Chinese document "Automotive Cooling Fan Reference Design User Guide"
Automotive Cooling Fans
Reference Designs
User Guides
Introduction
Automotive Cooling Fan Reference Design is a low-cost development and evaluation platform designed to drive a three-phase permanent magnet synchronous or brushless DC automotive cooling fan motor that can be networked via LIN. The design is based on the Microchip dsPIC33CDVL64MC106 in a motor control system-in-package (SiP) . The SiP includes the dsPIC33CK64MC105 DSC, the MCP8021 three-phase MOSFET gate driver with LDO, and the ATA663211 LIN transceiver.
main content
characteristic
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Three-phase motor control power stage
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DC bus current feedback for overcurrent protection and implementation of single current sense resistor current reconstruction algorithm
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DC bus voltage feedback for overvoltage protection
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Phase voltage feedback for sensorless back-EMF control or non-zero speed starting
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ICSP™ connector for connecting to Microchip programmer/debugger
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UART communication connector
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LIN interface (LIN transceiver is part of the dsPIC33CDVL64MC106)
On-board interface description
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On-board connector
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Test Points
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dsPIC® DSC Pin Functions
Schematics and Layouts
Electrical Specifications
Bill of Materials
Test Results
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