Demonstration Board EPC9145 Quick Start Guide:1 kW, 3-phase BLDC Motor Drive Inverter using the EPC2206 eGaN® FET
■The EPC9145 demonstration board is a 3-phase BLDC motor drive inverter board featuring the EPC2206 eGaN FET 2.2 mΩ maximum RDS(on), 80 V maximum device voltage, it can deliver up to 28 Apk (20 ARMS) maximum output current. The board can also be configured for multi-phase DC–DC conversion and the EPC2206 supports PWM switching frequencies up to 250kHz. The EPC9145 contains all the necessary critical functions circuits to support a complete motor drive inverter including gate drivers, regulated auxiliary power rails for housekeeping supplies, voltage, and temperature sense, accurate current sense, and protection functions. The various functional blocks are shown in figure 1. The EPC9145 mates with an assortment of compatible controllers, supported by various manufacturers leveraging existing resources for quick development purposes, that can quickly be configured as a motor drive inverter or DC–DC converter.
■A functional block diagram of the EPC9145 demonstration board is shown in figure 2 that details the phase current sense, phase and DC voltage sense, the half-bridge power stages, L-C filter, housekeeping power supply and controller interface connection.
●MAIN FEATURES:
■3-phase inverter based on EPC2206 eGaN FET with wide input voltage ranging from 12 VIN to 60 V
■Dimensions: L x W = 130 mm x 100 mm (including connector)
■Low distortion switching that keep motor audio emission low and reduces torque ripple
■dv/dt optimized for motor drives less than 10 V/ns with option to increase dv/dt for DC–DC applications
■All current sense with high accuracy and bandwidth (option to choose between in- line and leg shunt current sensors)
■All phases voltage sense
■Voltage sense for the DC supply to the drive
■Housekeeping power for the various circuits and external controller derived from the main power supply to the EPC9145
■Temperature monitoring circuit
■Protection features including: over-current and input supply under voltage lockout
■Shaft encoder/Hall sensors interface connector for motor drive application with two voltage levels selection options
■The board can also be configured to operate as a synchronous buck DC–DC converter
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Motor Drive Board 、 3-phase BLDC motor drive inverter board 、 eGaN® FET 、 demonstration board |
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[ Motor Drive Inverter ][ Multi-phase Synchronous Buck Converter ][ Full-Bridge Synchronous Buck Converter ] |
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2021/12/23 |
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Revision 1.2 |
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2.4 MB |
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