February 21, 2018 | Posted in News
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SiC and GaN loss calculation
A new Thermal Module device type, “MOSFET (Eon)” is added. With this device, SiC and GaN devices can be added to the Device Database, and the losses of SiC/GaN can be calculated.
Case studies for the Cree SiC device C3M0065090J and the GaN Systems device GaN GS66508 are provided in terms of loss calculation using the Thermal Module and SPICE, as well as transient simulation using SPICE.
Eon/Eoff vs. Rg for IGBT
The characteristics of the energy losses Eon/Eoff vs. the gate resistance Rg are added to the IGBT device in the Thermal Module. These characteristics allow users to calculate losses at different gate resistances.
PWM ICs
The following new PWM IC models are added: ucc38C40, ucc38C41, ucc38C42, ucc38C43, ucc38C44, ucc38C45, UC3901 A 40‐W power supply example controlled by UC3901 and ucc38C43 is provided.
SPICE subcircuit models
The following new PWM IC models are added: ucc38C40, ucc38C41, ucc38C42, ucc38C43, ucc38C44, ucc38C45, UC3901 A 40‐W power supply example controlled by UC3901 and ucc38C43 is provided.
2‐phase PWM
A new parameter called “Phase Shift” is added to the 2‐phase PWM block in all Hardware Targets. With this parameter, it is possible to phase‐shift 2‐phase PWM blocks.
Hysteresis comparator
The behaviour of the hysteresis comparator is changed with the functions of the two output nodes swapped as compared to v11.1.2. If a v11.1.2 uses this element, the connections to the outputs need to be swapped in order to for the circuit to work properly.
FlashRelease and FlashRamRelease
SimCoder generated code do not work in FlashRelease mode (for F2803x/F2806x) and in FlashRamRelease mode (for F2833x/F2803x/F2806x).
PWM with Phase shift
PWM phase shift does not in certain cases.
CAN bus in F2806x Target
In F2806x Target, CAN output message IDs are not displayed.
PWM in F2833x Target
When 1‐phase PWM with phase shift is used in a circuit, some PWM registers are not defined