Study and Implementation of 600-V High-Voltage Gate Driver IC With the Common-Mode Dual-Interlock Technique for GaN Devices

2021 ◽  
Vol 68 (2) ◽  
pp. 1506-1514 ◽  
Author(s):  
Jing Zhu ◽  
Siyuan Yu ◽  
Yangyang Lu ◽  
Weifeng Sun ◽  
Chuanyi Cheng ◽  
...  
Electronics ◽  
2020 ◽  
Vol 9 (10) ◽  
pp. 1729
Author(s):  
Kunhee Cho

An ultra-low quiescent current under-voltage lockout (UVLO) circuit for a high-voltage gate driver integrated circuit (HVIC) is described for application in portable devices. The UVLO circuit consumes the static current in the high-side circuitry and the resistive divider used to detect the supply-voltage was the major consumer of power in the circuit. Hence, a supply-voltage sensor based on a diode-connected metal–oxide–semiconductor field-effect transistor (MOSFET) with a voltage limiter design is proposed to ensure low power consumption. Unlike the conventional UVLO design, where a resistive divider is used, the proposed structure dissipates the negligible current at a low supply-voltage and significantly reduces the static current at the nominal and high supply-voltage. The high-side quiescent current using the proposed design and the conventional designs at various supply-voltage levels are analyzed. In the proposed structure, the size of the voltage sensor is considerably smaller when compared with those in conventional designs.


2019 ◽  
Vol 104 (1) ◽  
pp. 27-36
Author(s):  
Yangyang Lu ◽  
Jing Zhu ◽  
Kongsheng Hu ◽  
Siyuan Yu ◽  
Ding Yan ◽  
...  

2016 ◽  
Vol 2016 ◽  
pp. 1-8 ◽  
Author(s):  
Xiaoqiang Guo ◽  
Ran He ◽  
Mehdi Narimani

Solar photovoltaic (PV) power plant is an effective way to utilize the renewable energy sources. EMI is one of the major concerns in PV power plant. Typically, the multilevel inverters are used in high voltage PV power plant. However, the conventional multilevel inverters require more semiconductors, which complicate the circuit structure and control algorithm. In this paper, a novel five-level inverter is introduced for the high voltage PV power plant applications. The model of the inverter is analyzed. With the redundant switching states, a new modulation strategy is proposed to reduce the common-mode voltage and EMI. The proposed approach is able to eliminate the common-mode voltage; meanwhile it has the capability of balancing the capacitor voltages. The cosimulation tests with the Matlab/Simulink and S-function are carried out. The results verify the effectiveness of the proposed method.


2014 ◽  
Vol 35 (1) ◽  
pp. 108-110 ◽  
Author(s):  
Lulu Peng ◽  
Rongxiang Wu ◽  
Xiangming Fang ◽  
Yoshiaki Toyoda ◽  
Masashi Akahane ◽  
...  

Sign in / Sign up

Export Citation Format

Share Document