{"product_id":"tca9548a-1-to-8-i2c-8-way-module-arduino","title":"TCA9548A 1-to-8 I2C Multiplexer Module IIC 8-Channel Expansion Board","description":"\u003cp data-start=\"381\" data-end=\"746\"\u003eThe \u003cstrong data-start=\"385\" data-end=\"427\"\u003eTCA9548A 1-to-8 I2C Multiplexer Module\u003c\/strong\u003e allows you to connect multiple I2C devices with the same address to a single I2C port—ideal for Arduino, ESP32, Raspberry Pi, and other microcontroller projects.\u003cbr data-start=\"589\" data-end=\"592\"\u003eThis module solves I2C address conflicts and expands your system’s capability to handle up to \u003cstrong data-start=\"686\" data-end=\"714\"\u003e64 identical I2C devices\u003c\/strong\u003e when cascading multiple boards.\u003c\/p\u003e\n\u003ch4 data-start=\"748\" data-end=\"770\"\u003e\u003cstrong data-start=\"752\" data-end=\"768\"\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"773\" data-end=\"849\"\u003e\n\u003cstrong data-start=\"773\" data-end=\"790\"\u003eTCA9548A Chip\u003c\/strong\u003e —Stable I2C switching with eight bidirectional channels.\u003c\/li\u003e\n\u003cli data-start=\"852\" data-end=\"923\"\u003e\n\u003cstrong data-start=\"852\" data-end=\"872\"\u003e1-to-8 Expansion\u003c\/strong\u003e —Each board provides 8 independent I2C channels.\u003c\/li\u003e\n\u003cli data-start=\"926\" data-end=\"1001\"\u003e\n\u003cstrong data-start=\"926\" data-end=\"960\"\u003eAddress Selectable (0x70–0x77)\u003c\/strong\u003e —Supports cascading up to 8 expanders.\u003c\/li\u003e\n\u003cli data-start=\"1004\" data-end=\"1083\"\u003e\n\u003cstrong data-start=\"1004\" data-end=\"1030\"\u003eWide Operating Voltage\u003c\/strong\u003e —1.65V–5.5V; ideal for 1.8V, 3.3V, and 5V systems.\u003c\/li\u003e\n\u003cli data-start=\"1086\" data-end=\"1154\"\u003e\n\u003cstrong data-start=\"1086\" data-end=\"1106\"\u003e400kHz I2C Clock\u003c\/strong\u003e —Compatible with fast-mode I2C communication.\u003c\/li\u003e\n\u003cli data-start=\"1157\" data-end=\"1239\"\u003e\n\u003cstrong data-start=\"1157\" data-end=\"1183\"\u003eLevel Shifting Support\u003c\/strong\u003e —Different voltage buses can coexist across channels.\u003c\/li\u003e\n\u003cli data-start=\"1242\" data-end=\"1333\"\u003e\n\u003cstrong data-start=\"1242\" data-end=\"1264\"\u003eReset \u0026amp; Protection\u003c\/strong\u003e —Active-low reset, no glitch during power-up, SMBus compatibility.\u003c\/li\u003e\n\u003cli data-start=\"1336\" data-end=\"1426\"\u003e\n\u003cstrong data-start=\"1336\" data-end=\"1366\"\u003eBuilt-In Pull-Up Resistors\u003c\/strong\u003e —\/RESET, SDA, SCL, A0–A2 pins already include 10K pull-ups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1428\" data-end=\"1450\"\u003e\u003cstrong data-start=\"1432\" data-end=\"1448\"\u003eApplications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1453\" data-end=\"1495\"\u003eProjects with multiple identical sensors\u003c\/li\u003e\n\u003cli data-start=\"1498\" data-end=\"1521\"\u003eRobotics \u0026amp; automation\u003c\/li\u003e\n\u003cli data-start=\"1524\" data-end=\"1556\"\u003eMulti-channel data acquisition\u003c\/li\u003e\n\u003cli data-start=\"1559\" data-end=\"1572\"\u003eIoT devices\u003c\/li\u003e\n\u003cli data-start=\"1575\" data-end=\"1609\"\u003ePrototyping and development boards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1611\" data-end=\"1614\"\u003e\n\u003ch4 data-start=\"1616\" data-end=\"1650\"\u003e\u003cstrong data-start=\"1619\" data-end=\"1648\"\u003eProduct Specifications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1653\" data-end=\"1676\"\u003e\n\u003cstrong data-start=\"1653\" data-end=\"1665\"\u003eChipset:\u003c\/strong\u003e TCA9548A\u003c\/li\u003e\n\u003cli data-start=\"1679\" data-end=\"1705\"\u003e\n\u003cstrong data-start=\"1679\" data-end=\"1693\"\u003eInterface:\u003c\/strong\u003e I2C \/ IIC\u003c\/li\u003e\n\u003cli data-start=\"1708\" data-end=\"1738\"\u003e\n\u003cstrong data-start=\"1708\" data-end=\"1726\"\u003eAddress Range:\u003c\/strong\u003e 0x70–0x77\u003c\/li\u003e\n\u003cli data-start=\"1741\" data-end=\"1776\"\u003e\n\u003cstrong data-start=\"1741\" data-end=\"1763\"\u003eOperating Voltage:\u003c\/strong\u003e 1.65V–5.5V\u003c\/li\u003e\n\u003cli data-start=\"1779\" data-end=\"1804\"\u003e\n\u003cstrong data-start=\"1779\" data-end=\"1793\"\u003eI2C Clock:\u003c\/strong\u003e 0–400kHz\u003c\/li\u003e\n\u003cli data-start=\"1807\" data-end=\"1850\"\u003e\n\u003cstrong data-start=\"1807\" data-end=\"1833\"\u003eOperating Temperature:\u003c\/strong\u003e −40°C to +85°C\u003c\/li\u003e\n\u003cli data-start=\"1853\" data-end=\"1886\"\u003e\n\u003cstrong data-start=\"1853\" data-end=\"1868\"\u003eBoard Size:\u003c\/strong\u003e 31.5mm × 21.4mm\u003c\/li\u003e\n\u003cli data-start=\"1889\" data-end=\"1917\"\u003e\n\u003cstrong data-start=\"1889\" data-end=\"1908\"\u003eMounting Holes:\u003c\/strong\u003e 2 × M3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1919\" data-end=\"1922\"\u003e\n\u003ch4 data-start=\"1924\" data-end=\"1952\"\u003e\u003cstrong data-start=\"1927\" data-end=\"1950\"\u003ePackage Includes\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-start=\"1955\" data-end=\"1998\"\u003e1 × TCA9548A I2C Multiplexer Breakout Board\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":42777376129175,"sku":"21PS001789","price":83.0,"currency_code":"TWD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/tca9548a-i2c-8-channel-multiplexer-module-pins.jpg?v=1777626719","url":"https:\/\/scccltd.com\/en-tw\/products\/tca9548a-1-to-8-i2c-8-way-module-arduino","provider":"Sun Cheong Computer Company Limited","version":"1.0","type":"link"}