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IGBT equivalent load

January 22, 2020, 4:00 am
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Hi,
I am using FF450R12KT4 IGBT module for my project 3phase inverter.
I want to test power supply for IGBT gate driver IC at -20degC with full load ( i.e. all 6 PWM channels are ON).
But in order to test it at full load I need to connect 3 IGBT modules ( each contains high side and low side IGBT) which I do not have,
so can I connect 28nF capacitor as a load to gate driver IC (as IGBT input capacitance is 28nF) ? ( I am not connecting any motor to IGBT, I just want to test power supply)
Or I need to consider gate charge for output load capacitance(dummy load in place of IGBT) measurement ?

Regards,
Jitendra
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Features

January 22, 2020, 5:25 am
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Hi all,

I need help with the protection features available in every IPM. how do i implement these? Thanks in advance
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TLE5012B in bus mode

January 22, 2020, 8:25 am
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In my application, I need to use four TLE5012, read through SPI.
Four chips, I use 1 CLK, 1 DATA, 4 CS connections.
A single one can be used normally. But when four are used together.
When one CS line is low and the rest are high, the DATA line will be forced to LOW. In other words, when CS is high, DATA is not the high resistance I want.
Why is that?
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Missing Git in Dave V4.4.2

January 22, 2020, 9:09 am
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IPM control

January 22, 2020, 11:12 am
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Quote:
Originally Posted by TechGirl View Post
Hi guys one question, how can I control my IPM?
Any motor control microcontroller can be programmed to control IPMs. If you are looking for an Infineon solution, XMC™ MCUs, which are based on ARM® Cortex®-M cores, are a good industrial controller solution. For a more integrated solution, the iMOTION™ digital motor family integrates all the control and analog interface functions required for sensor less field oriented motor control of variable speed drives. These ICs use a patented and field proven motor control engine (MCE) for a turnkey motor control solution while also eliminating the need to software code the control algorithm.
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Evaluate IPM

January 22, 2020, 11:29 am
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Quote:
Originally Posted by Gyro Gearloose View Post
Hi all,

Are there any design references available for the IPM that I have chosen?

Many thanks in advance!

If you look in each IPM's datasheet, there is typically an application schematic which shows how to connect the pinouts of the IPM to your microcontroller and motor. For more detailed information, I recommend looking at the IPM's application note which has a section that describes the interface circuits and includes a layout guide. The app notes can be found on the IPM's webpage under documents. Also, check out the IPM's MADK which I discussed earlier in this thread. The PCB design of these boards is well documented and can be used as a reference.
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Heatsink and IPMs

January 22, 2020, 11:38 am
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Quote:
Originally Posted by TondGy View Post
Hi guys, can you please give me some hints on which heatsink I should I select for my IPMs?
Thanks!
Finding a sufficient heat sink most likely will include an iterative process of choosing and testing multiple heat sinks. The IPM app note found under documents on each IPM webpage provides more information on how to roughly size a heat sink, but in order for one to be optimized for a given application, one may need to contact a heat sink manufacturer or consultant. Using the IPM simulation tool may also help in determining a heatsink size. If you have your IPM selected and know your motor parameters, then you can test out various heatsink thermal resistance (Rth) values to roughly determine a size that should work.
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Connecting to IMC101T-T038 via IMOTION-LINK Debug Probe

January 22, 2020, 1:16 pm
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SOLUTION

Hi all,
This issue that has now been fixed in revision v1.1 of IMOTION-LINK. All devices shipped past June 2019 have resolved this issue. You can tell the version of your IMOTION-LINK by looking at the barcode sticker on the tool. If you have v1.0 and would like to fix it yourself, you will need to open the IMOTION-LINK device and remove a resistor on the PCB board.

This resistor is labeled as R1. I have included an image of the PCB with location of R1 highlighted in blue:
Attachment 4402
?????
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[AURIX2G] [Flash] How to add boot mode headers for TC397 controller

January 23, 2020, 12:22 am
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Dear Sir,

I am using TC397 EV Board.
do you have some sample code to flash boot mode headers. could you please some user manual for adding the BMHD in code.
and what is the difference between AURIX and AURIX(2G) Bootmode headers.


thank you
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CIPOS IGCM20F60GA minimum ON time

January 23, 2020, 2:44 am
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Hello All,

I'm using IGCM20F60GA as three phase driver.
in the data sheet is not reported the minimum ON time of this module.
I mean what is the minimum pwm ON time I can apply to the driver without damaging it?
Thanks
Andrea
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purpose of bootstrap capacitor?

January 23, 2020, 2:54 am
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What is purpose of bootstrap capacitor and how do I size it?
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'Coloring source file' has encountered a problem

January 23, 2020, 5:32 am
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Hello,

I'm trying to follow the getting started instructions with distance2go and have got as far as trying to run debug on the example project in Dave. There are no build errors or problems reported, but when debugging is started a popup appears:
Title:
Problem Occurred

Message:
'Coloring source file' has encountered a problem.
An internal error has occurred

Details:
An internal error has occurred.
assertion failed:

Clicking on OK leaves the program paused on the entry to main (as expected on starting debug), but the popup returns if I click on continue

This is my first time trying to get both Dave and distance2go working, so I may have got something simple wrong. I have repeated the installation with the same results, and updated both Dave and the APPs, again with the same results.

