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Product Overview
The LP8556SQE-E00/NOPB is a high-efficiency, 6-channel LED driver from Texas Instruments, designed for backlighting applications in LCD displays. It integrates a boost converter and current sinks to drive up to 6 strings of LEDs with precise current matching. The device operates from an input voltage range of 2.7V to 5.5V, making it suitable for battery-powered devices. The 24-WQFN (4x4) package offers a compact solution for space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Channels |
6 |
| Input Voltage Range |
2.7V to 5.5V |
| Output Voltage (Boost) |
Up to 40V |
| LED Current per Channel |
Up to 30mA |
| Current Matching Accuracy |
±1.5% (typical) |
| Switching Frequency |
1.25MHz (fixed) |
| Dimming Control |
PWM (up to 30kHz) |
| Protection Features |
OVP, OCP, OTP, LED open/short |
| Operating Temperature |
-40°C to +85°C |
| Package |
24-WQFN (4x4mm) |
Key Features
- 6-channel LED driver with integrated boost converter
- High efficiency up to 90%
- Accurate current matching for uniform brightness
- PWM dimming with high frequency for flicker-free operation
- Comprehensive fault protection (OVP, OCP, OTP, LED fault)
- Small footprint 24-WQFN package
Target Applications
- Smartphone and tablet LCD backlighting
- Automotive infotainment displays
- Portable navigation devices
- Industrial control panels
- 5G base station status displays
- Dashboard clusters in electric vehicles
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP8556SQE-E00/NOPB. Our core advantages include:
-
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.
-
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
LP8556SQE-E00/NOPB 是德州儀器推出的一款高效率、6通道LED驅動器,專為LCD顯示器的背光應用設計。它集成了升壓轉換器和電流沉,可驅動多達6串LED,並具有精確的電流匹配。器件工作電壓範圍為2.7V至5.5V,適用於電池供電設備。24-WQFN(4x4)封裝為空間受限的設計提供了緊湊的解決方案。
詳細技術參數
| 參數 |
數值 |
| 通道數 |
6 |
| 輸入電壓範圍 |
2.7V 至 5.5V |
| 輸出電壓(升壓) |
最高40V |
| 每通道LED電流 |
最高30mA |
| 電流匹配精度 |
±1.5%(典型值) |
| 開關頻率 |
1.25MHz(固定) |
| 調光控制 |
PWM(最高30kHz) |
| 保護功能 |
過壓、過流、過溫、LED開路/短路 |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
24-WQFN(4x4mm) |
核心特性
- 6通道LED驅動器,集成升壓轉換器
- 高效率,最高可達90%
- 精確電流匹配,確保亮度均勻
- PWM調光,高頻無閃爍
- 全面的故障保護(過壓、過流、過溫、LED故障)
- 小巧的24-WQFN封裝
典型應用場景
- 智能手機和平板電腦LCD背光
- 汽車信息娛樂顯示屏
- 便攜導航設備
- 工業控制面板
- 5G基站狀態顯示屏
- 電動汽車儀表盤集群
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP8556SQE-E00/NOPB 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]