Infineon公司的CIPOS™ Maxi IM818是集成了各种电源和控制元件的系列产品,能增加可靠性,优化PCB尺寸和系统成本.设计用于控制可变速度的三相AC马达和永磁马达应用如低功率马达驱动(GPI,伺服驱动),泵,风扇驱动和HVAC(加热,通风和空调)的有源滤波器.器件具有良好热性能,电绝缘和EMI保存控制以及过载保护,特别适合用于功率应用.三相逆变器具有1200V TRENCHSTOP™ IGBT4和发射极控制二极管以及优化六路SOI栅极驱动器,因此具有极好电性能.器件具有过流关关断,内置了用于温度监测的NTC温度传感器.所有通路都有欠压锁住功能,防止交叉导通,保护时所有6个开关关断,可编故障清除定时和使能输入,RoHS兼容.主要用在风扇驱动和HVAC有源滤波器,泵和低功率马达驱动(GPI,伺服驱动).本文介绍了CIPOS™ Maxi IM818主要特性,框图,典型应用电路图以及评估板EVAL-M1-IM818-A主要特性和指标,框图,电路图,材料清单和PCB设计图.
The CIPOS™ Maxi IM818 product group offers the chance for integrating various power and control components to increase reliability, optimize PCB size and system costs. It is designed to control three phase AC motors and permanent magnet motors in variable speed drives applications such as low power motor drives (GPI, Servo drives), pumps, fan drives and active filter for HVAC(Heating, Ventilation, and Air Conditioning). The product concept is specially adapted to power applications, which need good thermal performance and electrical isolation as well as EMI save control and overload protection.
Three phase inverter with 1200V TRENCHSTOP™ IGBTs and Emitter Controlled diodes are combined with an optimized 6-channel SOI gate driver for excellent electrical performance.
CIPOS™ Maxi IM818主要特性:
Fully isolated Dual In-Line molded module
1200V TRENCHSTOP™ IGBT4
Rugged 1200V SOI gate driver technology with stabilityagainst transient and negative voltage
Allowable negative VS potential up to-11 V for signal transmission at VBS = 15 V
Integrated bootstrap functionality
Over current shutdown
Built-in NTC thermistor for temperature monitor
Under-voltage lockout at all channels
Low side emitter pins accessible for all phase current monitoring (open emitter)
All of 6 switches turn off during protection
Programmable fault clear timing and enable input
Lead-free terminal plating; RoHS compliant
CIPOS™ Maxi IM818潜在应用:
Fan drives and active filter for HVAC, pumps, and low power motor drives (GPI, Servo Drives)
图1. CIPOS™ Maxi IM818内部框图
图2. CIPOS™ Maxi IM818典型应用电路图
The evaluation board is based on the IM818-MCC, 3 phase IPM. In combination with control-boards equipped with the M1 20pin interface connector, like EVAL-M1-101T EVAL-M1-IM818-A User Manual iMOTION™ Modular Application Design Kit EVAL-M1-IM818-A is a complete evaluation board including a 3-phase CIPOS™ Maxi Intelligent Power Module(IPM) for motor drive application. In combination with control-boards equipped with the M1 20pin interfaceconnector, like EVAL-M1-101T or EVAL-M1-099M, it features and demonstrates Infineon’s CIPOS™ Maxi IPMtechnology for motor drive.
The evaluation board EVAL-M1-IM818-A was developed to support customers during their first stepsdesigning applications with CIPOS™ Maxi IPM.
CIPOS™ Maxi IPM in this board is IM818-MCC which has three phase inverter with 1200V TRENCHSTOP™IGBTs and Emitter Controlled diodes are combined with an optimized 6-channel SOI gate driver. It isOptimized to industrial applications like Ventilation and Air Conditioning.
The EVAL-M1-IM818-A evaluation board is a part of the iMOTION™ Modular Application Design Kit for drives(iMOTION™ MADK).
The MADK platform is intended to use various power stages with different control boards. These boards caneasily be interfaced through the iMOTION™ MADK M1 interface connector which is 20 pin connector.
This evaluation board is designed to give easy-to-use power stage based on the Infineon ’ s CIPOS™ MaxiInteligent Power Module (IPM). The board is equipped with all assembly circuit for sensorless field orientedcontrol (FOC). It provides a single-phase AC-connector, rectifier and 3-phase output for connecting themotor. The power stage also contains emitter (leg) shunts for current sensing and a voltage divider for DClink voltage measurement.
The EVAL-M1-IM818-A evaluation board is available through regular Infineon distribution partners as well ason Infineon’s website. The features of this board are described in the design feature chapter of thisdocument, whereas the remaining paragraphs provide information to enable the customers to copy, modifyand qualify the design for production according to their own specific requirements.
Environmental conditions were considered in the design of the EVAL-M1-IM818-A. The design was tested asdescribed in this document but not qualified regarding safety requirements or manufacturing and operationover the whole operating temperature range or lifetime. The boards provided by Infineon are subject tofunctional testing only.
Evaluation boards are not subject to the same procedures as regular products regarding Returned MaterialAnalysis (RMA), Process Change Notification (PCN) and Product Discontinuation (PD). Evaluation boards areintended to be used under laboratory conditions and by trained specialists only.
The block diagram of the EVAL-M1-IM818-A is depicted in Figure 1. This evaluation board includes a DC EMIfilter and soft power up circuit, 20-pin iMOTION™ MADK-M1 interface connector, auxiliary power supply toprovide 15 V and 3.3 V, and the CIPOS™ Maxi IPM IM818-MCC.
CIPOS™ Maxi IPM in this board is IM818-MCC which has 1200 V of voltage and 10A of current rating. It is Optimized6-channel SOI gate driver for excellent electrical performance. It is designed to control 3 phase AC motors andpermanent magnet motors in variable speed drives applications such as low power motor drives.
EVAL-M1-IM818-A is an evaluation board for motor drive applications based on a 3-phase IPM. Combinedwith one of the available MADK control board options, it demonstrates Infineon’s IPM technology for motordrives. The kit demonstrates Infineon’s IPM technology for motor drives.
Main features of CIPOS™ Maxi IPM IM818-MCC are:
• 1200 V TRENCHSTOP™ IGBT4
• Maximum blocking voltage VCES = 1200 V
• Maximum output current at 25 °C case temperature IC = 16 A
• Rugged 1200 V SOI gate driver technology with stability against transient and negative voltage
• Allowable negative VS potential up to -11 V for signal transmission at VBS = 15 V
• Integrated bootstrap functionality
• Overcurrent shutdown
• Built-in NTC thermistor for temperature monitoring
• Under-voltage lockout at all channels
• Low side emitter pins accessible
• For all phase current monitoring (open emitter)
• Cross-conduction prevention
• All of 6 switches turn off during protection
• Programmable fault clear timing and enable input
• Lead-free terminal plating; RoHS compliant
The evaluation board characteristics are:
• Nominal input voltage 380 VAC
• Default 1.5 kW motor power output
• On board EMI filter
• Current sensing for each leg configured by default
• Sensing of DC-link voltage
• Measurement test-points compatible to standard oscilloscope probes
• PCB size is 197 mm x 140 mm and has two layers with 35 μm copper each
• RoHS compliant
图7.采用评估板EVAL-M1-IM818-A的CIPOS Maxi IPM的3相逆变器部分电路图