L6491D ST Gate Driver | 14-SO | 600V, 4A sink/source

Product Overview

The L6491D is a high-voltage gate driver IC from STMicroelectronics, designed for driving N-channel MOSFETs and IGBTs in half-bridge configurations. It features a 600V bootstrap voltage, 4A sink/source peak current, and integrated protection functions. Housed in a compact 14-SO package, it is ideal for power conversion applications requiring high efficiency and reliability.

Detailed Technical Specifications

Key Features

• High voltage rail up to 600V
• 4A peak gate drive current
• Integrated bootstrap diode
• Under-voltage lockout (UVLO) on VCC and VB
• Interlocking function to prevent cross-conduction
• 3.3V/5V logic compatible inputs
• Shutdown pin for fault management

Target Applications

• Switched-mode power supplies (SMPS) for telecom and 5G base stations
• Motor drives for industrial automation and robotics
• DC-DC converters for electric vehicle (EV) charging stations
• Solar inverters for residential and commercial systems
• Class-D audio amplifiers for high-power audio systems

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for L6491D. 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

L6491D是意法半導體（STMicroelectronics）的一款高壓柵極驅動器IC，專為驅動半橋配置中的N溝道MOSFET和IGBT而設計。它具有600V自舉電壓、4A灌/拉峰值電流以及集成保護功能。採用緊湊的14-SO封裝，非常適合需要高效率和高可靠性的電源轉換應用。

詳細技術參數

核心特性

• 高壓軌高達 600V
• 4A 峰值柵極驅動電流
• 集成自舉二極管
• VCC 和 VB 欠壓鎖定（UVLO）
• 互鎖功能防止直通
• 3.3V/5V 邏輯兼容輸入
• 關斷引腳用於故障管理

典型應用場景

• 電信和5G基站的開關電源（SMPS）
• 工業自動化和機器人的電機驅動
• 電動汽車（EV）充電站的DC-DC轉換器
• 住宅和商業系統的太陽能逆變器
• 高功率音頻系統的D類音頻放大器

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 L6491D 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]