LP5521YQX/NOPB TI LED Driver | 24-WQFN (5x4) | 4-Channel, I2C, PWM

Product Overview

The LP5521YQX/NOPB is a high-performance, 4-channel LED driver from Texas Instruments, designed for portable and consumer electronics. It integrates a programmable charge pump and I2C-compatible interface, enabling efficient control of RGB or white LEDs with minimal external components. The device operates from a 2.7V to 5.5V supply and delivers up to 25.5mA per channel with 256-step PWM dimming. Its compact 24-WQFN (5x4mm) package makes it ideal for space-constrained applications.

Detailed Technical Specifications

Key Features

• 4 independent LED drivers with programmable current
• Integrated charge pump for efficient power conversion
• I2C interface for easy control
• 256-step PWM dimming for smooth brightness control
• Low quiescent current (typical 0.5μA in shutdown)
• Built-in thermal shutdown and overcurrent protection
• Small footprint: 24-WQFN (5x4mm)

Target Applications

• Smartphone notification LEDs
• Portable media player indicator lights
• Wearable device status indicators
• IoT sensor module status LEDs
• Battery-powered consumer electronics

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LP5521YQX/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

LP5521YQX/NOPB 是德州儀器（TI）推出的一款高性能4通道LED驅動器，專為便攜式和消費電子產品設計。它集成了可編程電荷泵和I2C兼容接口，能夠以最少的外部元件高效控制RGB或白光LED。該器件可在2.7V至5.5V電源電壓下工作，每通道最大輸出25.5mA，支持256級PWM調光。其緊湊的24-WQFN（5x4mm）封裝非常適合空間受限的應用。

詳細技術參數

核心特性

• 4路獨立LED驅動，電流可編程
• 集成電荷泵，實現高效電源轉換
• I2C接口，易於控制
• 256級PWM調光，亮度調節平滑
• 低靜態電流（關斷時典型值0.5μA）
• 內置熱關斷和過流保護
• 小尺寸封裝：24-WQFN（5x4mm）

典型應用場景

• 智能手機通知LED
• 便攜式媒體播放器指示燈
• 可穿戴設備狀態指示
• 物聯網傳感器模塊狀態LED
• 電池供電的消費電子產品

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LP5521YQX/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]