This document provides a device modeling report for a TOSHIBA SSM3K104TU power MOSFET. It includes:
1) Details of the MOSFET components and manufacturer.
2) A PSpice model listing parameters for the MOSFET.
3) Results of circuit simulations characterizing the MOSFET's transconductance, Vgs-Id relationship, Rds(on), gate charge, capacitance, switching time, output characteristics, forward/reverse currents, and zener voltage. Comparisons to measurement data show good agreement between simulation and measurement.
SPICE MODEL of SSM3K104TU (Professional+BDP Model) in SPICE PARK
1. Device Modeling Report
COMPONENTS: Power MOSFET (Professional)
PART NUMBER: SSM3K104TU
MANUFACTURER: TOSHIBA
Body Diode (Professional) / ESD Protection Diode
Bee Technologies Inc.
All Rights Reserved Copyright (c) Bee Technologies Inc. 2008
2. MOSFET MODEL
Pspice model
Model description
parameter
LEVEL
L Channel Length
W Channel Width
KP Transconductance
RS Source Ohmic Resistance
RD Ohmic Drain Resistance
VTO Zero-bias Threshold Voltage
RDS Drain-Source Shunt Resistance
TOX Gate Oxide Thickness
CGSO Zero-bias Gate-Source Capacitance
CGDO Zero-bias Gate-Drain Capacitance
CBD Zero-bias Bulk-Drain Junction Capacitance
MJ Bulk Junction Grading Coefficient
PB Bulk Junction Potential
FC Bulk Junction Forward-bias Capacitance Coefficient
RG Gate Ohmic Resistance
IS Bulk Junction Saturation Current
N Bulk Junction Emission Coefficient
RB Bulk Series Resistance
PHI Surface Inversion Potential
GAMMA Body-effect Parameter
DELTA Width effect on Threshold Voltage
ETA Static Feedback on Threshold Voltage
THETA Modility Modulation
KAPPA Saturation Field Factor
VMAX Maximum Drift Velocity of Carriers
XJ Metallurgical Junction Depth
UO Surface Mobility
All Rights Reserved Copyright (c) Bee Technologies Inc. 2008
13. Reverse Recovery Characteristic
Circuit Simulation Result
400mA
200mA
0A
-200mA
-400mA
19.98us 20.00us 20.02us 20.04us 20.06us 20.08us
I(R1)
Time
Evaluation Circuit
R1
50
V1 = -9.4v V1
V2 = 10.7v
TD = 1n DSSM3K104TU
TR = 10ns U2
TF = 6ns
PW = 20us
PER = 100us
0
Compare Measurement vs. Simulation
Measurement Simulation Error (%)
Trj(ns) 10.000 10.129 1.290
trb(ns) 11.500 11.633 1.157
trr(ns) 21.500 21.762 1.219
All Rights Reserved Copyright (c) Bee Technologies Inc. 2008
14. Reverse Recovery Characteristic Reference
Trj=10(ns)
Trb=11.5(ns)
Conditions:Ifwd=lrev=0.2(A),Rl=50
Example
Relation between trj and trb
All Rights Reserved Copyright (c) Bee Technologies Inc. 2008
15. Zener Voltage Characteristic
Circuit Simulation Result
10uA
9uA
8uA
7uA
6uA
5uA
4uA
3uA
2uA
1uA
0A
0V 5V 10V 15V 20V 25V 30V 35V 40V 45V 50V
I(R1)
V_V1
Evaluation Circuit
R1
0.01m
U2
V1 SSM3K104TU
0Vdc
R2
100MEG
0
All Rights Reserved Copyright (c) Bee Technologies Inc. 2008