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Product Overview
The LP5868RKPR is a high-performance 48-channel constant-current LED driver from Texas Instruments, designed for precise current control and flexible dimming. Housed in a compact 40-pin VQFN (5x5 mm) package, it integrates advanced features such as 12-bit PWM dimming, 8-bit analog dimming, and I2C interface for easy configuration. With an output voltage up to 5.5V and current capability of 0.5-30 mA per channel, it is ideal for automotive, industrial, and display applications requiring high reliability and low power consumption.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Channels |
48 |
| Output Voltage |
Up to 5.5V |
| Output Current per Channel |
0.5 mA to 30 mA |
| Current Accuracy |
±3% (typical) |
| PWM Dimming Resolution |
12-bit (4096 steps) |
| Analog Dimming Resolution |
8-bit (256 steps) |
| Interface |
I2C (up to 1 MHz) |
| Supply Voltage |
2.7V to 5.5V |
| Operating Temperature |
-40°C to +125°C |
| Package |
40-VQFN (5x5 mm) |
Key Features
- 48 constant-current outputs with 12-bit PWM and 8-bit analog dimming
- I2C interface with programmable address
- Low quiescent current (0.5 µA in shutdown)
- Built-in thermal shutdown and open/short LED detection
- Phase-shifted PWM for reduced EMI
- Automotive Grade (AEC-Q100 qualified)
Target Applications
- Automotive exterior lighting (e.g., Audi A8 matrix LED headlights)
- Automotive interior ambient lighting (e.g., Mercedes-Benz EQS dashboard)
- Industrial control panels (e.g., Siemens HMI displays)
- 5G base station status indicators (e.g., Huawei 5G AAU)
- Consumer electronics (e.g., Samsung QLED TV backlighting)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP5868RKPR. Our core advantages include:
-
24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
-
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.
-
100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
-
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
LP5868RKPR 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40引腳VQFN(5x5 mm)封裝。它集成了12位PWM調光、8位模擬調光以及I2C接口,支持精確的電流控制。輸出電壓高達5.5V,每通道電流範圍0.5-30 mA,適用於汽車、工業和顯示應用,具有高可靠性和低功耗特性。
詳細技術參數
| 參數 |
數值 |
| 通道數 |
48 |
| 輸出電壓 |
最高5.5V |
| 每通道輸出電流 |
0.5 mA 至 30 mA |
| 電流精度 |
±3%(典型值) |
| PWM調光分辨率 |
12位(4096級) |
| 模擬調光分辨率 |
8位(256級) |
| 接口 |
I2C(最高1 MHz) |
| 電源電壓 |
2.7V 至 5.5V |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
40-VQFN(5x5 mm) |
核心特性
- 48路恆流輸出,支持12位PWM和8位模擬調光
- I2C接口,可編程地址
- 低靜態電流(關斷模式下0.5 µA)
- 內置熱關斷和開路/短路LED檢測
- 相移PWM以降低EMI
- 汽車級認證(AEC-Q100)
典型應用場景
- 汽車外部照明(例如奧迪A8矩陣式LED大燈)
- 汽車內部氛圍燈(例如奔馳EQS儀表板)
- 工業控制面板(例如西門子HMI顯示器)
- 5G基站狀態指示燈(例如華為5G AAU)
- 消費電子(例如三星QLED電視背光)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP5868RKPR 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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