Device Modeling Report



COMPONENTS: Silicon Carbide Schottky Diode
PART NUMBER: SCS110AG
MANUFACTURER: ROHM
REMARK: Standard Model




                Bee Technologies Inc.



  All Rights Reserved Copyright (C) Bee Technologies Inc. 2010
PSpice model
                                      Model description
 parameter
     IS         Saturation Current
     N          Emission Coefficient
     RS         Series Resistance
    IKF         High-injection Knee Current
    CJO         Zero-bias Junction Capacitance
     M          Junction Grading Coefficient
     VJ         Junction Potential
    ISR         Recombination Current Saturation Value
     BV         Reverse Breakdown Voltage(a positive value)
    IBV         Reverse Breakdown Current(a positive value)
     TT         Transit Time
    EG          Energy-band Gap




               All Rights Reserved Copyright (C) Bee Technologies Inc. 2010
Forward Current Characteristic

Circuit Simulation Result

       100A




        10A




       1.0A




      100mA




       10mA




      1.0mA
              0V             0.5V            1.0V               1.5V              2.0V   2.5V
                   I(R1)
                                                         V_V1

Evaluation Circuit


                                                R1


                                                0.01m



                                     V1                                D1
                              0Vdc                                     SCS110AG




                                                     0




                      All Rights Reserved Copyright (C) Bee Technologies Inc. 2010
Comparison Graph

Circuit Simulation Result

                               100.000
                                                   Measurement
                                                   Simulation

                                10.000
      FORWARD CURRENT: IF(A)




                                 1.000



                                 0.100



                                 0.010



                                 0.001
                                         0.0           0.5            1.0         1.5           2.0            2.5
                                                                FORWARD VOLTAGE: VF(V)


Simulation Result

                                                                       VF(V)
                                    IF(A)                                                          Error (%)
                                                     Measurement               Simulation
                                          0.001             0.8800                    0.8860               0.68
                                           0.01             0.9400                    0.9459               0.63
                                             0.1            1.0100                    1.0091              -0.09
                                             0.2            1.0350                    1.0311              -0.38
                                             0.5            1.0700                    1.0669              -0.29
                                               1            1.1070                    1.1050              -0.18
                                               2            1.1700                    1.1628              -0.62
                                               5            1.3000                    1.3030               0.23
                                             10             1.5000                    1.5062               0.41
                                             15             1.7000                    1.6964              -0.21




                                           All Rights Reserved Copyright (C) Bee Technologies Inc. 2010
Junction Capacitance Characteristic

Circuit Simulation Result


      1.0n




      100p




       10p




      1.0p
        100mV                              1.0V                        10V          100V
            I(V2)/(600V/500n)
                                                       V(N36166)


Evaluation Circuit


                                              V2


                                                   0Vdc



                        V2 = 600      V1                           D1
                        V1 = 0                                     SCS110AG
                        TD = 0
                        TR = 500ns
                        TF = 500ns
                        PW = 100us
                        PER = 500us


                                                   0




                     All Rights Reserved Copyright (C) Bee Technologies Inc. 2010
Comparison Graph

Circuit Simulation Result


                                              1000
                                                                                                            Measurement
       CAPACITANCE BETWEEN TERMINAL: Ct(pF)




                                                                                                            Simulation




                                              100




                                                10




                                                1
                                                     0.1                   1                 10                           100
                                                                          REVERSE VOLTAGE:VR(V)


Simulation Result

                                                                                C (pF)
                                                VR(V)                                                          Error (%)
                                                                  Measurement             Simulation
                                                            0.1         530.012                 533.839                0.72
                                                            0.2         507.843                 517.441                1.89
                                                            0.5         458.372                 463.662                1.15
                                                              1         400.824                 403.313                0.62
                                                              2         331.687                 331.478               -0.06
                                                              5         234.876                 237.073                0.94
                                                            10          176.213                 177.055                0.48
                                                            20          129.285                 129.551                0.21
                                                            50           84.692                  84.318               -0.44
                                                           100           62.109                  60.590               -2.45




                                                       All Rights Reserved Copyright (C) Bee Technologies Inc. 2010
Reverse Recovery Characteristic

Circuit Simulation Result

       400mA


       300mA


       200mA


       100mA


        -0mA


      -100mA


      -200mA


      -300mA


      -400mA
          1.98us 2.00us 2.02us                 2.06us 2.08us 2.10us 2.12us           2.16us
               I(R1)
                                                           Time

Evaluation Circuit

                                                  R1


                                                  50
                            V1 = -9.25V
                            V2 = 11.1V
                            TD = 28n
                            TR = 20ns     V1                          D1
                            PW = 2us                                  SCS110AG
                            TF = 15ns
                            PER = 50us




                                                       0




Compare Measurement vs. Simulation

                                 Measurement                  Simulation         Error (%)
            trj        ns                      7.500                  7.509            0.11




