L99LD21Q6TR ST Automotive LED Driver | 40-QFN (6x6) | 40V, 1.5A, PWM Dimming

Product Overview

The L99LD21Q6TR is a high-performance automotive LED driver from STMicroelectronics, designed for advanced lighting systems. It integrates a boost controller and a high-side current source, capable of driving up to 1.5A per channel with 40V maximum output. The device supports PWM dimming and offers comprehensive fault protection, making it ideal for automotive exterior and interior lighting.

Detailed Technical Specifications

Key Features

• Integrated boost controller with high-side current source
• Wide input voltage range for automotive applications
• High efficiency with adaptive switching frequency
• PWM dimming with high contrast ratio
• Comprehensive fault diagnostics and protection
• AEC-Q100 qualified for automotive reliability

Target Applications

• Automotive headlamps (e.g., matrix LED headlights)
• Daytime running lights (DRL)
• Turn indicators and tail lights
• Interior ambient lighting (e.g., dashboard backlighting)
• 5G base station indicator lights

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for L99LD21Q6TR. 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

L99LD21Q6TR 是意法半導體推出的高性能汽車級 LED 驅動器，專為先進照明系統設計。它集成升壓控制器和高邊電流源，每通道可驅動高達 1.5A 電流，最大輸出電壓 40V。該器件支持 PWM 調光，並提供全面的故障保護，非常適合汽車外部和內部照明。

詳細技術參數

核心特性

• 集成升壓控制器與高邊電流源
• 寬輸入電壓範圍，適用於汽車應用
• 自適應開關頻率，高效率
• PWM 調光，高對比度
• 全面的故障診斷與保護
• 通過 AEC-Q100 認證，汽車級可靠性

典型應用場景

• 汽車前大燈（如矩陣式 LED 頭燈）
• 日間行車燈
• 轉向燈和尾燈
• 車內氛圍燈（如儀表板背光）
• 5G 基站指示燈

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 L99LD21Q6TR 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]