LM3639AYFQT TI LED Driver | 20-DSBGA (2.04X1.78) | 40V, 1.5A

Product Overview

The LM3639AYFQT from Texas Instruments is a high-efficiency, synchronous boost LED driver designed for backlighting and general illumination applications. It integrates a 40V, 1.5A switch FET and supports up to 10 series LEDs. The device operates from a 2.5V to 5.5V input voltage range, making it suitable for single-cell Li-Ion battery-powered devices. The LM3639AYFQT features PWM dimming, overvoltage protection, and thermal shutdown, ensuring reliable performance in compact designs.

Detailed Technical Specifications

Key Features

• Integrated 40V, 1.5A switch FET
• Up to 90% efficiency
• Supports up to 10 series LEDs
• PWM dimming with 1000:1 ratio
• Small 20-DSBGA package (2.04mm x 1.78mm)
• Overvoltage and overcurrent protection
• Thermal shutdown

Target Applications

• Smartphone and tablet backlighting
• Automotive dashboard displays
• Portable medical devices
• 5G base station indicator LEDs
• Industrial control panel lighting

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LM3639AYFQT. 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

LM3639AYFQT 是德州儀器（TI）推出的一款高效同步升壓 LED 驅動器，專為背光照明和通用照明應用設計。它集成了 40V、1.5A 的開關 FET，可支援多達 10 顆串聯 LED。該器件的工作輸入電壓範圍為 2.5V 至 5.5V，非常適合單節鋰離子電池供電的設備。LM3639AYFQT 具有 PWM 調光、過壓保護和熱關斷功能，確保在緊湊設計中實現可靠性能。

詳細技術參數

核心特性

• 集成 40V、1.5A 開關 FET
• 效率高達 90%
• 支援多達 10 顆串聯 LED
• PWM 調光，對比度 1000:1
• 小型 20-DSBGA 封裝（2.04mm x 1.78mm）
• 過壓和過流保護
• 熱關斷

典型應用場景

• 智能手機和平板電腦背光
• 汽車儀表盤顯示
• 便攜式醫療設備
• 5G 基站指示燈
• 工業控制面板照明

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LM3639AYFQT 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]