THVD1449VDR TI RS-485/RS-422 Transceiver | 8-SOIC | 3.3V, 250kbps

Product Overview

The THVD1449VDR from Texas Instruments is a robust half-duplex RS-485/RS-422 transceiver designed for industrial communication networks. Operating from a 3.3V supply, it delivers data rates up to 250 kbps while featuring enhanced ESD protection up to ±30 kV (HBM). The device is housed in an 8-pin SOIC package, making it suitable for space-constrained applications. Its extended common-mode range and fail-safe receiver ensure reliable operation in noisy environments.

Detailed Technical Specifications

Key Features

• 3.3V supply operation with low power consumption
• Up to 250 kbps data rate for industrial networks
• ±30 kV HBM ESD protection on bus pins
• Fail-safe receiver for open, short, or idle bus conditions
• Extended common-mode range (-7V to 12V) for ground potential differences
• Thermal shutdown protection
• 1/8 unit load (up to 256 nodes on a bus)

Target Applications

The THVD1449VDR is ideal for industrial automation, building automation, and telecommunications. Specific examples include: 5G base station control interfaces, programmable logic controllers (PLCs), HVAC systems, motor drives, and smart grid equipment. It is also used in automotive diagnostic buses and industrial sensor networks.

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for THVD1449VDR. 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

THVD1449VDR 是德州儀器推出的半雙工 RS-485/RS-422 收發器，專為工業通訊網路設計。它採用 3.3V 供電，數據傳輸速率高達 250 kbps，並具備高達 ±30 kV（HBM）的增強型 ESD 保護。器件採用 8 引腳 SOIC 封裝，適合空間受限的應用。其擴展共模範圍和故障安全接收器確保在嘈雜環境中可靠運行。

詳細技術參數

核心特性

• 3.3V 供電，低功耗
• 高達 250 kbps 的數據速率，適用於工業網路
• 匯流排引腳提供 ±30 kV HBM ESD 保護
• 故障安全接收器，適用於開路、短路或空閒匯流排
• 擴展共模範圍（-7V 至 12V），應對地電位差
• 熱關斷保護
• 1/8 單位負載（最多 256 個節點）

典型應用場景

THVD1449VDR 適用於工業自動化、樓宇自動化和電信領域。具體產品包括：5G 基地台控制介面、可程式邏輯控制器（PLC）、暖通空調系統、馬達驅動器和智慧電網設備。它也用於汽車診斷匯流排和工業感測器網路。

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 THVD1449VDR 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]