Low-voltage MOSFETs enable more efficient motor operation

May 15, 2025

The NextPower MOSFETs from Nexperia, featuring breakdown voltage ratings of 80 V or 100 V, produce low switching and conduction losses, and offer robust operation in electric motors.

The 80 V and 100 V NextPower MOSFETs from Nexperia provide the high-efficiency switching and excellent reliability required in brushless dc (BLDC) and other types of motor.

 

Members of the NextPower family such as the 100 V PSMN3R9-100YSF and 80 V PSMN3R5-80YSF MOSFETs feature substantially lower on-resistance than the previous generation of Nexperia MOSFETs, and are housed in a footprint-compatible LFPAK56E package. 

  • The PSMN3R9-100YSF has on-resistance of 4.3 mΩ, compared to 7 mΩ in the previous generation
  • The PSMN3R5-80YSF has on-resistance of 3.5 mΩ, compared to 8 mΩ

NextPower 80 V and 100 V MOSFETs also offer an improved body diode which features low maximum source-drain voltage of 1 V. Reverse-recovery charge is as low as 44 nC in the PSMN3R9-100YSF and 25 nC in the PSMN3R5-80YSF. Low reverse-recovery charge reduces spiking and EMI emissions, and contributes to improved switching efficiency in high-performance power converters and motor inverters.

 

The PSMN3R9-100YSF is featured in the inverter board of a complete three-phase BLDC motor design produced by Nexperia, the NEVB-MCTRL-100 BLDC.

Features

  • Avalanche rated and 100% tested
  • LFPAK56E compatible with other 5 mm x 6 mm packages
  • Qualified to 175°C
    • Complies with IPC9592 standard

Applications

  • Brushless dc motors
  • 48 V telecoms power supplies
  • Server power supplies
  • USB chargers and adapters
  • LED lighting
  • Uninterruptible power supplies
  • Solar inverters
  • Cordless power tools
  • Forklift trucks
EXTRA_Nexperia_80V

Evaluation Board

Part Number: NEVB-MCTRL-100 BLDC

The Nexperia NEVB-MCTRL-100 BLDC motor driver kit provides a full motor drive solution for 12 V to 48 V, three-phase brushless dc (BLDC) motors.

 

The kit features PCBs designed for the Nexperia NextPower MOSFET family housed in an LFPAK56 package, and the modular design allows for different motor controllers, gate drivers, MOSFETs and motors to be used. In addition, each board provides convenient test points for power, motor drive, and sensing signals to aid with development and testing with the Nexperia LFPAK56 MOSFET family.

 

The motor controller board is compatible with the Leonardo R3 and Nucleo development board form factors.

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