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Brushless DC Motors

BLDC Motor IconWith higher efficiency and reliability than brushed motors, brushless DC motors (BLDC) are becoming more popular in home appliances and consumer electronics. As efficiency standards for these applications continue to strengthen, better power conversion technology is also required to minimizes total power losses and simplify design.

BridgeSwitch integrated half-bridge motor driver family by Power Integration features high and low-side advanced FREDFETs (Fast Recovery Diode Field Effect Transistors) with integrated lossless current sensing, resulting in efficiencies of over 98.5% in brushless DC motor drive applications up to 400 W. Superior efficiency and distributed thermal footprint architecture eliminate the need for a heatsink, reducing system cost and weight.

Reference Designs

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Data Sheet
Topology
Power Level
Description
Topology Integrated Half-Bridge
Power Level 400 W
Description

High-Voltage, Self-Powered, Half-bridge Motor Driver with Integrated Device Protection and System Monitoring

Topology PFC
Power Level 610 W
Description

PFC Controller with Integrated 600 V MOSFET and Diode Option Optimized for High PF and Efficiency Across Load Range

Topology Any
Power Level N/A
Description

Fast Silicon Diode with Balanced EMI and Switching Speed

  • VRRM     - 600 V
  • IF(AVG)   - 3 A - 20 A
  • QRR       - 21 nC - 51 nC
Topology Any
Power Level N/A
Description

Ultra-Fast Silicon Diode

  • VRRM     - 600 V, 625 V
  • IF(AVG)   - 3 A - 20 A
  • QRR       - 5.9 nC - 140 nC

Additional Documents