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Product Overview
The TLC69651YBHR from Texas Instruments is a 48-channel constant-current LED driver designed for high-resolution display backlighting and signage applications. Housed in a compact 24-DSBGA (1.58x2.43mm) package, it integrates advanced features such as 16-bit PWM dimming, phase-shift control, and fault detection. With a wide output voltage range up to 5V per channel and a total current capability of 120mA, it enables precise brightness control and uniform illumination in demanding environments.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Channels |
48 |
| Output Current per Channel |
0.5 mA to 30 mA (adjustable) |
| Output Voltage |
Up to 5 V |
| Supply Voltage |
2.5 V to 5.5 V |
| PWM Dimming Resolution |
16-bit |
| Data Interface |
SPI (up to 30 MHz) |
| Operating Temperature |
-40°C to +125°C |
| Package |
24-DSBGA (1.58x2.43 mm) |
Key Features
- 48 constant-current sink channels with 16-bit PWM dimming for smooth, flicker-free brightness control.
- Phase-shift control to reduce inrush current and EMI.
- Integrated fault detection (open/short LED, overtemperature) with error reporting via SPI.
- Low dropout voltage (150 mV typical at 20 mA) for efficient operation.
- Global and individual channel brightness adjustment.
- Compact 24-DSBGA package saves PCB space.
Target Applications
- Automotive dashboard displays and infotainment screens.
- 5G base station status indicator panels.
- Industrial control panel backlighting.
- Medical device displays (e.g., patient monitors).
- High-end signage and video walls.
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TLC69651YBHR. 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
TLC69651YBHR 是德州儀器推出的 48 通道恆流 LED 驅動器,專為高解析度顯示器背光和標牌應用設計。採用緊湊的 24-DSBGA(1.58x2.43mm)封裝,整合了 16 位 PWM 調光、相移控制和故障檢測等先進功能。每個通道輸出電壓高達 5V,總電流能力為 120mA,可在嚴苛環境中實現精確的亮度控制和均勻照明。
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 30 mA(可調) |
| 輸出電壓 |
最高 5 V |
| 電源電壓 |
2.5 V 至 5.5 V |
| PWM 調光解析度 |
16 位 |
| 數據接口 |
SPI(最高 30 MHz) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
24-DSBGA(1.58x2.43 mm) |
核心特性
- 48 通道恆流沉入,16 位 PWM 調光,實現平滑無閃爍亮度控制。
- 相移控制,降低浪湧電流和 EMI。
- 集成故障檢測(LED 開路/短路、過溫),通過 SPI 報告錯誤。
- 低壓差(20 mA 時典型值 150 mV),高效運行。
- 全局和單獨通道亮度調節。
- 緊湊的 24-DSBGA 封裝,節省 PCB 空間。
典型應用場景
- 汽車儀表盤顯示器和信息娛樂屏幕。
- 5G 基站狀態指示面板。
- 工業控制面板背光。
- 醫療設備顯示器(如病人監護儀)。
- 高端標牌和視頻牆。
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 TLC69651YBHR 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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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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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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