LM3644YFFR TI LED Driver | 12-DSBGA | Dual-Channel, 1.5A Flash

Product Overview

The LM3644YFFR is a high-performance dual-channel LED driver from Texas Instruments, designed for camera flash and torch applications in mobile devices. Housed in a compact 12-DSBGA package, it delivers up to 1.5A per channel with high efficiency and low quiescent current. The device integrates an I2C-compatible interface for flexible control, making it ideal for space-constrained designs requiring precise LED current regulation.

Detailed Technical Specifications

Key Features

• Dual-channel independent current control
• Programmable flash current up to 1.5A
• Torch mode with adjustable current
• I2C interface for flexible configuration
• Built-in safety features: over-voltage, over-temperature, and LED short-circuit protection
• Low shutdown current for battery-powered devices
• Small footprint suitable for slim designs

Target Applications

• Smartphone camera flash (e.g., iPhone 14, Samsung Galaxy S23)
• Tablet front/rear flash (e.g., iPad Pro, Samsung Galaxy Tab)
• Portable medical devices (e.g., Welch Allyn otoscope)
• Industrial handheld scanners (e.g., Zebra TC52)
• Automotive interior lighting (e.g., dashboard indicator LEDs)
• 5G base station status indicators

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM3644YFFR. 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.
• HK-SZ Synergy, Flexible Settlement: Direct global shipping from Shenzhen with support for HK bank transfers and multi-currency.
• Escrow Secured Transactions: We support Escrow.com for secure transactions, ensuring peace of mind for batch orders.
• 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.
• Original Factory Packaging: We maintain original factory packaging and seals to ensure ESD protection and physical integrity.

產品概述

LM3644YFFR 是德州儀器推出的一款高性能雙通道 LED 驅動器，專為移動設備的相機閃光燈和手電筒應用設計。採用緊湊的 12-DSBGA 封裝，每通道可提供高達 1.5A 的電流，具有高效率與低靜態電流特性。器件集成 I2C 兼容接口，支持靈活控制，非常適合需要精確 LED 電流調節的空間受限設計。

詳細技術參數

核心特性

• 雙通道獨立電流控制
• 可編程閃光電流高達 1.5A
• 手電筒模式，電流可調
• I2C 接口，配置靈活
• 內置安全功能：過壓、過溫、LED 短路保護
• 低關斷電流，適合電池供電設備
• 小尺寸，適合超薄設計

典型應用場景

• 智能手機相機閃光燈（如 iPhone 14、Samsung Galaxy S23）
• 平板電腦前/後閃光燈（如 iPad Pro、Samsung Galaxy Tab）
• 便攜醫療設備（如 Welch Allyn 檢耳鏡）
• 工業手持掃描器（如 Zebra TC52）
• 汽車內部照明（如儀表板指示燈）
• 5G 基站狀態指示燈

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LM3644YFFR 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。
• 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。
• 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。
• 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。
• 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。

• 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。
• 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。
• 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。

HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]