{
  "cells": [
    {
      "cell_type": "code",
      "source": [
        "import numpy as np"
      ],
      "outputs": [],
      "execution_count": 1,
      "metadata": {
        "collapsed": false,
        "outputHidden": false,
        "inputHidden": false
      }
    },
    {
      "cell_type": "code",
      "source": [
        "# gate resistor power dissipation\n",
        "V = 12 #V\n",
        "Ciss = 2600e-12 #F\n",
        "f = 50e3 #Hz\n",
        "\n",
        "P_avg = V**2 * Ciss * f\n",
        "P_avg"
      ],
      "outputs": [
        {
          "output_type": "execute_result",
          "execution_count": 58,
          "data": {
            "text/plain": [
              "0.01872"
            ]
          },
          "metadata": {}
        }
      ],
      "execution_count": 58,
      "metadata": {
        "collapsed": false,
        "outputHidden": false,
        "inputHidden": false
      }
    },
    {
      "cell_type": "code",
      "source": [
        "t_r = 56e-9 #s\n",
        "Q_g = 56e-9 #C\n",
        "I_peak = Q_g/t_r\n",
        "I_peak"
      ],
      "outputs": [
        {
          "output_type": "execute_result",
          "execution_count": 59,
          "data": {
            "text/plain": [
              "1.0"
            ]
          },
          "metadata": {}
        }
      ],
      "execution_count": 59,
      "metadata": {
        "collapsed": false,
        "outputHidden": false,
        "inputHidden": false
      }
    },
    {
      "cell_type": "code",
      "source": [
        "P_avg = V*Q_g*f\n",
        "P_avg"
      ],
      "outputs": [
        {
          "output_type": "execute_result",
          "execution_count": 60,
          "data": {
            "text/plain": [
              "0.0672"
            ]
          },
          "metadata": {}
        }
      ],
      "execution_count": 60,
      "metadata": {
        "collapsed": false,
        "outputHidden": false,
        "inputHidden": false
      }
    },
    {
      "cell_type": "code",
      "source": [
        "I_avg = Q_g*f\n",
        "I_avg"
      ],
      "outputs": [
        {
          "output_type": "execute_result",
          "execution_count": 61,
          "data": {
            "text/plain": [
              "0.0028"
            ]
          },
          "metadata": {}
        }
      ],
      "execution_count": 61,
      "metadata": {
        "collapsed": false,
        "outputHidden": false,
        "inputHidden": false
      }
    },
    {
      "cell_type": "code",
      "source": [
        "I_peak = Q_g/t_r\n",
        "I_peak"
      ],
      "outputs": [
        {
          "output_type": "execute_result",
          "execution_count": 11,
          "data": {
            "text/plain": [
              "1.0"
            ]
          },
          "metadata": {}
        }
      ],
      "execution_count": 11,
      "metadata": {
        "collapsed": false,
        "outputHidden": false,
        "inputHidden": false
      }
    },
    {
      "cell_type": "code",
      "source": [
        "V_th = 4\n",
        "V = 12\n",
        "Rgeq = 10\n",
        "# Vc = V*(1-np.exp(-t/Rgeq*Ciss))\n",
        "t_r = Rgeq*Ciss*-np.log(1-V_th/V)\n",
        "print('t_switch = ', t_r*1e9,'ns') #ns\n",
        "print('f_max = ', 1/t_r*1e-6,'MHz') #ns\n",
        "I_peak = Q_g/t_r\n",
        "print('I_peak = ',I_peak,'A')"
      ],
      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "t_switch =  10.5420928108 ns\n",
            "f_max =  94.857825476 MHz\n",
            "I_peak =  5.31203822666 A\n"
          ]
        }
      ],
      "execution_count": 65,
      "metadata": {
        "collapsed": false,
        "outputHidden": false,
        "inputHidden": false
      }
    },
    {
      "cell_type": "code",
      "source": [],
      "outputs": [],
      "execution_count": null,
      "metadata": {
        "collapsed": false,
        "outputHidden": false,
        "inputHidden": false
      }
    }
  ],
  "metadata": {
    "kernel_info": {
      "name": "python3"
    },
    "kernelspec": {
      "name": "python3",
      "language": "python",
      "display_name": "Python 3"
    },
    "language_info": {
      "mimetype": "text/x-python",
      "file_extension": ".py",
      "nbconvert_exporter": "python",
      "codemirror_mode": {
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      },
      "version": "3.5.1",
      "pygments_lexer": "ipython3",
      "name": "python"
    },
    "nteract": {
      "version": "0.8.4"
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  "nbformat": 4,
  "nbformat_minor": 4
}