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Product Overview
The LP5811BYBHR from Texas Instruments is a high-performance, 4-channel RGB LED driver designed for portable and wearable applications. It features an I2C-compatible interface, ultra-low quiescent current, and independent current control for each channel. Housed in a compact 12-DSBGA (1.84mm x 1.43mm) package, it enables small form factor designs with minimal external components.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Channels |
4 |
| Output Current per Channel |
Up to 25 mA |
| Supply Voltage Range |
1.5 V to 5.5 V |
| Interface |
I2C (up to 400 kHz) |
| Quiescent Current |
0.5 µA (typical) |
| Dimming Resolution |
8-bit per channel |
| Operating Temperature |
-40°C to +85°C |
| Package |
12-DSBGA (1.84 mm x 1.43 mm) |
Key Features
- Ultra-low quiescent current extends battery life in portable devices.
- Independent PWM dimming for each channel enables precise color mixing.
- I2C interface simplifies control with minimal GPIO usage.
- Built-in thermal shutdown and overcurrent protection.
- Small package saves PCB space.
Target Applications
- Smartphones and tablets (e.g., Samsung Galaxy S series, Apple iPad) for notification LEDs.
- Wearable devices (e.g., Fitbit Charge, Apple Watch) for status indicators.
- Portable medical devices (e.g., glucose monitors, pulse oximeters) for user alerts.
- IoT modules (e.g., ESP32 development boards) for RGB status lights.
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP5811BYBHR. 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
LP5811BYBHR 是德州儀器(TI)推出的一款高性能4通道RGB LED驅動器,專為可攜式與穿戴式設備設計。它支援I2C通訊介面,具有超低靜態電流和獨立電流控制功能。採用緊湊的12-DSBGA(1.84mm x 1.43mm)封裝,可實現小型化設計,減少外部元件數量。
詳細技術參數
| 參數 |
數值 |
| 通道數 |
4 |
| 每通道輸出電流 |
最高25 mA |
| 電源電壓範圍 |
1.5 V 至 5.5 V |
| 介面 |
I2C(最高400 kHz) |
| 靜態電流 |
0.5 µA(典型值) |
| 調光解析度 |
每通道8位元 |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
12-DSBGA(1.84 mm x 1.43 mm) |
核心特性
- 超低靜態電流,延長可攜式設備電池壽命。
- 獨立PWM調光,實現精確混色。
- I2C介面簡化控制,減少GPIO佔用。
- 內建熱關斷和過流保護。
- 小型封裝節省PCB空間。
典型應用場景
- 智慧型手機與平板(如三星Galaxy S系列、Apple iPad)的通知LED。
- 穿戴式設備(如Fitbit Charge、Apple Watch)的狀態指示燈。
- 可攜式醫療設備(如血糖儀、脈搏血氧儀)的用戶提示。
- 物聯網模組(如ESP32開發板)的RGB狀態燈。
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP5811BYBHR 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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