PERE 1.6 Gate drive circuit Basic function of gate drive circuit is to generate gate signals to turn-on or turn-off power semiconductor device according to the commanding signals from the control circuit Other functions of gate drive circuit: 4 Reduce switching time(including turn-on time and turn- off time 4 Reduce switching loss (including turn-on loss and turn off loss )and improve efficiency 4 Improve protection and safety of the converter Gate drive circuits provided by power semiconductor manufacturers and Integrated gate drive chips are more and more widely used 3Power Electron cs i 3 1.6 Gate drive circuit Gate drive circuit Basic function of gate drive circuit: Basic function of gate drive circuit: is to generate gate signals to turn is to generate gate signals to turn -on or turn on or turn -off power off power semiconductor device according to the commanding semiconductor device according to the commanding signals from the control circuit. signals from the control circuit. Other functions of gate drive circuit: Other functions of gate drive circuit: Reduce switching time (including turn Reduce switching time (including turn -on time and turn on time and turn - off time) off time) Reduce switching loss (including turn Reduce switching loss (including turn -on loss and turn on loss and turn - off loss) and improve efficiency off loss) and improve efficiency Improve protection and safety of the converter Improve protection and safety of the converter Gate drive circuits provided by power semiconductor Gate drive circuits provided by power semiconductor manufacturers and Integrated gate drive chips are manufacturers and Integrated gate drive chips are more and more widely used. more and more widely used