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Product Overview
The TLC5940QRHBREP is a 16-channel, constant-current sink LED driver from Texas Instruments, designed for high-performance display and lighting applications. It features a 7-bit dot correction and 12-bit grayscale PWM control, enabling precise brightness and color management. Housed in a compact 32-VQFN (5x5 mm) package, this device is ideal for space-constrained designs requiring enhanced reliability and thermal performance. The EP (Enhanced Product) designation ensures extended temperature range and qualification for harsh environments.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Channels |
16 |
| Output Current per Channel |
0.5 mA to 120 mA (adjustable via external resistor) |
| Dot Correction |
7-bit (128 steps) |
| Grayscale PWM |
12-bit (4096 steps) |
| Data Interface |
Serial (SPI-compatible) |
| Supply Voltage |
3.0 V to 5.5 V |
| Operating Temperature |
-55°C to +125°C |
| Package |
32-VQFN (5x5 mm) |
Key Features
- 16 constant-current sink outputs with 7-bit dot correction for LED brightness uniformity
- 12-bit grayscale PWM for smooth dimming and color mixing
- Serial interface with daisy-chain capability for multiple devices
- Built-in thermal shutdown and open-LED detection
- Enhanced product (EP) for extended temperature range and reliability
- Low quiescent current and power-saving modes
Target Applications
- 5G base station status indicator panels
- Automotive dashboard and infotainment displays
- Industrial control panel LED arrays
- LED video walls and signage
- Medical equipment lighting
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TLC5940QRHBREP. 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
TLC5940QRHBREP 是德州儀器(TI)推出的16通道恆流源 LED 驅動器,專為高性能顯示和照明應用設計。它具備7位點校正和12位灰度 PWM 控制,可實現精確的亮度和色彩管理。採用緊湊的32-VQFN(5x5 mm)封裝,適合空間受限且需要增強可靠性和熱性能的設計。EP(增強型產品)標識確保了寬溫度範圍和惡劣環境下的適用性。
詳細技術參數
| 參數 |
數值 |
| 通道數 |
16 |
| 每通道輸出電流 |
0.5 mA 至 120 mA(通過外部電阻調節) |
| 點校正 |
7位(128級) |
| 灰度 PWM |
12位(4096級) |
| 數據接口 |
串行(兼容 SPI) |
| 電源電壓 |
3.0 V 至 5.5 V |
| 工作溫度 |
-55°C 至 +125°C |
| 封裝 |
32-VQFN(5x5 mm) |
核心特性
- 16路恆流輸出,帶7位點校正以實現 LED 亮度均勻性
- 12位灰度 PWM,實現平滑調光和色彩混合
- 串行接口,支持多器件級聯
- 內置熱關斷和開路 LED 檢測
- 增強型產品(EP),適用於寬溫度和高可靠性要求
- 低靜態電流和節能模式
典型應用場景
- 5G 基站狀態指示燈面板
- 汽車儀表盤和信息娛樂顯示屏
- 工業控制面板 LED 陣列
- LED 視頻牆和標牌
- 醫療設備照明
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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