                     All Rights Reserved Copyright (C) Bee Technologies Inc. 2010
Reverse Recovery Characteristic                                                 Reference




                                                      Measurement




Trj =7.5(ns)
Trb=16.00(ns)
Conditions: Ifwd=0.2A, Irev=0.2A, Rl=50Ω




                                                          Example




                               Relation between trj and trb




                 All Rights Reserved Copyright (C) Bee Technologies Inc. 2010

SPICE MODEL of SCS110AG , TC=25degree , PSpice (Standard Model) in SPICE PARK

  • 1.
    Device Modeling Report COMPONENTS:Silicon Carbide Schottky Diode PART NUMBER: SCS110AG MANUFACTURER: ROHM REMARK: Standard Model Bee Technologies Inc. All Rights Reserved Copyright (C) Bee Technologies Inc. 2010
  • 2.
    PSpice model Model description parameter IS Saturation Current N Emission Coefficient RS Series Resistance IKF High-injection Knee Current CJO Zero-bias Junction Capacitance M Junction Grading Coefficient VJ Junction Potential ISR Recombination Current Saturation Value BV Reverse Breakdown Voltage(a positive value) IBV Reverse Breakdown Current(a positive value) TT Transit Time EG Energy-band Gap All Rights Reserved Copyright (C) Bee Technologies Inc. 2010
  • 3.
    Forward Current Characteristic CircuitSimulation Result 100A 10A 1.0A 100mA 10mA 1.0mA 0V 0.5V 1.0V 1.5V 2.0V 2.5V I(R1) V_V1 Evaluation Circuit R1 0.01m V1 D1 0Vdc SCS110AG 0 All Rights Reserved Copyright (C) Bee Technologies Inc. 2010
  • 4.
    Comparison Graph Circuit SimulationResult 100.000 Measurement Simulation 10.000 FORWARD CURRENT: IF(A) 1.000 0.100 0.010 0.001 0.0 0.5 1.0 1.5 2.0 2.5 FORWARD VOLTAGE: VF(V) Simulation Result VF(V) IF(A) Error (%) Measurement Simulation 0.001 0.8800 0.8860 0.68 0.01 0.9400 0.9459 0.63 0.1 1.0100 1.0091 -0.09 0.2 1.0350 1.0311 -0.38 0.5 1.0700 1.0669 -0.29 1 1.1070 1.1050 -0.18 2 1.1700 1.1628 -0.62 5 1.3000 1.3030 0.23 10 1.5000 1.5062 0.41 15 1.7000 1.6964 -0.21 All Rights Reserved Copyright (C) Bee Technologies Inc. 2010
  • 5.
    Junction Capacitance Characteristic CircuitSimulation Result 1.0n 100p 10p 1.0p 100mV 1.0V 10V 100V I(V2)/(600V/500n) V(N36166) Evaluation Circuit V2 0Vdc V2 = 600 V1 D1 V1 = 0 SCS110AG TD = 0 TR = 500ns TF = 500ns PW = 100us PER = 500us 0 All Rights Reserved Copyright (C) Bee Technologies Inc. 2010
  • 6.
    Comparison Graph Circuit SimulationResult 1000 Measurement CAPACITANCE BETWEEN TERMINAL: Ct(pF) Simulation 100 10 1 0.1 1 10 100 REVERSE VOLTAGE:VR(V) Simulation Result C (pF) VR(V) Error (%) Measurement Simulation 0.1 530.012 533.839 0.72 0.2 507.843 517.441 1.89 0.5 458.372 463.662 1.15 1 400.824 403.313 0.62 2 331.687 331.478 -0.06 5 234.876 237.073 0.94 10 176.213 177.055 0.48 20 129.285 129.551 0.21 50 84.692 84.318 -0.44 100 62.109 60.590 -2.45 All Rights Reserved Copyright (C) Bee Technologies Inc. 2010
  • 7.
    Reverse Recovery Characteristic CircuitSimulation Result 400mA 300mA 200mA 100mA -0mA -100mA -200mA -300mA -400mA 1.98us 2.00us 2.02us 2.06us 2.08us 2.10us 2.12us 2.16us I(R1) Time Evaluation Circuit R1 50 V1 = -9.25V V2 = 11.1V TD = 28n TR = 20ns V1 D1 PW = 2us SCS110AG TF = 15ns PER = 50us 0 Compare Measurement vs. Simulation Measurement Simulation Error (%) trj ns 7.500 7.509 0.11 All Rights Reserved Copyright (C) Bee Technologies Inc. 2010
  • 8.
    Reverse Recovery Characteristic Reference Measurement Trj =7.5(ns) Trb=16.00(ns) Conditions: Ifwd=0.2A, Irev=0.2A, Rl=50Ω Example Relation between trj and trb All Rights Reserved Copyright (C) Bee Technologies Inc. 2010