LP3944ISQ/NOPB TI LED Driver | 24-WQFN (4x4) | 16-Ch, I2C, 5.5V

Product Overview

The LP3944ISQ/NOPB is a 16-channel, I2C-controlled LED driver from Texas Instruments, designed for efficient management of multiple LEDs in portable and embedded applications. Housed in a compact 24-WQFN (4x4 mm) package, it offers independent brightness control via PWM, low standby current, and a wide supply voltage range of 2.3V to 5.5V. This device simplifies LED driving with minimal external components, making it ideal for space-constrained designs.

Detailed Technical Specifications

Key Features

• 16 independent LED drivers with programmable brightness
• I2C-compatible interface for easy control
• Low standby current extends battery life
• Internal oscillator eliminates external clock
• Open/short LED detection for fault monitoring
• Compact 4x4 mm QFN package saves board space

Target Applications

• Smartphone notification LEDs
• Portable media player backlighting
• 5G base station status indicators
• Automotive dashboard warning lights
• IoT device status displays
• Wearable device LED arrays

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LP3944ISQ/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.
• 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

LP3944ISQ/NOPB 是德州儀器（TI）推出的16通道I2C控制LED驅動器，專為便攜式和嵌入式應用中的多個LED高效管理而設計。採用緊湊的24-WQFN（4x4 mm）封裝，支援通過PWM獨立調節亮度，具有低待機電流和2.3V至5.5V的寬電源電壓範圍。該器件以最少的外部元件簡化LED驅動，非常適合空間受限的設計。

詳細技術參數

核心特性

• 16路獨立LED驅動，亮度可編程
• I2C兼容接口，易於控制
• 低待機電流，延長電池壽命
• 內部振盪器，無需外部時鐘
• 開路/短路LED檢測，實現故障監控
• 緊湊4x4 mm QFN封裝，節省電路板空間

典型應用場景

• 智能手機通知LED
• 便攜式媒體播放器背光
• 5G基站狀態指示燈
• 汽車儀表盤警告燈
• 物聯網設備狀態顯示
• 可穿戴設備LED陣列

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LP3944ISQ/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。
• 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]