LFPAK56D half-bridge MOSFETs

60% lower parasitic inductance and improved thermal performance

A series of half-bridge (high side & low side) MOSFETs constructed in the space-saving LFPAK56D package format. Occupying 30% lower PCB area compared to dual MOSFETs for 3 phase motor control topologies due to the removal of PCB tracks whilst permitting simple automated optical inspection (AOI) during production. The LFPAK56D half-bridge utilises existing high volume LFPAK56D assembly processes, with proven automotive reliability. The package format uses flexible leads to improve overall reliability, and an internal copper clip connection between the MOSFETs simplifies PCB designs and brings a plug and play style solution with exceptional current handling capability.

Features and Benefits

  • 60% lower parasitic inductance due to internal clip connection
  • 30% space saving on PCB compared to LFPAK56D dual
  • High performance ID max >60 A
  • Low thermal resistance
  • Flexible leads for BLR
  • Footprint compatible with LFPAK56D dual
  • External leads for easy AOI
  • Beyond AEC-Q101 for automotive products

Applications

  • 3-phase automotive power train applications
    • fuel, oil and water pumps
  • Motor control
  • DC/DC

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LFPAK56D half-bridge MOSFETs
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Products

Automotive qualified products (AEC-Q100/Q101)

Type number Description Status Quick access
BUK7V4R2-40H Dual N-channel 40 V, 4.2 mOhm standard level MOSFET in LFPAK56D (half-bridge configuration) Production
BUK9V13-40H Dual N-channel 40 V, 13 mOhm logic level MOSFET in LFPAK56D (half-bridge configuration) Production

MOSFETs

Type number Description Status Quick access
BUK7V4R2-40H Dual N-channel 40 V, 4.2 mOhm standard level MOSFET in LFPAK56D (half-bridge configuration) Production
BUK9V13-40H Dual N-channel 40 V, 13 mOhm logic level MOSFET in LFPAK56D (half-bridge configuration) Production

Documentation

File name Title Type Date
AN11261 RC Thermal Models Application note 2021-03-18
TN00008 Power MOSFET frequently asked questions and answers Technical note 2020-06-24
AN90003 LFPAK MOSFET thermal design guide Application note 2021-01-22
AN90011 Half-bridge MOSFET switching and its impact on EMC Application note 2020-04-28
AN10874_ZH LFPAK MOSFET thermal design guide, Chinese version Application note 2020-04-30
RS3403_LFPAK56halfbridge LFPAK56 half bridge Marcom graphics 2021-02-19

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Datasheets (2)

File name Title Type Date
BUK7V4R2-40H Dual N-channel 40 V, 4.2 mOhm standard level MOSFET in LFPAK56D (half-bridge configuration) Data sheet 2021-02-11
BUK9V13-40H Dual N-channel 40 V, 13 mOhm logic level MOSFET in LFPAK56D (half-bridge configuration) Data sheet 2021-02-11