Drive control circuit and method for optimizing switching characteristics of power semiconductor device
A technology for driving control circuits and power semiconductors, applied in electronic switches, program control, general control systems, etc., can solve problems such as high switching speed, voltage and current shock, waveform oscillation, etc., to reduce voltage and current spikes, protect safety, reduce Effect of Oscillation Time
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Embodiment 1
[0027] An embodiment of the present invention provides a drive control circuit that optimizes the switching characteristics of a power semiconductor device, such as figure 1 shown, including:
[0028] The micro-processing module 1 is used for generating driving signals. In the embodiment of the present invention, the micro-processing module 1 generates the drive signal through the MCU micro-control unit, wherein the MCU micro-control unit properly reduces the frequency and specifications of the central processing unit, and uses memory (memory), counter (Timer), Peripheral interfaces such as USB, A / D conversion, UART, PLC, DMA, and even LCD drive circuits are integrated on a single chip to form a chip-level computer, which can be used for different combination controls for different applications. It should be noted that, in the embodiment of the present invention, only the MCU micro-control unit is used as an example for illustration. In practical applications, other micro-con...
Embodiment 2
[0033] An embodiment of the present invention provides a driving control method for optimizing the switching characteristics of a power semiconductor device, such as figure 2 As shown, the drive control method for optimizing the switching characteristics of power semiconductor devices includes:
[0034] Step S1: Obtain a driving signal.
[0035] In the embodiment of the present invention, the driving signal can be generated by the MCU micro-control unit to control the voltage classification, reduce the instantaneous voltage and current amplitude and the noise transmitted to the output and input terminals, thereby reducing electromagnetic interference, wherein the classification driving voltage includes: opening It should be noted that in the embodiment of the present invention, only the MCU micro-control unit is used as an example for illustration. In practical applications, other microcontrollers can also be used to generate the drive signal. The present invention It is not...
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