A New Approach to Design a More Efficient Vacuum Cleaner Motor Drive Inverter Using EPC9176 Evaluation Boards
Applying new design approaches to popular household appliances allows all users to contribute to reducing energy usage in everyday activities. EPC just released a new demo board, the EPC9176, a three-phase BLDC motor drive inverter targeted for more efficient, high-performance vacuum cleaner motors.
The EPC9176 uses six of the QFN-packaged GaN ICs, the EPC23102, giving the designers a variety of GaN advantages, such as zero reverse recovery, high-frequency operation, smaller footprint, and lower switching losses, to optimize the performance of the circuit. Thanks to the high power density and the high electrical conductivity of GaN, the EPC9176 board delivers up to 18 ARMS on each leg and supports PWM switching frequencies up to 250kHz under natural convection passive heatsink and by keeping the temperature rise below 50℃. Increasing performance of the motor-drive system in terms of quality of the current output waveforms, lesser torque oscillations, and total system efficiency are achieved.
The inverter board includes all the functional circuits required to support a complete inverter for vacuum cleaner motor drives as described in the following:
Three-phase inverter based on six EPC23102 eGaN ICs
DC link capacitors
Regulated auxiliary power supplies
Voltage, current, and temperature sensors with conditioning circuits
Protection functions
Pictures of the inverter board are displayed in Figure 1.
Figure 1: Photo overview of the EPC9176 board highlighting the main sections
EPC9176 can be used for either sensorless motor control or sensored motor control.
Demo boards such as the EPC9176 offer engineers a platform to jump-start their design with a proven and reliable reference design, allowing them to focus on differentiating features and get to market quickly.
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本文由Vicky转载自EPC News,原文标题为:A New Approach to Design a More Efficient Vacuum Cleaner Motor Drive Inverter Using EPC9176 Evaluation Boards,本站所有转载文章系出于传递更多信息之目的,且明确注明来源,不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。
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目录- eGaN FETs and ICs eGaN® Integrated Circuits Half-Bridge Development Boards DrGaN DC-DC Conversion Lidar/Motor Drive AC/DC Conversion
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EPC eGaN®FET/晶体管选型表
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产品型号
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品类
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Configuration
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VDSmax(V)
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VGSmax(V)
|
Max RDS(on) (mΩ)
@ 5 VGS
|
QG typ(nC)
|
QGS typ (nC)
|
QGD typ (nC)
|
QOSS typ (nC)
|
QRR(nC)
|
CISS (pF)
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COSS (pF)
|
CRSS (pF)
|
ID(A)
|
Pulsed ID (A)
|
Max TJ (°C)
|
Package(mm)
|
Launch Date
|
EPC2040
|
Enhancement Mode Power Transistor
|
Single
|
15
|
6
|
30
|
0.745
|
0.23
|
0.14
|
0.42
|
0
|
86
|
67
|
20
|
3.4
|
28
|
150
|
BGA 0.85 x 1.2
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Apr, 2017
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选型表 - EPC 立即选型
用于DC-DC转换的镓氮®FET和IC应用简介
描述- 本资料介绍了eGaN® FETs和ICs在DC-DC转换中的应用,重点强调了其高效能、高功率密度和小型化的特点。资料中详细展示了不同型号的产品及其在48V至12V转换中的应用,包括高效能计算和电信应用,以及汽车电子领域。此外,还提供了相关产品的详细规格和开发板信息,以帮助工程师进行设计和评估。
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品类
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Description
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VIN(V)
|
VOUT(V)
|
IOUT (A)
|
Featured Product
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EPC9163
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评估板
|
Synchronous, Buck or Boost, digital controller
|
Buck: 20 – 60 V
Boost: 11.3 – 16 V
|
Buck: 5 - 16 V
Boost: 20-50 V
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140 A (Buck)
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EPC2218
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选型表 - EPC 立即选型
氮化镓集成电路简化仿人机器人电机关节逆变器设计
描述- 本文介绍了基于氮化镓(GaN)技术的逆变器设计,特别是在人形机器人电机关节逆变器中的应用。文章强调了GaN技术在提高开关频率、降低无源元件数量、减少开关损耗和提高功率密度方面的优势。EPC ePower™ Stage ICs技术简化了逆变器设计,并介绍了EPC23102/3/4系列GaN集成电路及其在逆变器性能中的应用。文章还讨论了EPC提供的参考设计板,这些设计板展示了GaN技术在电机驱动逆变器设计中的简化与空间减少。实验结果表明,GaN技术的应用提高了系统效率,并实现了更紧凑的逆变器设计。
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