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Overview
| Topology | Motor Drive |
| Input voltage | 18-30 V |
| IC revision | 1.1 |
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 VDimensions: L x W = 79 mm x 80 mm (including connector)Low distortion switching that keeps motor audio emission low and reduces torque rippledv/dt optimized for motor drives less than 10 V/nsCurrent sense, voltage sense, temperature monitoring circuitInput supply under voltage lockoutShaft 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
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT(A) | RDC max.(mΩ) | fres(MHz) | Size | Version | L(mm) | Ø ID(mm) | Packaging | Qty. | W(mm) | κ(W/(m*K)) | Reinforced | Color | H(mm) | Ø OD(mm) | IR(A) | Ti | Tl(mm) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PD SMT Power Inductor, 33 µH, 1.05 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance33 µH | Performance Rated Current1.05 A | Saturation Current0.9 A | DC Resistance400 mΩ | Self Resonant Frequency17 MHz | Size6033 | VersionRobust | Length5.9 mm | – | – | Packaging Unit1000 | Width6.2 mm | – | – | – | Height3.3 mm | – | – | – | – | ||||
 | WP-SMBU REDCUBE SMT with internal through-hole thread, –, – | Simulation– | Downloads6 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWP-SMBU REDCUBE SMT with internal through-hole thread | – | – | – | – | – | – | – | – | – | PackagingBulk | – | – | – | – | – | Height5 mm | Outer Diameter7 mm | Rated Current50 A | Inner ThreadM4 | Thread Length6 mm | ||
 | WA-SMSI SMT Steel Spacer with internal Thread M2, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWA-SMSI SMT Steel Spacer with internal Thread M2 | – | – | – | – | – | – | – | Length1 mm | Inner Diameter2.8 mm | PackagingTape and Reel | Packaging Unit1500 | – | – | – | – | – | Outer Diameter4.35 mm | – | Inner ThreadM2 | – | |||
 | WE-TGF Thermal Gap Filler Pad, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TGF Thermal Gap Filler Pad | – | – | – | – | – | – | – | Length200 mm | – | – | – | Width400 mm | Thermal Conductivity6 W/(m*K) | ReinforcedNo | ColorGrey | Height0.5 mm | – | – | – | – |