |
模擬 (0-5V) 和 PWM |
| 電流精度 |
±3% |
| 保護功能 |
過壓、過流、過溫、欠壓鎖定 |
| 封裝 |
32-HTSSOP |
| 工作溫度 |
-40°C 至 +125°C |
核心特性
- 雙通道同步降壓 LED 驅動器
- 寬輸入電壓範圍:4.5V 至 65V
- 整合 MOSFET,設計緊湊
- 展頻技術,低 EMI
- 支援模擬和 PWM 調光
- 全面的故障保護
- 通過 AEC-Q100 汽車級認證
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 路燈、工礦燈
- 5G 基站指示燈
- 通用恆流 LED 驅動
環球供應鏈與批發合作夥伴方案
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