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Product Overview
The TPS922050D2DSGR from Texas Instruments is a high-efficiency, synchronous buck LED driver designed for automotive and industrial lighting applications. It operates from an input voltage range of 4.5V to 40V and delivers up to 1.5A of continuous LED current. The device integrates a low-side current sense and supports both analog and PWM dimming for precise brightness control. Housed in a compact 8-WSON (2x2 mm) package, it offers a space-saving solution for demanding lighting designs.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
4.5V to 40V |
| Output Current |
Up to 1.5A |
| Switching Frequency |
2.2 MHz (typical) |
| Dimming Method |
Analog and PWM |
| PWM Dimming Ratio |
1000:1 (typical) |
| Protection Features |
OVP, OCP, OTP, UVLO |
| Package |
8-WSON (2x2 mm) |
| Operating Temperature |
-40°C to +125°C |
Key Features
- Wide input voltage range: 4.5V to 40V
- High efficiency up to 95%
- Integrated low-side current sense
- Analog and PWM dimming with high ratio
- Spread spectrum for EMI reduction
- Comprehensive protection: OVP, OCP, OTP, UVLO
- Small 8-WSON package (2x2 mm)
Target Applications
- Automotive exterior lighting: Daytime running lights (DRL), turn signals, tail lights
- Automotive interior lighting: Dashboard backlighting, ambient lighting
- Industrial lighting: LED bars, task 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
TPS922050D2DSGR. 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
TPS922050D2DSGR 是德州儀器(TI)推出的一款高效同步降壓 LED 驅動器,專為汽車和工業照明應用設計。它支持 4.5V 至 40V 的寬輸入電壓範圍,並可提供高達 1.5A 的連續 LED 電流。該器件集成了低側電流檢測,支持模擬和 PWM 調光,實現精確的亮度控制。採用緊湊的 8-WSON(2x2 mm)封裝,為要求嚴格的照明設計提供了節省空間的解決方案。
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 1.5A |
| 開關頻率 |
2.2 MHz(典型值) |
| 調光方式 |
模擬和 PWM |
| PWM 調光比 |
1000:1(典型值) |
| 保護功能 |
過壓保護、過流保護、過溫保護、欠壓鎖定 |
| 封裝 |
8-WSON(2x2 mm) |
| 工作溫度 |
-40°C 至 +125°C |
核心特性
- 寬輸入電壓範圍:4.5V 至 40V
- 高效率,高達 95%
- 集成低側電流檢測
- 模擬和 PWM 調光,高調光比
- 展頻功能,降低 EMI
- 全面保護:過壓、過流、過溫、欠壓鎖定
- 小型 8-WSON 封裝(2x2 mm)
典型應用場景
- 汽車外部照明:日間行車燈、轉向燈、尾燈
- 汽車內部照明:儀表板背光、氛圍燈
- 工業照明:LED 燈條、工作燈
- 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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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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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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