FDA903D-EHT ST Audio Amplifier | POWERSSO-36EPU | 2x50W, 4-18V

Product Overview

The FDA903D-EHT is a high-efficiency, dual-channel audio amplifier from STMicroelectronics, designed for automotive and industrial applications. It delivers up to 2x50W output power into 4Ω loads with a wide supply voltage range of 4V to 18V. Housed in the compact POWERSSO-36EPU package, it integrates advanced protection features and low EMI emissions, making it ideal for space-constrained and noise-sensitive environments.

Detailed Technical Specifications

Key Features

• High efficiency Class-D operation with low quiescent current
• Integrated digital input (I2S) with sample rate up to 192kHz
• Programmable output power via SPI
• Low EMI emissions meeting CISPR25 Class 5
• Built-in diagnostics and load detection
• Automotive qualified (AEC-Q100)

Target Applications

• Automotive infotainment systems (e.g., car audio head units, external amplifiers)
• 5G base station audio alert systems
• Industrial audio equipment (e.g., public address systems, intercoms)
• Portable battery-powered speakers
• Dashboard warning sound generators

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for FDA903D-EHT. 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

FDA903D-EHT 是意法半導體推出的高效雙通道音頻放大器，專為汽車和工業應用設計。在4Ω負載下可提供2x50W輸出功率，電源電壓範圍為4V至18V。採用緊湊的POWERSSO-36EPU封裝，集成先進保護功能和低EMI特性，適合空間受限和噪聲敏感的環境。

詳細技術參數

核心特性

• 高效D類運作，靜態電流低
• 集成數字輸入 (I2S)，採樣率最高192kHz
• 通過SPI可編程輸出功率
• 低EMI，符合CISPR25 Class 5
• 內建診斷和負載檢測
• 通過AEC-Q100汽車認證

典型應用場景

• 汽車信息娛樂系統（如車載音響主機、外置功放）
• 5G基站音頻報警系統
• 工業音頻設備（如公共廣播系統、對講機）
• 便攜電池供電音箱
• 儀表盤警告音發生器

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 FDA903D-EHT 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]