LP5521YQ/NOPB TI LED Driver | 24-WQFN (5x4) | 4-Channel, I2C, 1.5A

Product Overview

The LP5521YQ/NOPB is a high-performance, 4-channel LED driver from Texas Instruments, designed for portable and consumer electronics. It integrates a boost converter with up to 1.5A total output current, enabling efficient driving of multiple LEDs from a single Li-Ion cell. The device features I2C-compatible interface for flexible control, programmable LED current, and built-in pattern generation for lighting effects. Housed in a compact 24-WQFN (5x4) package, it is ideal for space-constrained applications.

Detailed Technical Specifications

Key Features

• Integrated boost converter with overvoltage protection
• Programmable LED current via I2C
• Built-in pattern generator for autonomous operation
• Low quiescent current (typical 0.5 µA in shutdown)
• Thermal shutdown and LED fault detection
• Small footprint: 5x4 mm WQFN package

Target Applications

• Smartphone notification LEDs
• Portable media player backlighting
• Wearable device indicator lights
• 5G base station status indicators
• Automotive dashboard backlighting
• IoT device RGB lighting

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LP5521YQ/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

LP5521YQ/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。它集成了升壓轉換器，總輸出電流高達1.5A，能夠從單節鋰離子電池高效驅動多個LED。該器件支持I2C兼容接口，可靈活控制，具有可編程LED電流和內置圖案生成功能，適用於照明效果。採用緊湊的24-WQFN（5x4）封裝，適合空間受限的應用。

詳細技術參數

核心特性

• 集成升壓轉換器，帶過壓保護
• 通過I2C可編程LED電流
• 內置圖案生成器，支持自主操作
• 低靜態電流（關斷時典型值0.5 µA）
• 熱關斷和LED故障檢測
• 小尺寸：5x4 mm WQFN封裝

典型應用場景

• 智能手機通知LED
• 便攜式媒體播放器背光
• 可穿戴設備指示燈
• 5G基站狀態指示燈
• 汽車儀表盤背光
• 物聯網設備RGB照明

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LP5521YQ/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]