Accurate Power Diode


Model Description This model is an accurate power diode model using the lumped-charge technique. The model includes voltage-dependent reverse recovery, forward recovery, conductivity modulation, emitter recombination and includes both high and low level injection.
Model Parameters and Default Values QB=1e-8 (Coulombs)
Qp0=1e-16,
b=3, 
tau3=1u, 
EM=1e-10, 
T0=1u, 
m=0.5, 
VJ=0.7, 
fc=0.5, 
rs=.05, 
cjo=100p, 
PHIB=610.5, (Volts)
IB=1.11e3 (Amperes)
Majority carrier base charge
Minority carrier base charge
Electron to hole mobility ratio
Carrier lifetime
Emitter rec. parameter
Transit time of electrons
Grading coefficient 
Built-in potential
Forward bias cap. factor
Series resistance
Zero bias capacitance
Voltage to deplete diode base
Rev. rec. current factor
Performance Level:  ACCURATE
Quality Classification:  2B
This model has been extensively used 
Parameter extraction is available.
Original Support for Model Development Siemens AG, 1991-94 (Now Infineon), NSF-CDADIC, 1993-94
Documentation C. L. Ma, P. O. Lauritzen, J. Sigg, "Modeling of Power Diodes with the Lumped-Charge Modeling Technique, IEEE Transactions on Power Electronics, Vol. 12, No. 3, pp. 398-405, May 1997.
Download Model Source Code


 Latest update: May 20, 2008 by plauritz@ee.washington.edu