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reference designEPC2366 | Demoboard EPC91121

EPC EPC2366 | Demoboard EPC91121

EPC91121 – 50 ARMS 3-Phase BLDC Motor Drive Inverter Evaluation Board

Overview

TopologyMotor Drive
Input voltage18-30 V
Switching frequency20-150 kHz
IC revision1.1

Description

The EPC91121 evaluation board is a 3-phase BLDC motor drive inverter board featuring the EPC2366 eGaN FET 0.84 mΩ typical RDS(on) 40 V maximum device voltage intended for batteries up to 30 V. The EPC91121 can deliver up to 70 Apk (50 ARMS) maximum output current. The board supports PWM switching frequencies up to 150 kHz in motor drive applications.The EPC91121 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 EPC91121 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.

Features

  • 3-phase inverter based on EPC2366 GaN FET with wide input DC voltage ranging from 18 V to 30 V
  • Dimensions: L x W = 79 mm x 80 mm (including connector)
  • Low distortion switching that keeps motor audio emission low and reduces torque ripple
  • dv/dt optimized for motor drives less than 10 V/ns
  • Current sense, voltage sense, temperature monitoring circuit
  • Input supply under voltage lockout
  • Shaft encoder/Hall sensors interface connector for motor drive application with two voltage levels selection option

Typical applications

  • BLDC motor drives for Handheld power tools, Humanoid Robot Joints, Drones

More information

Parts approved by EPC

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SamplesAvailability & Sample
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885012207085
SPECWCAP-CSGP MLCCs 50 V(DC), 680 pF, ±10%
Simu­lation
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
Capacitance680 pF
Capacitance±10% 
Rated Voltage50 V (DC)
Size0805 
Operating Temperature -55 °C up to +125 °C
Dissipation Factor2.5 %
Insulation Resistance10 GΩ
Ceramic TypeX7R Class II 
Length2 mm
Width1.25 mm
Pad Dimension0.5 mm
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Packaging Unit4000 
Height0.8 mm
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Packaging7" Tape & Reel 
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7447785133
SPECWE-PD SMT Power Inductor, –, –
Simu­lation
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Downloads9 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-PD SMT Power Inductor
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Size6033 
Operating Temperature -40 °C up to +125 °C
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Length5.9 mm
Width6.2 mm
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Inductance33 µH
Performance Rated Current1.05 A
Saturation Current0.9 A
DC Resistance400 mΩ
Self Resonant Frequency17 MHz
VersionRobust 
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Packaging Unit1000 
Height3.3 mm
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7466004
SPECWP-SMBU REDCUBE SMT with internal through-hole thread, –, –
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Downloads6 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWP-SMBU REDCUBE SMT with internal through-hole thread
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Operating Temperature -55 °C up to +150 °C
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Height5 mm
Outer Diameter7 mm
Rated Current50 A
Inner ThreadM4 
Thread Length6 mm
PackagingBulk 
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9774010243R
SPECWA-SMSI SMT Steel Spacer with internal Thread M2, –, –
Simu­lation–
Availability
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Downloads7 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWA-SMSI SMT Steel Spacer with internal Thread M2
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Operating Temperature -55 °C up to +150 °C
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Length1 mm
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Inner Diameter2.8 mm
Packaging Unit1500 
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Outer Diameter4.35 mm
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Inner ThreadM2 
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PackagingTape and Reel 
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