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Product Overview
The TLC69668QRTWRQ1 is a high-performance 48-channel constant-current LED driver from Texas Instruments, designed for automotive and industrial lighting applications. It integrates advanced features such as 50MHz serial interface, 16-bit PWM grayscale control, and fault detection. Housed in a compact 24-WQFN (4x4mm) package, it enables high-density LED matrix management with low power dissipation.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Channels |
48 |
| Output Current per Channel |
0.5 mA to 25 mA (adjustable) |
| Supply Voltage |
3.0 V to 5.5 V |
| Interface |
50 MHz Serial (SPI-compatible) |
| PWM Resolution |
16-bit (65,536 steps) |
| Package |
24-WQFN (4x4 mm) |
| Operating Temperature |
-40°C to +125°C |
| Fault Protection |
LED open/short, thermal shutdown |
Key Features
- 48 constant-current outputs with 16-bit PWM for smooth dimming
- 50 MHz serial interface for high-speed data transfer
- Individual channel brightness control and dot correction
- Built-in fault detection (LED open/short, overtemperature)
- Automotive AEC-Q100 qualified (Grade 1)
- Low quiescent current (typical 5 mA)
Target Applications
- Automotive exterior lighting: adaptive headlamps, daytime running lights (DRLs), turn signals
- Automotive interior lighting: ambient lighting, dashboard backlighting
- Industrial LED signage and displays
- 5G base station status indicators
- Medical equipment lighting
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TLC69668QRTWRQ1. Our core advantages include:
-
24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
-
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
TLC69668QRTWRQ1 是德州儀器推出的高性能 48 通道恆流 LED 驅動器,專為汽車和工業照明應用設計。它集成了 50MHz 串行接口、16 位 PWM 灰度控制和故障檢測等先進功能。採用緊湊的 24-WQFN(4x4mm)封裝,可在低功耗下實現高密度 LED 矩陣管理。
詳細技術參數
| 參數 |
數值 |
| 通道數 |
48 |
| 每通道輸出電流 |
0.5 mA 至 25 mA(可調) |
| 電源電壓 |
3.0 V 至 5.5 V |
| 接口 |
50 MHz 串行(兼容 SPI) |
| PWM 分辨率 |
16 位(65,536 級) |
| 封裝 |
24-WQFN(4x4 mm) |
| 工作溫度 |
-40°C 至 +125°C |
| 故障保護 |
LED 開路/短路、熱關斷 |
核心特性
- 48 路恆流輸出,16 位 PWM 實現平滑調光
- 50 MHz 串行接口,支持高速數據傳輸
- 獨立通道亮度控制和點校正
- 內置故障檢測(LED 開路/短路、過溫)
- 通過 AEC-Q100 汽車級認證(Grade 1)
- 低靜態電流(典型值 5 mA)
典型應用場景
- 汽車外部照明:自適應前大燈、日間行車燈、轉向燈
- 汽車內部照明:氛圍燈、儀表盤背光
- 工業 LED 標牌和顯示屏
- 5G 基站狀態指示燈
- 醫療設備照明
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 TLC69668QRTWRQ1 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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現貨庫存,即日發貨:確保現貨充足。下午 4 點前確認訂單,即可安排當天寄出。
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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。
品質保證與合規
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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100% 原廠正貨:承諾所有供應零件均為原裝現貨,品質嚴格把關,來源清晰可追溯。
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符合 RoHS 認證:所有電子元器件均符合國際環保標準及相關安全認證。
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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。
以上產品均為原廠正貨,提供 BOM 配單及現貨庫存支援,歡迎查詢。
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