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Product Overview
The TLC5929DBQR is a 16-channel constant-current sink LED driver from Texas Instruments, designed for high-performance display and lighting applications. It integrates a 16-bit shift register, data latches, and constant-current output stages. Each channel can be independently controlled with 7-bit global brightness adjustment and 8-bit individual PWM dimming, enabling smooth and precise brightness control. The device operates from a 3.0V to 5.5V supply and can sink up to 50mA per channel. The 24-pin SSOP package (DBQR) offers a compact footprint for space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Channels |
16 |
| Output Current per Channel |
5 mA to 50 mA (set by external resistor) |
| Supply Voltage (VCC) |
3.0 V to 5.5 V |
| Logic Input Voltage |
1.8 V to 5.5 V |
| Data Transfer Rate |
Up to 30 MHz |
| PWM Dimming Resolution |
8-bit per channel |
| Global Brightness Control |
7-bit |
| Package |
24-SSOP (DBQR) |
| Operating Temperature |
-40°C to +85°C |
| Interface |
Serial (SPI-compatible) |
Key Features
- 16 constant-current sink outputs with 50 mA capability
- 8-bit individual PWM dimming for each channel
- 7-bit global brightness adjustment
- 30 MHz data transfer rate for high refresh rates
- Built-in thermal shutdown and open-load detection
- Low quiescent current (typical 1 mA)
- Wide supply voltage range (3.0 V to 5.5 V)
- Compact 24-SSOP package
Target Applications
- 5G base station status indicators and panel lighting
- Automotive dashboard backlighting and infotainment displays
- Industrial control panel LED indicators
- LED signage and video walls
- General-purpose constant-current LED driving
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TLC5929DBQR. 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
TLC5929DBQR 是德州儀器(TI)推出的16通道恆流沉入式LED驅動器,專為高性能顯示和照明應用設計。它集成了16位移位寄存器、數據鎖存器和恆流輸出級。每個通道可獨立控制,具有7位全局亮度調節和8位單獨PWM調光,實現平滑精確的亮度控制。器件工作電壓為3.0V至5.5V,每通道可沉入高達50mA電流。24引腳SSOP封裝(DBQR)適用於空間受限的設計。
詳細技術參數
| 參數 |
數值 |
| 通道數 |
16 |
| 每通道輸出電流 |
5 mA 至 50 mA(由外部電阻設定) |
| 電源電壓 (VCC) |
3.0 V 至 5.5 V |
| 邏輯輸入電壓 |
1.8 V 至 5.5 V |
| 數據傳輸速率 |
最高 30 MHz |
| PWM 調光分辨率 |
每通道 8 位 |
| 全局亮度控制 |
7 位 |
| 封裝 |
24-SSOP (DBQR) |
| 工作溫度 |
-40°C 至 +85°C |
| 接口 |
串行(SPI 兼容) |
核心特性
- 16 路恆流沉入輸出,每路 50 mA 能力
- 每通道 8 位獨立 PWM 調光
- 7 位全局亮度調節
- 30 MHz 數據傳輸速率,支持高刷新率
- 內置熱關斷和開路檢測
- 低靜態電流(典型值 1 mA)
- 寬電源電壓範圍(3.0 V 至 5.5 V)
- 緊湊的 24-SSOP 封裝
典型應用場景
- 5G 基站狀態指示燈和面板照明
- 汽車儀表盤背光和資訊娛樂顯示
- 工業控制面板 LED 指示燈
- LED 標誌和視頻牆
- 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 TLC5929DBQR 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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