International Rectifier AUIR3320S intelligent power switch
International Rectifier has introduced the AUIR3320S high-side intelligent power switch (IPS) optimised for automotive auxiliary positive temperature coefficient (PTC) electric heaters.
Offering low on-state resistance (Rds(on)) of 4 mΩ (max) at 25°C, the AUIR3320S delivers higher current with a smaller heat sink to reduce system footprint. The 40 V device also features current sensing to allow precise monitoring of load current in order to provide additional data to the microcontroller for diagnostic applications.
Additionally, the AUIR3320S offers overcurrent and overtemperature protection, which results in more reliable operation even during short circuit protection, and smooth turn-on and turn-off waveform to limit EMI.
IR’s automotive-grade IPS products are subject to dynamic and static part average testing combined with 100% automated wafer-level visual inspection as part of IR’s automotive quality initiative targeting zero defects. The devices are qualified according to AEC-Q100 standards and feature an environmentally friendly, lead-free and RoHS-compliant bill of materials.
Phone: 02 9585 5511
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