一种新型智能功率模块(IPM)

摘要

介绍一种新型智能功率模块的功能、工艺及应用.该功率模块将多块IGBT芯片与其栅极驱动电路、短路保护、过流(OC)保护、过温(OT)保护、欠压(UV)锁定电路等集成封装于一体,具有供电简单、开关速度高、死区时间小、驱动效率高的特点.在技术方面,对IGBT芯片、续流二极管芯片(FWD)、控制驱动电路及封装结构等方面采取了多种优化处理措施,从而使其具有很高的性能价格比.%The function, technology and application of a new intelligent power module (IPM) are introduced.The new IPM contains IGBT, grid gate drive chip, overcurrent protected circuit, overtemperature protected circuit, and undervoltage lock-in circuit.The module has simple power supply, high switching speed, small deadtime and high driving efficiency.Several optimized measures on IGBT chip, FWD, driving circuit and encapsulation are used.It has high cost-performance ratio.