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Product Overview
The LP8556TME-E11/NOPB is a high-efficiency, 6-channel LED driver from Texas Instruments, designed for backlighting applications in LCD displays. It integrates a boost converter with an adaptive output voltage control to minimize power dissipation. The device supports I2C interface for flexible brightness control and features programmable PWM dimming frequency. Housed in a compact 20-DSBGA (2.04x1.78 mm) package, it is ideal for space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Number of Channels |
6 |
| Topology |
Boost |
| Output Voltage (Max) |
40V |
| LED Current per Channel |
Up to 30mA |
| Dimming Method |
PWM (via I2C) |
| Switching Frequency |
1.2 MHz (typical) |
| Supply Voltage Range |
2.7V to 5.5V |
| Interface |
I2C (up to 400 kHz) |
| Operating Temperature |
-40°C to +85°C |
| Package |
20-DSBGA (2.04x1.78 mm) |
Key Features
- 6-channel LED driver with integrated boost converter
- Adaptive output voltage control for efficiency
- I2C programmable PWM dimming (256 steps)
- Programmable switching frequency (300 kHz to 1.2 MHz)
- Over-voltage and over-temperature protection
- Low quiescent current (0.5 µA shutdown)
- Small footprint package (2.04x1.78 mm)
Target Applications
- Smartphone and tablet LCD backlighting
- Automotive infotainment displays
- Portable media players
- Industrial control panels
- 5G base station status indicators
- Dashboard backlighting in vehicles
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LP8556TME-E11/NOPB. 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
LP8556TME-E11/NOPB 是德州儀器 (TI) 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,具有自適應輸出電壓控制,可最大限度地降低功耗。該器件支持 I2C 接口以實現靈活的亮度控制,並具有可編程 PWM 調光頻率。採用緊湊的 20-DSBGA(2.04x1.78 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 |
6 |
| 拓撲結構 |
升壓 |
| 最大輸出電壓 |
40V |
| 每通道 LED 電流 |
最高 30mA |
| 調光方式 |
PWM(通過 I2C) |
| 開關頻率 |
典型值 1.2 MHz |
| 電源電壓範圍 |
2.7V 至 5.5V |
| 接口 |
I2C(最高 400 kHz) |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
20-DSBGA(2.04x1.78 mm) |
核心特性
- 6通道 LED 驅動器,集成升壓轉換器
- 自適應輸出電壓控制,提高效率
- I2C 可編程 PWM 調光(256 級)
- 可編程開關頻率(300 kHz 至 1.2 MHz)
- 過壓和過溫保護
- 低靜態電流(關斷時 0.5 µA)
- 小尺寸封裝(2.04x1.78 mm)
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
- 便攜式媒體播放器
- 工業控制面板
- 5G 基站狀態指示燈
- 車輛儀表板背光
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LP8556TME-E11/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]