Transient Stress Test

The transient stress test item uses the SPICE Engine, it makes a SPICE net list, finds the node voltage, and checks whether all passive components connected to the net are within the allowable voltage range.

Figure 1.


  • Power Net: Select power net group to which passive components are connected.
  • Ground Net: Select ground net group to which passive components are connected.
  • Start Component: Select start component of power net. Normally Power Device or Connector can be a start component of power net.
  • Stimulus: Set input stimulus of SPICE net list. You can assign Step Pulse or Pulse Train.
    Figure 2.


  • Voh: Set the output high voltage (Voh) of driver pin. You can set this by entering the value directly or select the property name which contain voh value.
  • Vol: Set the output low voltage (Vol) of driver pin. You can set this by entering the value directly or select the property name which contain vol value.

Set Resistor

Set resistor component parameters for the Transient Stress Test item.

  1. Double-click the empty field in the Resistor column to open the Resistor dialog.
    Figure 3.


  2. If this stress test-item was previously set, click Auto Setup to import all properties except for Simulation Parameter and Simulation Model.
    Note: If the stress test-item was not set, refer to Resistor for setup.
  3. Double-click the empty field in the Simulation Parameter column, and then select from the following:
    • To enter the value of resistance, select Value (ohm).
    • To select the property that contains the value of resistance, select Property Name.
    Figure 4.


  4. Optional: To register a SPICE model, double-click the empty field, and then use the File Explorer to select the .model file.
  5. Click OK to exit the dialog.

Set Capacitor

Set capacitor component parameters for the Transient Stress Test item.

  1. Double-click the empty field in the Capacitor column to open the dialog.
    Figure 5.


  2. If this stress test-item was previously set, click Auto Setup to import all properties except for Simulation Parameter and Simulation Model.
    Note: If the stress test-item was not set, refer to Capacitor for setup.
  3. Double-click the empty field in the Simulation Parameter column, and then select from the following:
    • To enter the value of capacitance, select Value (ohm).
    • To select the property that contains the value of capacitance, select Property Name.
    Figure 6.


  4. Optional: To register a SPICE model, double-click the empty field, and then use the File Explorer to select the .model file.
  5. Click OK to exit the dialog.

Set Diode

Set diode component parameters for the Transient Stress Test item.

  1. Double-click the empty field in the Diode column to open the Diode dialog.
    Figure 7.


  2. If this stress test-item was previously set, click Auto Setup to import all properties except for Simulation Parameter and Simulation Model.
    Note: If the stress test-item was not set, refer to Diode for setup.
  3. Double-click the empty field in the Simulation Parameter column, and then do the following:
    1. Select the property that contains the forward voltage.
    2. Select the property that contains the reverse voltage.
      Figure 8.


  4. Optional: To register a SPICE model, double-click the empty field, and then use the File Explorer to select the .model file.
  5. Click OK to exit the dialog.

Set Varistor

Set varistor component parameters for the Transient Stress Test item.

  1. Double-click the empty field in the Varistor column to open the Varistor dialog.
    Figure 9.


  2. If this stress test-item was previously set, click Auto Setup to import all properties except for Simulation Parameter and Simulation Model.
    Note: If the stress test-item was not set, refer to Varistor for setup.
  3. Double-click the empty field in the Simulation Parameter column, and then do the following:
    1. Select the property that contains the forward voltage.
    2. Select the property that contains the reverse voltage.
      Figure 10.


  4. Optional: To register a SPICE model, double-click the empty field, and then use the File Explorer to select the .model file.
  5. Click OK to exit the dialog.

Set Transistor

Set transistor component parameters for the Transient Stress Test item.

  1. Double-click the empty field in the Transistor column to open the Transistor dialog.
    Figure 11.


  2. If this stress test-item was previously set, click Auto Setup to import all properties except for Simulation Parameter and Simulation Model.
    Note: If the stress test-item was not set, refer to Transistor for setup.
  3. Double-click the empty field in the Simulation Parameter column, and then do the following:
    1. For Vce, enter the value or select the property.
    2. For Input Capacitance(pF), enter the value or select the property.
      Figure 12.


  4. Optional: To register a SPICE model, double-click the empty field, and then use the File Explorer to select the .model file.
  5. Click OK to exit the dialog.

Set MOFSET

Set MOFSET component parameters for the Transient Stress Test item.

  1. Double-click the empty field in the MOFSET column to open the MOFSET dialog.
    Figure 13.


  2. If this stress test-item was previously set, click Auto Setup to import all properties except for Simulation Parameter and Simulation Model.
    Note: If the stress test-item was not set, refer to MOSFET for setup.
  3. Double-click the empty field in the Simulation Parameter column, and then do the following:
    1. For Ron, enter the value or select the property.
    2. For Input Capacitance(pF), enter the value or select the property.
      Figure 14.


  4. Optional: To register a SPICE model, double-click the empty field, and then use the File Explorer to select the .model file.
  5. Click OK to exit the dialog.

Set Photo Coupler

Set Photo Coupler component parameters for the Transient Stress Test item.

