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Product Overview
The LP5012RUKR is a 12-channel constant-current LED driver from Texas Instruments, designed for high-performance lighting applications. It operates from a 2.7V to 5.5V supply and features an I2C interface for individual channel control. The device integrates 12 low-side current sinks with programmable current up to 35 mA per channel, enabling precise brightness and color mixing. Housed in a compact 20-pin WQFN (3x3 mm) package, it is ideal for space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Channels |
12 |
| Output Current per Channel |
0.5 mA to 35 mA (programmable) |
| Supply Voltage |
2.7V to 5.5V |
| Interface |
I2C (up to 400 kHz) |
| Current Accuracy |
±3% (typical) |
| PWM Dimming Frequency |
Up to 32 kHz |
| Package |
20-WQFN (3x3 mm) |
| Operating Temperature |
-40°C to +85°C |
Key Features
- 12 independent constant-current sinks with 8-bit PWM dimming
- I2C interface with programmable addressing (up to 4 devices on one bus)
- Low quiescent current (0.5 µA in shutdown)
- Built-in thermal shutdown and overcurrent protection
- Output current set via external resistor
- Under-voltage lockout (UVLO)
Target Applications
- LED status indicators in 5G base stations (e.g., Nokia AirScale)
- RGB backlighting for automotive dashboard clusters (e.g., Tesla Model 3)
- Portable device notification LEDs (e.g., smartphone notification bars)
- Industrial control panel indicators
- Smart home lighting (e.g., Philips Hue compatible modules)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP5012RUKR. 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
LP5012RUKR 是德州儀器(TI)推出的12通道恆流LED驅動器,專為高性能照明應用設計。它可在2.7V至5.5V電源電壓下工作,並通過I2C接口實現每個通道的獨立控制。該器件集成了12個低側電流沉,每個通道的輸出電流可編程至35 mA,支持精確的亮度和混色控制。採用緊湊的20引腳WQFN(3x3 mm)封裝,適合空間受限的設計。
詳細技術參數
| 參數 |
數值 |
| 通道數 |
12 |
| 每通道輸出電流 |
0.5 mA 至 35 mA(可編程) |
| 電源電壓 |
2.7V 至 5.5V |
| 接口 |
I2C(最高400 kHz) |
| 電流精度 |
±3%(典型值) |
| PWM調光頻率 |
最高32 kHz |
| 封裝 |
20-WQFN(3x3 mm) |
| 工作溫度 |
-40°C 至 +85°C |
核心特性
- 12路獨立恆流沉,支持8位PWM調光
- I2C接口,可編程地址(總線上最多4個器件)
- 低靜態電流(關斷模式下0.5 µA)
- 內置熱關斷和過流保護
- 通過外部電阻設置輸出電流
- 欠壓鎖定(UVLO)
典型應用場景
- 5G基站中的LED狀態指示燈(如Nokia AirScale)
- 汽車儀表盤RGB背光(如Tesla Model 3)
- 便攜設備通知LED(如智能手機通知燈)
- 工業控制面板指示燈
- 智能家居照明(如兼容Philips Hue的模塊)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP5012RUKR 提供全面的供應鏈與批發解決方案。
我們的核心優勢包括:
-
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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HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]