TCA9537DGSR TI I2C GPIO Expander | 10-VSSOP | 8-bit, 1.65-5.5V

Product Overview

The TCA9537DGSR is a low-voltage 8-bit I²C and SMBus I/O expander from Texas Instruments. It provides general-purpose remote I/O expansion for most microcontroller families via the I²C interface. The device features an 8-bit bidirectional I/O port including a push-pull output latch with interrupt output. The TCA9537DGSR operates from 1.65 V to 5.5 V and is available in a 10-pin VSSOP package, making it ideal for space-constrained applications.

Detailed Technical Specifications

Key Features

• 8-bit bidirectional I/O port
• I²C interface with up to 400 kHz clock frequency
• Low standby current consumption
• Open-drain interrupt output
• 5 V tolerant I/Os
• Power-on reset with all channels set as inputs
• No glitch on power-up
• Supports hot insertion

Target Applications

• 5G base station: control and status monitoring of power amplifiers and filters
• Automotive dashboard: reading switch inputs and controlling LEDs
• Industrial PLC: expanding digital I/O for sensor and actuator control
• Server and networking equipment: managing fan speeds and reset signals
• Consumer electronics: keypad scanning and GPIO expansion in smart home devices

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for TCA9537DGSR. 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

TCA9537DGSR 是德州儀器（TI）推出的一款低電壓 8 位 I²C 和 SMBus I/O 擴展器。它通過 I²C 接口為大多數微控制器系列提供通用遠程 I/O 擴展。該器件具有一個 8 位雙向 I/O 端口，包括帶中斷輸出的推挽輸出鎖存器。TCA9537DGSR 的工作電壓範圍為 1.65 V 至 5.5 V，採用 10 引腳 VSSOP 封裝，非常適合空間受限的應用。

詳細技術參數

核心特性

• 8 位雙向 I/O 端口
• I²C 接口，時鐘頻率高達 400 kHz
• 低待機電流消耗
• 開漏中斷輸出
• 5 V 耐受 I/O
• 上電復位，所有通道設置為輸入
• 上電無毛刺
• 支持熱插拔

典型應用場景

• 5G 基站：功率放大器和濾波器的控制與狀態監控
• 汽車儀表板：讀取開關輸入和控制 LED
• 工業 PLC：擴展數字 I/O 用於傳感器和執行器控制
• 服務器和網絡設備：管理風扇速度和復位信號
• 消費電子：智能家居設備中的鍵盤掃描和 GPIO 擴展

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 TCA9537DGSR 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。
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• 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。
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HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]