LP8557AYFQT TI LED Driver | 16-DSBGA | 6-Channel, 40V Boost

Product Overview

The LP8557AYFQT is a high-efficiency, 6-channel LED driver from Texas Instruments, designed for backlighting applications in automotive and industrial displays. It features an integrated boost converter with up to 40V output, enabling driving of multiple LED strings in series. The device supports PWM dimming with a wide frequency range and includes advanced fault protection such as overvoltage, overcurrent, and overtemperature shutdown. Packaged in a compact 16-DSBGA (0.4mm pitch), it is ideal for space-constrained designs.

Detailed Technical Specifications

Key Features

• 6-channel current sink with up to 40V boost output
• Integrated boost converter with 1.2MHz switching frequency
• PWM dimming with 100Hz to 30kHz range
• ±3% LED current matching between channels
• Comprehensive fault protection: OVP, OCP, OTP, UVLO
• Small 16-DSBGA package for compact designs
• I2C interface for flexible control

Target Applications

• Automotive dashboard and infotainment displays (e.g., 12.3-inch cluster)
• Industrial control panels and HMI screens
• 5G base station status indicators
• Medical device backlighting (e.g., patient monitors)
• Portable electronics with small displays

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for LP8557AYFQT. 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

LP8557AYFQT 是德州儀器推出的一款高效率、6通道 LED 驅動器，專為汽車和工業顯示器的背光應用設計。它集成了升壓轉換器，最高輸出電壓可達 40V，能夠驅動多串 LED。該器件支持 PWM 調光，頻率範圍寬，並具有過壓、過流和過溫關斷等先進故障保護功能。採用緊湊的 16-DSBGA（0.4mm 間距）封裝，非常適合空間受限的設計。

詳細技術參數

核心特性

• 6通道電流沉，升壓輸出高達 40V
• 集成升壓轉換器，開關頻率 1.2MHz
• PWM 調光，範圍 100Hz 至 30kHz
• 通道間 LED 電流匹配精度 ±3%
• 全面的故障保護：OVP, OCP, OTP, UVLO
• 小巧的 16-DSBGA 封裝，適合緊湊設計
• I2C 接口，實現靈活控制

典型應用場景

• 汽車儀表盤和信息娛樂顯示器（例如 12.3 英寸儀表組）
• 工業控制面板和人機界面屏幕
• 5G 基站狀態指示燈
• 醫療設備背光（例如病人監護儀）
• 帶小型顯示器的便攜式電子設備

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 LP8557AYFQT 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]