MOSFET pair reduces DC motor losses

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By eeNews Europe

The enhancement mode MOSFET pair is rated with a Vds of 40 V, making them suitable for 24 V DC motor systems controlling cooling and extractor fans, pumps, compressors and printer heads.  The complementary MOSFETs’ low Rds(on) performance of 25 mΩ at a Vgs of 10 V means conduction losses can be limited with a consequent reduction in power dissipation and increase in overall product efficiency.

The DMC4040SSD has a continuous current rating of 6 A and a pulsed current rating of 29 A, enabling motor torque currents of up to five times the continuous current to be supported during motor start up or stalled motor conditions.  Packaged in the industry standard SO-8 package, the DMC4040SSD package will also bring PCB space saving advantages over single MOSFET package alternatives.

To create a complete high efficiency BLDC motor control solution, the DMC4040SSD MOSFET package can also be deployed in conjunction with Diodes’ own range of ZXBM101x single-phase pre-driver motor controllers and companion Hall sensors.

The DMC4040SSD complementary dual MOSFET package is priced at $0.25 each in 10k quantities.  

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