TCA9803DGKR TI I2C Buffer | 8-VSSOP | 2-Wire Bus, Hot-Swap

Product Overview

The TCA9803DGKR from Texas Instruments is a high-performance I2C bus buffer designed for 2-wire serial bus applications. It provides bidirectional voltage-level translation (up to 5.5V) and bus buffering, enabling reliable communication in multi-voltage systems. Housed in a compact 8-VSSOP package, it supports hot-swap capability and features rise-time accelerators for improved signal integrity. This device is ideal for applications requiring robust I2C bus expansion and noise immunity.

Detailed Technical Specifications

Key Features

• Bidirectional voltage-level translation from 0.9V to 5.5V
• Hot-swap capability for live insertion
• Rise-time accelerators for high-speed I2C buses
• Low standby current (1 µA typical)
• High ESD protection (8 kV HBM)
• Small 8-VSSOP package for space-constrained designs

Target Applications

• 5G base stations: I2C bus buffering for remote radio units
• Automotive dashboard: Communication between display and MCU
• Industrial automation: Sensor data aggregation
• Data centers: Hot-swappable server modules
• Consumer electronics: Smart home hubs

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for TCA9803DGKR. 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

TCA9803DGKR 是德州儀器（TI）推出的一款高性能 I2C 總線緩衝器，專為雙線串行總線應用設計。它支持雙向電壓電平轉換（最高 5.5V）和總線緩衝，確保多電壓系統中的可靠通信。該器件採用緊湊的 8-VSSOP 封裝，支持熱插拔功能，並配備上升時間加速器以改善信號完整性。非常適合需要強大 I2C 總線擴展和抗噪聲能力的應用。

詳細技術參數

核心特性

• 雙向電壓電平轉換：0.9V 至 5.5V
• 熱插拔功能，支持帶電插拔
• 上升時間加速器，適用於高速 I2C 總線
• 低待機電流（典型值 1 µA）
• 高 ESD 保護（8 kV HBM）
• 小型 8-VSSOP 封裝，節省空間

典型應用場景

• 5G 基站：遠程射頻單元的 I2C 總線緩衝
• 汽車儀表盤：顯示屏與 MCU 之間的通信
• 工業自動化：傳感器數據匯聚
• 數據中心：可熱插拔服務器模塊
• 消費電子：智能家居中樞

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 TCA9803DGKR 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]