It is one of trial projects of defensively science laboratory . high voltage soi lateral mos devices studied in this paper are early application work for soi spic 本课题进行高压soi横向mos器件的研究,是soispic研究的先期应用性工作,将为今后进行soispic的研究提供基础。
So the research on spic is moving on steadily . second , the history of ldmos is presented , and several kinds of ldmos is displayed and discussed . then opt - vld , which was invented by pro 第三章介绍spic的三种常见隔离技术和本次工作中的创新型隔离技术,并给出了模拟结果进行分析。
Compared with other ics , the spic integrates a bootstrap diode in it by using the patent of the professor xingbi chen . this can bring us more stability and less cost 与同类芯片相比,该芯片利用陈星弼教授的专利,将一个用于自举的二极管进行了集成,从而减少了成本,增加了电子镇流器的可靠性。
The work shows that psm converter could improve its efficiency and suppress emi . besides , it processes many advantages , such as good response speed , strong interference rejection , easy to realize , and so on 研究表明psm能有效改善spic开关变换系统的效率和emi特性,且具响应速度快,抗干扰能力强,电路易于实现等特点。
First , the state - of - the - art of spic is presented 。 smart power ic ( spic ) , which combines the power devices into low - voltage control circuits , drive circuits as well as protection circuits in one chip 智能功率集成电路spic ( smartpoweric )是一种将功率器件与低压逻辑控制电路集成及相关的驱动保护电路集成在一块芯片上的智能化控制芯片。
The current spic has the functions of under - voltage and over - current checking , which can protect the system by automatically stop working when the system is in trouble until the trouble is eliminated 当前的智能功率集成电路一般都具有欠压检测和过流检测等功能,在系统出现异常时电路会自动停止工作直到故障排除后才恢复正常工作,从而保护系统。
Up to now , the normal control mode for smart power integrated circuit ( spic ) has pwm and pfm . pwm bases on cfvw ( constant frequency variable width ) control pulse , whereas , pfm bases on cwvf ( constant width variable frequency ) control pulse 迄今,智能功率集成电路( spic )习用控制模式为恒频变宽( cfvw )的脉宽调制模式( pwm )和恒宽变频( cwvf )的脉频调制模式( pfm ) 。
It has many advantages including excellent device isolation function , less parasitic effects among different parts , high speed , good radiation toleration , and high integration density , etc . consequently , high voltage soi spic has become a new field of power integrated circuit research 它具有器件隔离性能好、器件间的寄生效应小、电路工作速度高、抗辐射能力强和集成度高等优点。因此基于soi的高压智能功率集成电路已经成为功率集成电路研究的新领域。
In this paper , a three phases high - voltage power mos gate drive integrated circuit has been researched and designed successfully . it is a typical spic , which could be widely used in high power motor control and switching power supply applications . the design goal of the circuit are v0ffset ( max ) is 500v , ia ( m ~ ) is 1 a , the highest frequency of operation ( f ( ~ x ) ) is 100khz 本文研制成功了一种可广泛用于大功率电机控制、开关电源等应用中的spic电路?三相高压功率mos栅驱动集成电路,其设计指标要求为:最高偏置电压( voffset ( max ) )为500v 、最大输出电流( i _ o ( max ) )为1a 、最高工作频率为100khz 。
In this thesis , an h - bridge power drive integrated circuit has been analyzed , designed and taped - out . it is a typical spic , which could be widely used in stepper motor drive , position and velocity servomechanism , industrial automaton , various numerical controlled equipments , printers and plotters control and other applications 本文分析、设计了一种广泛应用于直流电机和步进马达驱动、位置与速度伺服系统、工业机器人、各种数控设备和打印机和绘图仪等中的spic电路? ?单片h桥功率驱动集成电路,并对此电路进行了流片。