MOTIX™ MCU Forum Discussions
I am developing CANFD in TLE9893 EVkit.
I am using example code in Tle9893 Reference Manual.
Normal can message TX/RX is OK!
But CanFD message Tx/RX not OK , If I try , occured "BUS OFF".
Pls , Help me.
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Show LessHello everyone! There are a couple of phenomena regarding the parameterization of the motor for actual debugging, and I'd appreciate any advice.
1. Startup duty cycle, more than 35% or more, a large number of tests, there will be a probability of power-on direct overcurrent protection, and then the system strike, restart to work properly;
2.Kp Ki parameter design, as if there is not much law, according to Kp/Ki = L / R, this formula does not seem to be very right, because in general, L is particularly small, so must be too large a difference, is not a 2:1 relationship, but at present the test to see how to set up, will only affect the corresponding speed, the motor running stability has not been found to have any effect. Regarding the pi parameter, if there is any opinion, please point it out.
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Show Less大家好!
官方程序里的延时函数Delay_us(uint32 delay_time_us),在实际测试时,有个奇怪的现象。
测试程序看门狗设置1008ms,测试程序延时方式如下:
- Delay_us(500000); (void)WDT1_Service(); //延时500ms,喂狗
- Delay_us(600000); (void)WDT1_Service(); //延时600ms,喂狗
- Delay_us(1000000); (void)WDT1_Service(); //延时1000ms,喂狗
其中,1,3能正常工作,第2项延时600ms喂狗,程序没有喂狗成功,程序不工作。
Show LessDear team I need to wakeup MCU once its go below 3V, using LIN wakeup, if any sample code/ or configuration is available please let us know.
Hello everyone! I have some questions about tle9879 driver bldc, pwm frequency selection, and would like to get answers.
For the same motor, the motor inductance parameter is measured and the results are measured:
Frequency 1khz ------Ls-900uH Lr-0.8Ω
Frequency 10khz ------Ls-880uH Lr-5.4Ω
Frequency 15khz ------Ls-850uH Lr-10.2Ω
Frequency 20khz ------Ls-830uH Lr-16.1Ω
If you look at it according to impedance, the lower the frequency, the lower the impedance, then the greater the output capability of the motor; conversely, if the frequency is high and the impedance is high, then the output capability will be reduced.
But the actual test to see, the results are not so, ccu6- >T12 is also on the pwm setting frequency 10hkz when the carry capacity is very weak, a little bit of load may be held back; and 20khz than 10khz carry capacity is much stronger. Here may have something to do with the renewal current, but exactly what is not understand.
Anyone who understands the relationship between frequency and torque would be grateful for an answer!
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Show LessDear Infineon support team,
Development environment
OS: Windows 10 pro
Compiler: ARMCC V5.06 update 6 (build 750)
Tool: Keil v5
Device: TLE9879QXA40
Board: Custom
Motor: IPM BLDC Delta connection
Power spec. : DC 12[V] 80[A]
With the off-state diagnosis function, I want to diagnose before starting the main statement, and after starting the main statement, I want to turn off the off-state diagnosis function and ignore DS-sts.
The user manual also states to disable DS-current and ignore the DS-sts flag.
However, it is not explained how to ignore DS-STS.
Because of DS-STS, the PWM_EN function continues to be automatically turned off.
How can I ignore DS-STS and make PWM_EN function work?
Show LessHi Sir,
想請問6EDL7141 OCP 與current amplifier 的位置關係
datasheet 的方塊圖OCP是在current amplifier之前
application note的方塊圖 OCP在current amplifier之後
請問何者是正確的呢?
謝謝!
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大家好 请问有没有关于TLE9879的CSA例程,BLDC电机控制里想加一个电流检测,官方例程里没有关于CSA的例子,希望有使用过这个功能的分享一下经验。 谢谢!
Hello,
I'm buying the TLE9879 from Digikey, do they come with pre-programmed BLDC Driver? (same as the one on the Arduino shield).
If not, where can I order pre-programmed chip?
Thanks in advance.
Best,
Thai.
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