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Transient Electro-Thermal Modeling on Power Semiconductor Devices (Paperback)
Loot Price: R863
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Transient Electro-Thermal Modeling on Power Semiconductor Devices (Paperback)
Series: Synthesis Lectures on Power Electronics
Expected to ship within 10 - 15 working days
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This book presents physics-based electro-thermal models of bipolar
power semiconductor devices including their packages, and describes
their implementation in MATLAB and Simulink. It is a continuation
of our first book Modeling of Bipolar Power Semiconductor Devices.
The device electrical models are developed by subdividing the
devices into different regions and the operations in each region,
along with the interactions at the interfaces, are analyzed using
the basic semiconductor physics equations that govern device
behavior. The Fourier series solution is used to solve the
ambipolar diffusion equation in the lightly doped drift region of
the devices. In addition to the external electrical
characteristics, internal physical and electrical information, such
as junction voltages and carrier distribution in different regions
of the device, can be obtained using the models. The instantaneous
dissipated power, calculated using the electrical device models,
serves as input to the thermal model (RC network with constant and
nonconstant thermal resistance and thermal heat capacity, or
Fourier thermal model) of the entire module or package, which
computes the junction temperature of the device. Once an updated
junction temperature is calculated, the temperature-dependent
semiconductor material parameters are re-calculated and used with
the device electrical model in the next time-step of the
simulation. The physics-based electro-thermal models can be used
for optimizing device and package design and also for validating
extracted parameters of the devices. The thermal model can be used
alone for monitoring the junction temperature of a power
semiconductor device, and the resulting simulation results used as
an indicator of the health and reliability of the semiconductor
power device.
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