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Chainsaw System

Overview

Description

Chainsaw operation involves rapidly changing loads and requires running at very low or even zero speeds while delivering high torque. Control is primarily achieved through motor systems utilizing a sensorless BLDC algorithm. Field-Oriented Control (FOC) offers significant benefits, including cost reduction, enhanced reliability, and resilience in harsh environments. This fully validated chainsaw system, tested on actual chainsaws, empowers customers to address complex design challenges and accelerate their product development cycles, ensuring faster entry to the market.

System Benefits:

  • FOC control with Flux + HFI supports zero-speed startup, low speed, and high torque while providing low noise, smooth control, and high performance.
  • The inverter board can drive motors up to 54V/70A (peak).
  • A turnkey system with design files.

Comparison

Applications

Block Diagram

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4:3 ratioConnector Arrow.132Connector Arrow.1315V5V5VConnector ArrowSheet.1Sheet.2Sheet.3Sheet.4CN024-5CN024-5CN024-5Tri componentComponent block.745Component block.631Half-Bridge DriverHalf-Bridge DriverHalf-Bridge DriverPMICPMICPMICBuck 100VBuck 100VBuck100VTri component.17Component block.745Component block.631Op AmpOp AmpOp AmpConnector Line.94Connector Line.95Connector Line.96Motor-DCSheet.98Sheet.99MMSheet.100Relay SwitchComponent block.35Sheet.107Sheet.108Sheet.109Sheet.110InductorSheet.112Sheet.113Sheet.114Connected signals arrowConnector Arrow.127Connector Arrow.129Connector Arrow.130Connected signals arrow.134Connector Arrow.135Vertical Wire Bundle 333Sheet.138Vertical Wire Bundle.139 333Sheet.141Vertical Wire Bundle.142666Sheet.14424V24V24V12V12V12VVIN 54VVIN 54VVIN 54VBattery Li-ionSheet.150Sheet.151Li-IonLI-IONLI-IONConnector Line.153Connector Line.154Connector Arrow.155Connector Arrow.128Sheet.173MCUMCUMCUADCADCADCGPIOGPIOGPIOPWMPWMPWMSheet.176MOSFETMOSFETMOSFETFET n-channelFET n-channelSheet.23Sheet.24Sheet.25Sheet.26Sheet.27Sheet.28Sheet.29CircleFET n-channel.33FET n-channelSheet.35Sheet.36Sheet.37Sheet.38Sheet.39Sheet.40Sheet.41Circle.42FET n-channel.44FET n-channelSheet.46Sheet.47Sheet.48Sheet.49Sheet.50Sheet.51Sheet.52Circle.53FET n-channel.55FET n-channelSheet.57Sheet.58Sheet.59Sheet.60Sheet.61Sheet.62Sheet.63Circle.64FET n-channel.66FET n-channelSheet.68Sheet.69Sheet.70Sheet.71Sheet.72Sheet.73Sheet.74Circle.75FET n-channel.77FET n-channelSheet.79Sheet.80Sheet.81Sheet.82Sheet.83Sheet.84Sheet.85Circle.86Connector LineConnector Line.89Connector Line.90Resistor - FixedResistor - Fixed.92Resistor - Fixed.93
Exiting Interactive Block Diagram

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