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Product Overview
The LM3645YCGR from Texas Instruments is a high-current, synchronous boost LED flash driver designed for camera flash applications in mobile devices. It integrates an I2C-compatible interface for flexible control and supports up to 1.5A flash current. The device is housed in a compact 25-DSBGA (2x2) package, making it ideal for space-constrained designs.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
2.5V to 5.5V |
| Flash Current |
Up to 1.5A |
| Torch Current |
Up to 400mA |
| Switching Frequency |
4MHz |
| Efficiency |
Up to 90% |
| Interface |
I2C (up to 400kHz) |
| Protection Features |
Over-voltage, over-current, thermal shutdown |
| Package |
25-DSBGA (2x2mm) |
| Operating Temperature |
-40°C to +85°C |
Key Features
- High efficiency synchronous boost converter
- Programmable flash and torch current via I2C
- Automatic soft-start to reduce inrush current
- Low quiescent current in shutdown mode
- Small footprint package for compact designs
Target Applications
- Smartphone camera flash (e.g., iPhone 14, Samsung Galaxy S23)
- Tablet camera flash (e.g., iPad Pro)
- Portable medical imaging devices
- Security cameras with IR LED flash
- Automotive interior lighting (e.g., dashboard indicators)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LM3645YCGR. 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
LM3645YCGR 是德州儀器推出的一款高電流同步升壓 LED 閃光燈驅動器,專為移動設備的相機閃光燈應用設計。它集成了 I2C 兼容接口以實現靈活控制,支持高達 1.5A 的閃光電流。器件採用緊湊的 25-DSBGA(2x2)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 |
| 閃光電流 |
最高 1.5A |
| 手電筒電流 |
最高 400mA |
| 開關頻率 |
4MHz |
| 效率 |
最高 90% |
| 接口 |
I2C(最高 400kHz) |
| 保護功能 |
過壓、過流、熱關斷 |
| 封裝 |
25-DSBGA(2x2mm) |
| 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
- 自動軟啟動以減少浪湧電流
- 關斷模式下低靜態電流
- 小尺寸封裝,適合緊湊設計
典型應用場景
- 智能手機相機閃光燈(例如 iPhone 14、Samsung Galaxy S23)
- 平板電腦相機閃光燈(例如 iPad Pro)
- 便攜式醫療成像設備
- 帶紅外 LED 閃光燈的安防攝像頭
- 汽車內部照明(例如儀表板指示燈)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 LM3645YCGR 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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