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Product Overview
The TLC69668YBHR from Texas Instruments is a high-performance 48-channel constant-current LED driver designed for precise brightness control in large-scale LED display and lighting applications. Housed in a compact 24-DSBGA (1.58x2.43mm) package, it integrates 16-bit PWM dimming and advanced fault detection, making it ideal for automotive, industrial, and consumer displays.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Channels |
48 |
| Output Current per Channel |
0.5 mA to 25 mA (adjustable) |
| PWM Resolution |
16-bit (65,536 steps) |
| Supply Voltage (VCC) |
3.0 V to 5.5 V |
| LED Supply Voltage (VLED) |
Up to 17 V |
| Data Interface |
Serial (SPI-compatible) |
| Package |
24-DSBGA (1.58x2.43 mm) |
| Operating Temperature |
-40°C to +125°C |
| Fault Detection |
Open/Short LED, Thermal Shutdown |
Key Features
- 48 constant-current outputs with 16-bit PWM for smooth, high-resolution dimming
- Ultra-compact 24-DSBGA package saves PCB space
- Wide output current range (0.5 mA to 25 mA) via external resistor
- Built-in fault detection (open/short LED, thermal shutdown) for system reliability
- SPI-compatible serial interface for daisy-chaining multiple devices
- Low quiescent current and high efficiency
Target Applications
- Automotive: Dashboard displays, infotainment screens, ambient lighting (e.g., Tesla Model 3 center console)
- Industrial: 5G base station status indicators, factory automation panels
- Consumer: Large-format LED video walls (e.g., Samsung The Wall), gaming monitors
- Medical: Diagnostic equipment displays, surgical lighting
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TLC69668YBHR. 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
TLC69668YBHR 是德州儀器推出的一款高性能 48 通道恆流 LED 驅動器,專為大規模 LED 顯示和照明應用中的精確亮度控制而設計。採用緊湊的 24-DSBGA(1.58x2.43mm)封裝,集成 16 位 PWM 調光和先進的故障檢測功能,非常適合汽車、工業和消費類顯示器。
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) |
| PWM 分辨率 |
16 位(65,536 級) |
| 電源電壓(VCC) |
3.0 V 至 5.5 V |
| LED 電源電壓(VLED) |
最高 17 V |
| 數據接口 |
串行(兼容 SPI) |
| 封裝 |
24-DSBGA(1.58x2.43 mm) |
| 工作溫度 |
-40°C 至 +125°C |
| 故障檢測 |
LED 開路/短路、過熱關斷 |
核心特性
- 48 路恆流輸出,16 位 PWM 實現平滑高分辨率調光
- 超緊湊 24-DSBGA 封裝節省 PCB 空間
- 寬輸出電流範圍(0.5 mA 至 25 mA),通過外部電阻設置
- 內置故障檢測(LED 開路/短路、過熱關斷)提高系統可靠性
- 兼容 SPI 的串行接口,支持多器件級聯
- 低靜態電流和高效率
典型應用場景
- 汽車:儀表盤顯示、信息娛樂屏幕、環境照明(例如特斯拉 Model 3 中控台)
- 工業:5G 基站狀態指示燈、工廠自動化面板
- 消費類:大型 LED 視頻牆(例如三星 The Wall)、遊戲顯示器
- 醫療:診斷設備顯示屏、手術照明
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 TLC69668YBHR 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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