TCAL9538PWR TI I2C I/O Expander | 16-TSSOP | 16-bit, 1.65-5.5V

Product Overview

The TCAL9538PWR from Texas Instruments is a 16-bit general-purpose I/O expander that provides remote I/O expansion for most microcontroller families via the I2C interface. It features an interrupt output, configurable polarity inversion, and a wide operating voltage range of 1.65 V to 5.5 V. The device is housed in a compact 16-pin TSSOP package, making it ideal for space-constrained applications.

Detailed Technical Specifications

Key Features

• 16-bit bidirectional I/O ports
• I2C interface with up to 400 kHz clock frequency
• Wide supply voltage range: 1.65 V to 5.5 V
• Low standby current consumption
• Interrupt output for event-driven applications
• Configurable polarity inversion on each I/O
• Internal power-on reset
• No glitch on power-up
• Supports hot insertion
• ESD protection exceeds 2000 V HBM

Target Applications

• 5G base stations: monitoring and control of fan speeds, power supply sequencing
• Automotive dashboard: reading switch inputs, controlling LEDs
• Industrial automation: sensor interfacing, relay control
• Consumer electronics: GPIO expansion for smart home devices
• Medical devices: patient monitoring system I/O
• Networking equipment: router/switch status indicators

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for TCAL9538PWR. 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

TCAL9538PWR 是德州儀器 (TI) 推出的一款 16 位通用 I/O 擴展器，通過 I2C 接口為大多數微控制器系列提供遠程 I/O 擴展。它具有中斷輸出、可配置極性反轉以及 1.65 V 至 5.5 V 的寬工作電壓範圍。該器件採用緊湊的 16 引腳 TSSOP 封裝，非常適合空間受限的應用。

詳細技術參數

核心特性

• 16 位雙向 I/O 端口
• I2C 接口，時鐘頻率高達 400 kHz
• 寬電源電壓範圍：1.65 V 至 5.5 V
• 低待機電流消耗
• 中斷輸出，支持事件驅動應用
• 每個 I/O 可配置極性反轉
• 內部上電復位
• 上電無毛刺
• 支持熱插拔
• ESD 保護超過 2000 V HBM

典型應用場景

• 5G 基站：監控和控制風扇速度、電源排序
• 汽車儀表板：讀取開關輸入、控制 LED
• 工業自動化：傳感器接口、繼電器控制
• 消費電子：智能家居設備的 GPIO 擴展
• 醫療設備：病人監護系統 I/O
• 網絡設備：路由器/交換機狀態指示燈

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 TCAL9538PWR 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]