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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...
Tue. Feb 16, 2016 - 08:12 PM
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...
Wed. Nov 11, 2015 - 09:28 AM
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...
Sun. Oct 4, 2015 - 09:59 AM
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...
Sun. Oct 4, 2015 - 09:59 AM
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...
Sun. Jul 26, 2015 - 07:29 PM
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...
Sat. Jul 25, 2015 - 06:41 PM
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...
Wed. Jul 8, 2015 - 02:53 PM
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:...
Sun. Jun 28, 2015 - 10:56 AM
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-...
Wed. Jun 24, 2015 - 12:37 PM
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...
Mon. Jun 8, 2015 - 10:47 AM