PCA9534ARGVR TI I2C GPIO Expander | 16-VQFN (4x4) | 8-bit, 400kHz

Product Overview

The PCA9534ARGVR from Texas Instruments is a 8-bit I²C-bus and SMBus I/O expander designed for 2.3-V to 5.5-V VCC operation. It provides general-purpose remote I/O expansion for most microcontroller families via the I²C interface (serial clock (SCL) and serial data (SDA)). The device features an 8-bit quasi-bidirectional I/O port (P0–P7) with high-current drive capability (25 mA sink) and low power consumption. The PCA9534ARGVR is available in a compact 16-pin VQFN (4x4) package, making it ideal for space-constrained applications.

Detailed Technical Specifications

Key Features

• 8-bit I/O expander with I²C/SMBus interface
• Three hardware address pins allow up to 8 devices on the same bus
• High sink current capability (25 mA) for driving LEDs directly
• Low standby current consumption (1 µA typical)
• Open-drain active-low interrupt output (INT)
• Input/output polarity inversion register
• Internal power-on reset
• No glitch on power-up
• Supports hot insertion
• RoHS compliant and halogen-free

Target Applications

• 5G base stations: control and status monitoring of power modules, fans, and LEDs
• Automotive dashboard: reading switches, controlling indicator lights
• Industrial PLCs: expanding digital I/O for sensors and actuators
• Server motherboards: managing system status LEDs and reset signals
• Smart home devices: touch panel interfaces and LED control
• Medical equipment: patient monitoring panel controls

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for PCA9534ARGVR. 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

PCA9534ARGVR 是德州儀器（TI）推出的8位I²C總線和SMBus I/O擴展器，工作電壓範圍為2.3V至5.5V。它通過I²C接口（串行時鐘SCL和串行數據SDA）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位準雙向I/O端口（P0–P7），具有高電流驅動能力（25 mA灌電流）和低功耗。PCA9534ARGVR採用緊湊的16引腳VQFN（4x4）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I/O擴展器，帶I²C/SMBus接口
• 三個硬件地址引腳，同一總線上最多支持8個器件
• 高灌電流能力（25 mA），可直接驅動LED
• 低待機電流消耗（典型值1 µA）
• 開漏低電平有效中斷輸出（INT）
• 輸入/輸出極性反轉寄存器
• 內部上電復位
• 上電無毛刺
• 支持熱插入
• 符合RoHS標準且無滷素

典型應用場景

• 5G基站：電源模塊、風扇和LED的監控與控制
• 汽車儀表盤：開關讀取、指示燈控制
• 工業PLC：傳感器和執行器的數字I/O擴展
• 服務器主板：系統狀態LED和復位信號管理
• 智能家居設備：觸摸面板接口和LED控制
• 醫療設備：病人監護面板控制

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 PCA9534ARGVR 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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• 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

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• 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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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
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