U2GC44 LTspice Model (Free SPICE Model)
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This document summarizes the specifications and simulation results for a U2GC44 general purpose rectifier diode manufactured by Toshiba. It includes the SPICE model parameters, evaluation of the forward current and junction capacitance characteristics through circuit simulation and comparison with measurement data, and simulation of the reverse recovery characteristic.
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U2GC44 LTspice Model (Free SPICE Model)
- 1. All Rights Reserved Copyright (C) Bee Technologies Inc. 2004 COMPONENTS: DIODE/ GENERAL PURPOSE RECTIFIER/ STANDARD PART NUMBER: U2GC44 MANUFACTURER: TOSHIBA Device Modeling Report Bee Technologies Inc.
- 2. All Rights Reserved Copyright (C) Bee Technologies Inc. 2004 SPICE MODEL PSpice model parameter Model description 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 *$ * PART NUMBER: U2GC44 * MANUFACTURER: TOSHIBA * All Rights Reserved Copyright (C) Bee Technologies Inc. 2004 .MODEL U2GC44 D + IS=7.8578E-6 + N=3.4185 + RS=11.156E-3 + IKF=.86918 + ISR=0 + CJO=79.350E-12 + M=.3636 + VJ=.43755 + BV=400 + IBV=10.000E-6 + TT=4.4435E-6 *$
- 3. All Rights Reserved Copyright (C) Bee Technologies Inc. 2004 R1 0.01m D1 U2GC44 V1 0Vdc 0 Forward Current Characteristic Circuit Simulation Result Evaluation Circuit
- 4. All Rights Reserved Copyright (C) Bee Technologies Inc. 2004 Comparison Graph Circuit Simulation Result Simulation Result Ifwd(A) Vfwd(V) Measurement Vfwd(V) Simulation %Error 0.1 0.850 0.841 1.059 0.2 0.900 0.909 -1.000 0.5 1.000 0.998 0.200 1 1.100 1.099 0.109 2 1.200 1.195 0.417 5 1.400 1.390 0.714 10 1.580 1.570 0.633 20 1.800 1.806 -0.333
- 5. All Rights Reserved Copyright (C) Bee Technologies Inc. 2004 0 V2 0Vdc D1 U2GC44 V1 TD = 0 TF = 10ns PW = 20us PER = 50us V1 = 0 TR = 1us V2 = 400 Junction Capacitance Characteristic Circuit Simulation Result Evaluation Circuit
- 6. All Rights Reserved Copyright (C) Bee Technologies Inc. 2004 Comparison Graph Circuit Simulation Result Simulation Result Vrev(V) Cj(pF) Measurement Cj(pF) Simulation %Error 0 79.410 79.410 0.000 0.1 73.812 75.070 -1.704 0.2 68.915 69.598 -0.991 0.5 60.000 60.153 -0.255 1 51.470 51.453 0.033 2 42.700 42.490 0.492 5 31.950 31.700 0.782 10 25.120 24.920 0.796 20 19.380 19.400 -0.103 50 14.000 13.990 0.071 100 11.000 10.800 1.818
- 7. All Rights Reserved Copyright (C) Bee Technologies Inc. 2004 V1 TD = 0 TF = 10ns PW = 20us PER = 50us V1 = -9.1V TR = 10ns V2 = 10.9V 0 R1 50 D1 U2GC44 Reverse Recovery Characteristic Circuit Simulation Result Evaluation Circuit Compare Measurement vs. Simulation Measurement Simulation %Error trr 3.08 us 3.07 us 0.325
- 8. All Rights Reserved Copyright (C) Bee Technologies Inc. 2004 Reverse Recovery Characteristic Reference Trj =1.48(us) Trb=1.60(us) Conditions: Ifwd=0.2(A),Irev=0.2(A), Rl=50 Example Relation between trj and trb Measurement