LP8557AYFQR TI LED Driver | 16-DSBGA | 6-Channel, 40V, I2C

Product Overview

The LP8557AYFQR is a high-efficiency, 6-channel LED driver from Texas Instruments, designed for backlighting applications in LCD displays. It integrates a boost converter and 6 current sinks, each capable of driving up to 40V. The device supports I2C interface for flexible brightness control and features PWM dimming for smooth brightness adjustment. Housed in a compact 16-DSBGA package, it is ideal for space-constrained designs.

Detailed Technical Specifications

Key Features

• 6-channel LED driver with integrated boost converter
• Up to 40V output voltage for series LED strings
• I2C interface for programmable current and dimming
• PWM dimming with 256 steps for smooth brightness control
• High efficiency up to 90%
• Built-in over-voltage, over-current, and thermal protection
• Small 16-DSBGA package saves board space

Target Applications

• LCD backlighting for automotive dashboards and infotainment systems
• Industrial display panels (e.g., HMI, test equipment)
• Portable devices like tablets and notebooks
• 5G base station status indicators
• Medical equipment displays

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LP8557AYFQR. 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

LP8557AYFQR 是德州儀器推出的一款高效率、6通道LED驅動器，專為LCD顯示器背光應用設計。它整合了升壓轉換器和6個電流沉，每個通道可驅動高達40V的電壓。該器件支持I2C接口以實現靈活的亮度控制，並具備PWM調光功能，可實現平滑的亮度調節。採用緊湊的16-DSBGA封裝，適合空間受限的設計。

詳細技術參數

核心特性

• 6通道LED驅動器，集成升壓轉換器
• 最高40V輸出電壓，支持串聯LED燈串
• I2C接口，可編程電流和調光
• 256級PWM調光，實現平滑亮度控制
• 高效率，最高可達90%
• 內置過壓、過流和過熱保護
• 小巧的16-DSBGA封裝，節省電路板空間

典型應用場景

• 汽車儀表盤和信息娛樂系統的LCD背光
• 工業顯示面板（如人機界面、測試設備）
• 平板電腦和筆記本電腦等便攜設備
• 5G基站狀態指示燈
• 醫療設備顯示器

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LP8557AYFQR 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]