TCA9509DGKR TI I2C Bus Repeater | 8-VSSOP | 2.3V-3.6V, 400kHz

Product Overview

The TCA9509DGKR from Texas Instruments is a hot-swappable I2C bus repeater designed for bidirectional voltage-level translation (up to 3.6V) and bus buffering. It enables communication between two I2C buses operating at different voltage levels, with built-in rise time accelerators and stuck bus recovery. Housed in a compact 8-VSSOP package, it is ideal for space-constrained applications requiring robust I2C signal integrity.

Detailed Technical Specifications

Key Features

• Bidirectional voltage-level translation between 1.2V-3.6V and 1.65V-3.6V I2C buses
• Built-in rise time accelerators for improved signal integrity on heavily loaded buses
• Stuck bus recovery automatically releases bus if SCL or SDA is low for >30 ms
• Hot-swap capability allows insertion without disrupting bus operation
• Low standby current (1 µA typical)
• Small 8-VSSOP package saves board space

Target Applications

• 5G base stations: I2C bus isolation between control and RF modules
• Automotive dashboard: Level translation between 3.3V MCU and 1.8V sensors
• Industrial PLC: Buffering I2C signals over long backplane traces
• Data center servers: Hot-swap I2C bus for pluggable modules
• Consumer electronics: Smart speakers with mixed-voltage I2C peripherals

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for TCA9509DGKR. 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

TCA9509DGKR 是德州儀器推出的熱插拔 I2C 匯流排中繼器，支援雙向電壓位準轉換（最高 3.6V）和匯流排緩衝。它允許兩個不同電壓的 I2C 匯流排進行通訊，內建上升時間加速器和卡住匯流排恢復功能。採用緊湊的 8-VSSOP 封裝，非常適合需要強大 I2C 訊號完整性的空間受限應用。

詳細技術參數

核心特性

• 雙向電壓位準轉換，支援 1.2V-3.6V 和 1.65V-3.6V 的 I2C 匯流排
• 內建上升時間加速器，改善重負載匯流排的訊號完整性
• 卡住匯流排恢復功能：若 SCL 或 SDA 低電平超過 30 ms，自動釋放匯流排
• 熱插拔能力，可在不中斷匯流排操作的情況下插入
• 低待機電流（典型值 1 µA）
• 小型 8-VSSOP 封裝節省電路板空間

典型應用場景

• 5G 基地台：控制模組與射頻模組之間的 I2C 匯流排隔離
• 汽車儀表板：3.3V MCU 與 1.8V 感測器之間的位準轉換
• 工業 PLC：長背板走線上的 I2C 訊號緩衝
• 資料中心伺服器：可插拔模組的熱插拔 I2C 匯流排
• 消費電子：智慧音箱中混合電壓的 I2C 周邊設備

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 TCA9509DGKR 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.
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