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Strange PWM output on Mega32
Hello again mates,i'm facing a problem.   I am using all my 3 PWM outputs with my ATmega32.I set them on PhaseCorrect-20kHz Freq.The mC running with 10MHz crystal.   I...
Tuesday, 16 February 2016 - 20:12
Mosfet/IGBT driver, strange action [IR21091]
Hello i am facing a problem with IR21091 driver. I set the deadtime with external resistor, i am using 20kHz pwm as input and supply voltage to driver and IGBT's are 12V. The...
Wednesday, 11 November 2015 - 09:28
ATmega32-MAX7219 and SPI problem.
I have problems with a count-down simply program with MAX7219. I set a time in seconds and count down , it starts with 2:30 and counts down every second BUT randomly resets the...
Sunday, 4 October 2015 - 09:59
ATmega32-MAX7219 and SPI problem.
I have problems with a count-down simply program with MAX7219. I set a time in seconds and count down , it starts with 2:30 and counts down every second BUT randomly resets the...
Sunday, 4 October 2015 - 09:59
What is happening with Taobao.com
Hello ,   i am checking the net and just found the site : http://www.taobao.com/market/glo...   I read that they sell cheap chinese items new,used and some...
Sunday, 26 July 2015 - 19:29
Cant find IRS21091 mosfet driver !
Hello,   These days all looking for IRS21091 PDIP8 mosfet driver. I found few sites on internet to order it but only on SOIC  :/   On IR official site i see that...
Saturday, 25 July 2015 - 18:41
3-Phase Inverter / Mosfet gate problem
Hello, i am having serious problem with an inverter im trying make. The driving method is SVM on 23KHz.     The 12V for opto/driver testing is coming from Mastech...
Wednesday, 8 July 2015 - 14:53
Floating Oscilloscope Measurements
I need some measures with oscilloscope to re-check my inverter circuit (gate signals etc).   The problem is the floating ground and that i have only those in my hands:...
Sunday, 28 June 2015 - 10:56
Heatsink and Thermal Conductive Plaster
Usualy i am placing seperate small heatsinks to my MOSFETs. Now am looking to place a large one for 6xMOSFET. ( its about an 3phase inverter )   As we know Drain and back-...
Wednesday, 24 June 2015 - 12:37
Mosfet problem,3 phase inverter
I am making an 3 phase inverter using SVM. The problem is on power stage, mosfets keep blow and the drivers too.I guess the problem is on driver.I am using IR2109 driver and...
Monday, 8 June 2015 - 10:47