Automotive, hot-swappable, robust-EMC bidirectional I2C isolator with bidirectional clock 16-SOIC -40 to 125
Texas Instruments
Texas Instruments - ISO1640BQDRQ1
$2.58 - $4.49
Texas Instruments - XISO1640BQDRQ1
$3.41
Texas Instruments - ISO1640QDWRQ1
$3.82 - $6.45