  1. Double-click the empty field in the Photo Coupler column to open the Photo Coupler dialog.
    Figure 15.


  2. If this stress test-item was previously set, click Auto Setup to import all properties except for Simulation Parameter and Simulation Model.
    Note: If the stress test-item was not set, refer to Photo Coupler for setup.
  3. Double-click the empty field in the Simulation Parameter column, and then do the following:
    1. Select the property that contains the forward voltage.
    2. Select the property that contains the reverse voltage.
    3. Select the property that contains the Vceo voltage.
      Figure 16.


  4. Optional: To register a SPICE model, double-click the empty field, and then use the File Explorer to select the .model file.
  5. Click OK to exit the dialog.

Set Linear Regulator

Set linear regulator component parameters for the Transient Stress Test item.

  1. Double-click the empty field in the Linear Regulator column to open the Linear Regulator dialog.
    Figure 17.


  2. If this stress test-item was previously set, click Auto Setup to import all properties except for Simulation Parameter and Simulation Model.
    Note: If the stress test-item was not set, refer to Linear Regulator for setup.
  3. Double-click the empty field in the Simulation Parameter column, and then select from the following:
    • To enter the value of input capacitance, select Value (pF).
    • To select the property that contains the value of input capacitance, sele
      Figure 18.


      ct Property Name.
  4. Optional: To register a SPICE model, double-click the empty field, and then use the File Explorer to select the .model file.
  5. Click OK to exit the dialog.

Set General IC

Set General IC component parameters for the Transient Stress Test item.

  1. Double-click the empty field in the General IC column to open the General IC dialog.
    Figure 19.


  2. If this stress test-item was previously set, click Auto Setup to import all properties except for Simulation Parameter and Simulation Model.
    Note: If the stress test-item was not set, refer to General IC for setup.
  3. Double-click the empty field in the Simulation Parameter column, and then select from the following:
    • To enter the value of input capacitance, select Value (pF).
    • To select the property that contains the value of input capacitance,
      Figure 20.


      select Property Name.
  4. Optional: To register a SPICE model, double-click the empty field, and then use the File Explorer to select the .model file.
  5. Click OK to exit the dialog.

Set Fuse

Set fuse component parameters for the Transient Stress Test item.

  1. Double-click the empty field in the Fuse column to open the Fuse dialog.
    Figure 21.


  2. If this stress test-item was previously set, click Auto Setup to import all properties except for Simulation Parameter and Simulation Model.
    Note: If the stress test-item was not set, refer to Fuse for setup.
  3. Double-click the empty field in the Simulation Parameter column, and then select from the following:
    • To enter the value of resistance (RON), select Value (ohm).
    • To select the property that contains the value of resistance (RON), select Property Name.
    Figure 22.


  4. Optional: To register a SPICE model, double-click the empty field, and then use the File Explorer to select the .model file.
  5. Click OK to exit the dialog.

Set LED

Set LED component parameters for the Transient Stress Test item.

  1. Double-click the empty field in the LED column to open the LED dialog.
    Figure 23.


  2. If this stress test-item was previously set, click Auto Setup to import all properties except for Simulation Parameter and Simulation Model.
    Note: If the stress test-item was not set, refer to LED for setup.
  3. Double-click the empty field in the Simulation Parameter column, and then do the following:
    1. Select the property that contains the forward voltage.
    2. Select the property that contains the reverse voltage.
    Figure 24.


  4. Optional: To register a SPICE model, double-click the empty field, and then use the File Explorer to select the .model file.
  5. Click OK to exit the dialog.

Set Coil

Set coil component parameters for the Transient Stress Test item.

  1. Double-click the empty field in the Coil column to open the Coil dialog.
    Figure 25.


  2. If this stress test-item was previously set, click Auto Setup to import all properties except for Simulation Parameter and Simulation Model.
    Note: If the stress test-item was not set, refer to Coil for setup.
  3. Double-click the empty field in the Simulation Parameter column, and then select from the following:
    • To enter the value of inductance, select Value (uH).
    • To select the property that contains the value of inductance, select Property Name.
    Figure 26.


  4. Optional: To register a SPICE model, double-click the empty field, and then use the File Explorer to select the .model file.
  5. Click OK to exit the dialog.

Set Polymer PTC

Set Polymer PTC component parameters for the Transient Stress Test item.

  1. Double-click the empty field in the Polymer PTC column to open the Polymer PTC dialog.
    Figure 27.


  2. If this stress test-item was previously set, click Auto Setup to import all properties except for Simulation Parameter and Simulation Model.
    Note: If the stress test-item was not set, refer to Polymer PTC for setup.
  3. Double-click the empty field in the Simulation Parameter column, and then select from the following:
    • To enter the value of resistance (ESR), select Value (ohm).
    • To select the property that contains the value of resistance (ESR), select Property Name.
    Figure 28.


  4. Optional: To register a SPICE model, double-click the empty field, and then use the File Explorer to select the .model file.
  5. Click OK to exit the dialog.

Set Trace Parameter

Set trace parameters for the Transient Stress Test item.

Circuit level simulation does not reflect trace parasitic. You can assign a trace parasitic value (R, L, C).

  1. Double-click the empty field in the Trace Parameter column to open the Trace Parameter dialog.
    Figure 29.


  2. Double-click the empty field in the Simulation Parameter column, and then do the following:
    1. Enter the Inductance value.
    2. Enter the Capacitance value.
    3. Enter the Resistance value.