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Product Overview
The LM3554TME/NOPB is a high-power, synchronous boost LED driver from Texas Instruments, designed for portable applications requiring high brightness and efficiency. It integrates a 1.5A flash LED driver with I2C-compatible interface, enabling precise current control and advanced lighting effects. Housed in a compact 16-DSBGA package, it is ideal for space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
2.5V to 5.5V |
| Output Current (Flash) |
Up to 1.5A |
| Output Current (Torch) |
Up to 400mA |
| Switching Frequency |
2MHz |
| Efficiency |
Up to 90% |
| Interface |
I2C (up to 400kHz) |
| Package |
16-DSBGA (2.0mm x 2.0mm) |
| Operating Temperature |
-40°C to +85°C |
Key Features
- High efficiency synchronous boost converter
- Programmable flash and torch currents via I2C
- Integrated 1.5A flash LED driver
- Low quiescent current (typical 1µA shutdown)
- Over-temperature and over-voltage protection
- Small footprint 16-DSBGA package
Target Applications
- Smartphone camera flash (e.g., iPhone 12, Samsung Galaxy S21)
- Digital still cameras (e.g., Canon PowerShot)
- Portable medical devices (e.g., otoscope, dermatoscope)
- Industrial handheld scanners
- Automotive interior lighting (e.g., dashboard backlight)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM3554TME/NOPB. 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.
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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
LM3554TME/NOPB 是德州儀器推出的一款高效同步升壓 LED 驅動器,專為需要高亮度和高效率的便攜式應用而設計。它集成了 1.5A 閃光燈 LED 驅動器,並帶有 I2C 兼容接口,可實現精確的電流控制和先進的照明效果。採用緊湊的 16-DSBGA 封裝,非常適合空間受限的設計。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
2.5V 至 5.5V |
| 輸出電流(閃光) |
最高 1.5A |
| 輸出電流(手電筒) |
最高 400mA |
| 開關頻率 |
2MHz |
| 效率 |
最高 90% |
| 接口 |
I2C(最高 400kHz) |
| 封裝 |
16-DSBGA(2.0mm x 2.0mm) |
| 工作溫度 |
-40°C 至 +85°C |
核心特性
- 高效同步升壓轉換器
- 通過 I2C 可編程閃光燈和手電筒電流
- 集成 1.5A 閃光燈 LED 驅動器
- 低靜態電流(典型關機 1µA)
- 過溫和過壓保護
- 小尺寸 16-DSBGA 封裝
典型應用場景
- 智能手機相機閃光燈(例如 iPhone 12、Samsung Galaxy S21)
- 數碼相機(例如 Canon PowerShot)
- 便攜式醫療設備(例如耳鏡、皮膚鏡)
- 工業手持掃描儀
- 汽車內部照明(例如儀表板背光)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM3554TME/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:
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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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