利用MOS管、半桥驱动芯片LM27222、栅极驱动变压器等器件,设计了变极性矩形波发生电路。
A rectangular wave generating circuit has been designed with MOSFETs, half bridge driver chip LM27222 and gate drive transformer.
该电源采用了IGBT模块构成的半桥逆变电路,它具有IGBT驱动、过压、过流、过热保护及故障锁定功能。
The power supply has the functions of IGBT driver, over-voltage protection, over-current protection, over-heat protection and fault locking.
对开关电源电路的常见故障进行了分析,介绍了一种半桥驱动型开关电源电路的故障检修思路和开关电源电路静态检修法。
The paper analyses the common faults of switching supply circuit and introduces a method for fault overhaul of half-bridge switching supply circuit.
IR2167是集功率因数校正器(PFC)、镇流器和半桥驱动器为一体的新型电子镇流器驱动电路。
The IR2166/IR2167 are such IC that PFC, ballast control and half-bridge driver are made in one IC.
通过控制逆变器输入平均电流调节负载功率,简化了电路设计;通过单片机发出高频加低频调制的半桥驱动信号,消除调光过程中的电弧不稳定现象。
A easier and low-cost power control method is proposed in this paper, based on the regulation of the average input current of the inverter.
通过控制逆变器输入平均电流调节负载功率,简化了电路设计;通过单片机发出高频加低频调制的半桥驱动信号,消除调光过程中的电弧不稳定现象。
A easier and low-cost power control method is proposed in this paper, based on the regulation of the average input current of the inverter.
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