BLDC Motors

MOSFETs and NTC thermistors from Littelfuse help optimize the performance of brushless dc (BLDC) motors in cordless power tools. A block diagram shows how our solid state switches and temperature sensors fit into BLDC motor circuitry. We also provide high-voltage fuses for overcurrent protection, TVS diode arrays for overvoltage protection, and reed switches to engage and disconnect components.

Block Diagram

Technology:
Product Series:501
Features:Third party compliance UL/IEC, low internal resistance, shock safe, vibration resistant
Benefits:Reduces customer qualification time by complying with third party safety standards such as UL/IEC

Technology:
Product Series:
Features:High reliability, small form factor, fast thermal response
Benefits:Provides accurate temperature (component/ambient) for enabling safe device operation

Technology:
Product Series:Gen2
Features:Very low Rds(on), High current capability
Benefits:Improves system efficiency and enables compact design

Technology:
Product Series:
Features:High reliability, small form factor, fast thermal response
Benefits:Provides accurate temperature (component/ambient) for enabling safe device operation