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Product Overview
The TL4242QKTTRQ1 is a high-voltage, constant-current LED driver from Texas Instruments, designed for automotive and industrial lighting applications. Housed in a TO-263 (DDPAK-7) package, it integrates a 40V, 500mA output stage with PWM dimming capability, making it ideal for driving high-brightness LEDs in harsh environments.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
4.5V to 40V |
| Output Current |
Up to 500mA |
| Current Accuracy |
±5% |
| Switching Frequency |
1MHz (typical) |
| Dimming Control |
PWM (up to 10kHz) |
| Protection Features |
OVP, OCP, OTP |
| Operating Temperature |
-40°C to +125°C |
| Package |
TO-263 (DDPAK-7) |
Key Features
- Wide input voltage range: 4.5V to 40V
- High output current: up to 500mA
- Integrated power MOSFET
- PWM dimming interface
- Protection: overvoltage, overcurrent, overtemperature
- AEC-Q100 qualified for automotive
Target Applications
- Automotive exterior lighting (headlamps, taillights, DRLs)
- Dashboard backlighting
- 5G base station indicator LEDs
- Industrial signage and display backlighting
- General-purpose constant current LED driver
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TL4242QKTTRQ1. 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
TL4242QKTTRQ1 是德州儀器(TI)推出的一款高壓恆流 LED 驅動器,採用 TO-263(DDPAK-7)封裝,適用於汽車和工業照明應用。它集成了 40V、500mA 的輸出級,並支持 PWM 調光,非常適合在惡劣環境中驅動高亮度 LED。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
4.5V 至 40V |
| 輸出電流 |
最高 500mA |
| 電流精度 |
±5% |
| 開關頻率 |
1MHz(典型值) |
| 調光控制 |
PWM(最高 10kHz) |
| 保護功能 |
過壓、過流、過溫 |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
TO-263(DDPAK-7) |
核心特性
- 寬輸入電壓範圍:4.5V 至 40V
- 高輸出電流:最高 500mA
- 集成功率 MOSFET
- PWM 調光接口
- 保護功能:過壓、過流、過溫
- 通過 AEC-Q100 汽車認證
典型應用場景
- 汽車外部照明(前照燈、尾燈、日行燈)
- 儀表板背光
- 5G 基站指示燈
- 工業標牌和顯示器背光
- 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 TL4242QKTTRQ1 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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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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