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ROHM Develops New Smart Switches Optimized for Zonal Controllers
Circuit Cellar
|November 2025
ROHM Semiconductor announced the release of six new high-side smart switches (IPDs: Intelligent Power Devices) featuring highly accurate current sensing and low ON resistances ranging from 9mΩ to 180mΩ.
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These devices are designed to protect loads and subsystems from abnormalities such as overcurrent, overvoltage, and overtemperature, ensuring reliable operation and safeguarding sensitive components in automotive lighting and body control (i.e., door locks and power windows). Comprehensive diagnostic functions including open load and reverse battery detection further enhance system safety and reliability.
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