TCAL9539RTWRQ1 TI I2C I/O Expander | 24-WQFN (4x4) | 16-bit, 1.65-5.5V

Product Overview

The TCAL9539RTWRQ1 from Texas Instruments is a 16-bit I2C-bus and SMBus I/O expander designed for automotive and industrial applications. It provides 16 general-purpose I/O pins that can be configured as inputs or outputs via an I2C interface. The device operates from 1.65V to 5.5V, making it suitable for low-voltage systems. Housed in a compact 24-pin WQFN (4x4 mm) package, it offers a space-saving solution for expanding the I/O capabilities of microcontrollers.

Detailed Technical Specifications

Key Features

• 16-bit bidirectional I/O ports
• I2C interface with up to 400 kHz clock frequency
• Wide supply voltage range: 1.65V to 5.5V
• Low standby current consumption
• Open-drain active-low interrupt output
• 5V tolerant I/Os
• Polarity inversion register
• Internal power-on reset
• No glitch on power-up
• Automotive Grade: AEC-Q100 qualified

Target Applications

• Automotive body control modules (e.g., dashboard switches, door locks)
• 5G base station control and monitoring
• Industrial automation (PLC I/O expansion)
• Server and telecom equipment (LED control, fan monitoring)
• Portable electronics (keypad scanning, GPIO expansion)

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for TCAL9539RTWRQ1. 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

TCAL9539RTWRQ1 是德州儀器 (TI) 推出的 16 位 I2C 匯流排和 SMBus I/O 擴展器，專為汽車和工業應用設計。它提供 16 個通用 I/O 引腳，可通過 I2C 介面配置為輸入或輸出。該器件的工作電壓範圍為 1.65V 至 5.5V，適用於低壓系統。採用緊湊的 24 引腳 WQFN (4x4 mm) 封裝，為微控制器擴展 I/O 能力提供了節省空間的解決方案。

詳細技術參數

核心特性

• 16 位雙向 I/O 端口
• I2C 介面，時鐘頻率最高 400 kHz
• 寬電源電壓範圍：1.65V 至 5.5V
• 低待機電流消耗
• 開漏低電平有效中斷輸出
• 5V 容限 I/O
• 極性反轉寄存器
• 內部上電復位
• 上電無毛刺
• 汽車級：AEC-Q100 認證

典型應用場景

• 汽車車身控制模塊（例如儀表板開關、門鎖）
• 5G 基站控制與監控
• 工業自動化（PLC I/O 擴展）
• 服務器和電信設備（LED 控制、風扇監控）
• 便攜式電子產品（鍵盤掃描、GPIO 擴展）

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 TCAL9539RTWRQ1 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]