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Product Overview
The LP5890RRFR is a high-performance 48-channel constant current LED driver from Texas Instruments, designed for demanding display and lighting applications. Housed in a compact 76-VQFN (9x9) package, it integrates advanced features such as 16-bit PWM dimming, error detection, and thermal management. This device is ideal for applications requiring precise current control and high reliability.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Channels |
48 |
| Output Current per Channel |
3 mA to 30 mA (programmable) |
| Current Accuracy |
±1% (typical) |
| PWM Dimming Resolution |
16-bit |
| Supply Voltage |
3.0 V to 5.5 V |
| Output Voltage |
Up to 17 V |
| Data Transfer Rate |
Up to 30 MHz |
| Operating Temperature |
-40°C to +125°C |
| Package |
76-VQFN (9x9 mm) |
Key Features
- 48 constant-current output channels
- 16-bit PWM dimming for smooth brightness control
- Programmable output current via external resistor
- Error detection (LED open/short) and thermal shutdown
- High-speed serial interface with daisy-chain capability
- Low quiescent current for power saving
Target Applications
- 5G base station status indicators
- Automotive dashboard displays
- Industrial control panels
- LED video walls and signage
- Architectural lighting
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP5890RRFR. 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
LP5890RRFR 是德州儀器(TI)推出的一款高性能48通道恆流LED驅動器,採用緊湊的76-VQFN(9x9)封裝。它集成了16位PWM調光、錯誤檢測和熱管理等高級功能,適用於需要精確電流控制和高可靠性的顯示與照明應用。
詳細技術參數
| 參數 |
數值 |
| 通道數 |
48 |
| 每通道輸出電流 |
3 mA 至 30 mA(可編程) |
| 電流精度 |
±1%(典型值) |
| PWM調光分辨率 |
16位 |
| 電源電壓 |
3.0 V 至 5.5 V |
| 輸出電壓 |
最高 17 V |
| 數據傳輸速率 |
最高 30 MHz |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
76-VQFN(9x9 mm) |
核心特性
- 48路恆流輸出通道
- 16位PWM調光,實現平滑亮度控制
- 通過外部電阻可編程輸出電流
- 錯誤檢測(LED開路/短路)和熱關斷
- 高速串行接口,支持級聯
- 低靜態電流,節省功耗
典型應用場景
- 5G基站狀態指示燈
- 汽車儀表盤顯示
- 工業控制面板
- LED視頻牆和標牌
- 建築照明
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP5890RRFR 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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深港聯動,結算靈活:深圳直發全球,物流高效可靠;支援香港銀行戶口轉賬及多幣種結算。
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Escrow 擔保交易:支援 Escrow.com 平台交易,保障買賣雙方權益,小批量訂單亦可安心在線下單。
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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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