Any advice in fixing this would be great.
Thanks
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CCU42 on XMC 4100 (or 4200)

January 23, 2020, 7:00 am
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It seems there are only 2 CCU4s on the xmc4100/200. Not very clear from the reference manual but seems to be shown in here
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SW Framework Tools for iLLD latest version 1_0_1_11_0

January 23, 2020, 7:47 am
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Hello,
The latest version of SW framework tools(Release version: 3.1r0) provided from Infineon uses Infrastructure drivers from iLLD_1_0_0_8_0. Please let us know if we can get access to
an updated version of SW framework tools that uses the latest version of iLLD drivers which is iLLD_1_0_1_11_0 as we need to use the latest features of the drivers?

Thanks,
Saravanan
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SW framework tools(3.1r0): Make build error with example template project TC26xB

January 23, 2020, 7:55 am
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Hello,
We are trying to build the BaseFramework_TC26xB template project out of box from the SW framework tools (3.1r0) using the dcc compiler version 5.9.6.3. Upon building we are getting
the following make error:

Code:
Compiling 0_Src/4_McHal/Tricore/Cpu/Std/IfxCpu.c
"0_Src/4_McHal/Tricore/Cpu/Std/IfxCpu.c", line 104: warning (etoa:1824): explicit cast from 'ptr-to-volatile union $$309' to 'ptr-to-union $$309' discards volatile qualifier
"2_Out/Dcc/0_Src/4_McHal/Tricore/Cpu/Std/IfxCpu.s", line 74: error: syntax error
"2_Out/Dcc/0_Src/4_McHal/Tricore/Cpu/Std/IfxCpu.s", line 816: error: syntax error
make[1]: *** [2_Out/Dcc/0_Src/4_McHal/Tricore/Cpu/Std/IfxCpu.o] Error 2
make: *** [build] Error 2
Upon examination of both the lines 74 and 816 in file IfxCpu.s , we see that they contain the instruction "cmpswap.w". Can anybody let us know please what could be the reason for the error.
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XMC1402 ADC Event Interrupt With FIFO

January 23, 2020, 12:47 pm
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I'm using the Dave app ADC_MEASUREMENT_ADV.
One of the channels has a FIFO of 4 stages. Can I trigger an event interrupt when that channel's ADC FIFO is half way full?

Cheers
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QSPI with DMA problem on TC234

January 23, 2020, 2:58 pm
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I'm trying to use the QSPI with DMA, and as usual, the IfxQspi and IfxDMA libraries are extremely buggy.
I have fixed all the bugs I have found so far, and this is the current situation:

o QSPI triggers DMA to fill the TXFIFO and drain the RXFIFO
o DMA reads the transmit data and writes the receive data to the correct addresses
o DMA generates an end-of-transfer service request when TCOUNT = 0.
o Verified by checking DMA_CHCSR001.ICH = 1.
o The interrupt router is ignoring the request and does not generate an interrupt
o The service request is reaching the IR, because I can see SRC_DMACH1.SRR = 1
o The interrupt is winning arbitration, because INT_LWSR0.PN = 0x3d, and DMA1 is using interrupt 61

I'm trying to understand why the interrupt handler isn't being called even though the interrupt is winning arbitration?
What registers should I check?

Toshi
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IRMCF171 I can not start

January 23, 2020, 5:15 pm
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Quote:
Originally Posted by dronnet View Post
Good day.

I have been communicating with technical support for a long time and cannot solve my problem in any way.

I just can not make the IRMCF171 work.

Can you send the simplest firmware for this chip. Firmware that outputs PWM signals. I want to make sure that the microcircuit is working properly.

Firmware without the use of current sensors, revolutions, mains voltage and other. Only PWM three phases 50 Hz.

Thanks.
Hi Dronnet,
Would you still like this firmware file? This can be done by using the publicly available FW then using the VF Diagnostic function in MCEDesigner. You can then apply a low DC voltage (50V) to test out the signals. Just make sure you have the DC bus under-voltage fault protection disabled or set the threshold very low to not trigger a fault. To get 50Hz output, you will need to change the target speed. The register value depends on what you have set your rated speed and qty of poles as. Targetspeed(cnt)= 50Hz / (polepairs) * 60 / (ratedspeed) * 16383. If it is still needed, I can make this FW file with the target speed set for you, but you will still need to run the VF Diagnostic in MCEDesigner.
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PCB footprint

January 24, 2020, 1:02 am
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Hi guys,

I am currently looking for a PCB footprint for my IPM. Where can I find those?

Many thanks in advance!
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Paralleling

January 24, 2020, 3:05 am
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Hi guys,

In my new power stack development I have to parallel all HD's in EconoPack Plus module. Do you have any recommendations on this?

Many thanks!
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