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Enhanced dynamic current sharing in parallel for high power BLDC

Enhanced current sharing, low ΔID, and reliable operation

In high-power applications, paralleling MOSFETs is common to achieve higher current capability, but variations in threshold voltage can lead to uneven current sharing and thermal stress. Nexperia’s ASFETs with enhanced dynamic current sharing are engineered to minimize ΔID, ensuring balanced load distribution, improved efficiency, and reliable operation without the need for VGS(th) matching.

ASFETs with enhanced dynamic current sharing are designed to meet the demands of high-power parallel MOSFET applications, ensuring balanced load distribution and reliable operation in BLDC and other demanding inductive systems:

  • No VGS(th) matching required – simplifies design and production.
  • Enhanced current sharing with low ΔID – ensures balanced load in parallel applications.
  • Low RDS(on) and reduced VGS(th) spread – improves efficiency and performance.
  • High current capability – 286 A continuous ID with avalanche rating and 100% tested for reliability.
  • Compact, robust package – 8x8 LFPAK88 rated to 175 °C for space-constrained, high-power applications.

Products

Type number Description Status Quick access
PSMN1R9-80SSJ N-channel 80 V, 1.9 mOhm ASFET with enhanced dynamic current sharing in LFPAK88 Production
PSMN2R3-100SSJ N-channel 100 V, 2.3 mOhm ASFET with enhanced dynamic current sharing in LFPAK88 Production
Visit our documentation center for all documentation

Application note (3)

File name Title Type Date
AN90059.pdf Power MOSFET gate driver fundamentals Application note 2025-09-01
AN90016.pdf Maximum continuous currents in NEXPERIA LFPAK power MOSFETs Application note 2025-09-01
AN90001.pdf Designing in MOSFETs for safe and reliable gate-drive operation Application note 2024-10-28

Marcom graphics (1)

File name Title Type Date
RS3210_nexperia_image_stock_battery_powered_forklift_2020-scr.jpg Nexperia image Battery powered forklift Marcom graphics 2023-06-08

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Cross reference