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Infineon BLDC fan motor drive Title

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Infineon BLDC Fan Motor Drive

Infineon BLDC fan motor drive Main Content

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BLDC fan motor drive - low cost FOC sensorless solution

A growing number of applications rely on a brushless DC (BLDC) motor. Applications can be found in medical equipment, home appliances, building controls, industrial automation etc. Comparing with other motors, the BLDC motor shows advantages as higher efficiency, smaller motor size, lighter weight, longer lifetime, no maintenance and no sparking.

Discover Infineon’s high quality components and plug & play solution for BLDC fan motor drives. 

DEMO 100W BLDC - Low cost FOC sensorless demo board with CoolMOS™ CEInfineon 5X2A9084

The 100W BLDC fan motor drive demo board comes with 220VAC input and a 100W max. input power in a 3-phase half bridge topology. Featuring the CoolMOS™ CE IPD60R650CE (600V, 650mΩ) in DPAK package as the main power switch, IR2301 as gate driver, and the microcontroller XMC1302 (ARM® Cortex®-M0). 
The board does not only offer a sync rec algorithm to reduce reverse current hard communication stress and sensorless field orientated BLDC control (FOC), but also a minimum BoM reduction of 10% compared to IPM or IGBT. The test results show that the design is stable, and that the CoolMOS™ CE still has enough voltage and current margins.

BLDC block diagram

Infineon BLDC block diagram

Key features

  • Low BoM cost contributed by CoolMOS™ CE and XMC™ algorithm
  • Near to productive solution
  • Sensorless field orientated control (FOC)

Key benefits

  • High efficiency
  • Cost effective
  • Simplified design
  • Accelerated time-to-market


Infineon‘s offering
CoolMOS™ CE – high voltage MOSFET IPD60R650CE
XMC™ - microcontroller XMC1302-T038X0016 AB 
Half bridge driver IC IRS2103
Infineon BLDC Fan Motor Drivers on board