Intelligent Power Modules (IPM) Forum Discussions
Greetings everyone,
I am somewhat new into the motor control field, and this is my first post in the Infineon forum! Nice to e-meet you everyone!
I've been trying to implement my IPM module for moving a 3-phase induction motor ( IGCM20F60GA ) but I am having a major issue related to potential difference between the 15V /5V DC line and the 300V DC bus.
Reading the documentation and implementation notes, I can comprehend that the power bus and the control bus must be isolated one from each other. But according to application schematics and examples, I don't understand how is the difference in potential managed.
I am fairly new into these kind of high voltages, so I am not very comfortable yet.
I have tried to do an implementation, but failed catastrophically with some *magic smoke* involved.
About the implementation, my 300VDC bus came from a 230VAC-300VDC (rectified) power source.
And regarding to the control part, it came from a 230VAC-16VDC small cheap AC-DC switching power supply.
Both grounds of the 300VDC and the 16VDC where connected according to example schematics, and that made the mains circuit breaker to jump.
The positive of the 300VDC was connected to the P terminal, and the 16VDC positive was connected to the VDD.
Between the 16VDC and the GND I had a 100nF capacitor, as recommended...
Here is another aplication circuit i've found, "showing" how the grounds are separate from each other, yet they are connected in the same node...
So... What am I missing ?
May anyone throw me some light or recommend to me some documentation or reading I should do?
Many thanks in advance.
Hello,
IPM Simulation tool is not working or showing the simulation.
Attached is a screen shot
Simply read the reg 0x02h input data, take control according to the following diagram.
FW flow is: CS set low - > set data0-7 to output - > ALE set high - >dataset 0-7 = 0x02 - > ALE set low - data > set 0-7 to input - > RD set low - > read data 0-7 - > RD set high - >CS set high.
The logical analyzer observed that the data pin did not seem to change during ALE (keep low), and saw that ALE and CS pins would suddenly jump high and drop immediately.
(SEL is direct grounding, ALE is push-pull and everything else is set to open-drian, but it doesn't seem to affect the result)
Which part of the circuit should I pay attention to or correct? Thank you.
smartconx_target@Q!w2e3r4t5y6u7i8o9p0||/t5/%E6%99%BA%E8%83%BD%E5%8A%9F%E7%8E%87%E6%A8%A1%E5%A1%8A/ISO1I813T%E7%9A%84%E5%95%8F%E9%A1%8C/td-p/643536
Show LessThe datasheet for the IM828-XCC IPM has a minimum recommended DC link supply voltage of 350V. I would like to test a new design using a low DC bus voltage (eg. 12V) and a low voltage motor. Will I experience any issues when using a DC bus voltage below the minimum recommended value?
Show LessHello, Infineon staff
I want to use your TLE-8386-2EL chip to achieve the 24V-60V boost process. to supply high pressure to the injector. This time, I mainly had the following two questions.
1. The data sheet describes two modes of operation of the chip, CCM and DCM. However, from the data sheet, I saw that only two pins, EN and SYNC, are connected to the microcontroller. The EN pin outputs high and low levels, and the sync pin outputs a clock signal. So how is this mode switched, and does the chip adjust itself?
2. The duty cycle algorithm in the data sheet is d=60-24/60=0.6. The maximum value dMax appears in dCM mode. I checked that the data sheet has a typical value of 0.93. Can I use it directly?
3. In the calculation process of the boost inductor, deltaVsensee did not give a specific algorithm. Since he detects the voltage at both ends of Rcs, my idea is to use Ohm's law. However, since it is a calculation stage, I don't know the current value; is there any algorithm that can calculate this value.
4. I have a more in-depth question based on Rcs. The value of Rcs is calculated by me, so this kind of chip that includes current detection is generally a programmable chip, and the threshold is written by myself, but I don't seem to be able to participate directly in this chip. I really want to know what its detection principle is?
5. Since the current on my load injector can reach 16.5A, I calculated I bomax according to 17A, but then I boostMax=17/0.07=243A appeared. I was unable to find a suitable inductor from the manufacturer, which proved that my calculation was definitely unreasonable. So I How should the value of bomax, or maximum output current, be selected?
6. Regarding the pin assignment of the TC275, I learned that a GUI tool can be used to assign pins to prevent problems. I've only used AURIX Development Studio, which is the right GUI tool for aurix (MCU monolithic, not development board)?
Doublemint
2023.11.16
Show LessHello.
If the voltage at the 3.3 V output terminal of the TLF35584 becomes overvoltage, a RESET occurs (e.g., close to 3.6 V) and I would like to confirm that the IC is protected. How can the voltage of the 3.3V output pin (QUC V_LDO_μC For μC supply) be about 3.6V?
Show Lesshello authorized
I use this IPM (IKCM20R60GD). I found another app note. I saw ITRIP PIN.I saw how this pin was used. Can I follow the same steps in this integrated?
Can you send me documents related to this integration that I can use?
Thank for your concern.
Show Less
hello authorized
I use this IPM (IKCM20R60GD). I found another app note. I saw ITRIP PIN.I saw how this pin was used. Can I follow the same steps in this integrated?
Can you send me documents related to this integration that I can use?
Thank for your concern.
ex. Voc/Ipeakofdevice ,this formula and more
Show LessI have a question about IPM 3-phase Inverter Simulator.
The frequency input to System Frequency is recognized as the frequency of the current waveform output by the inverter, is it correct?
The frequency f is an understanding obtained by calculating backwards from the following equation.
Ns=(120*f)/P
*Ns: Motor speed [rpm], P: Motor pole number
IPM 3-phase Inverter Simulator
Show Less