Posted on October 13, 2013 at 13:34Hello, I am not sure if this is the right forum to post in. My question is about the L4891 PFC controller, Is there any calculator for extracting the inductor value, and all other values? Its going to be a very com...
Posted on October 12, 2013 at 12:38Hello,I design the automation system with using l297 and l298 chips. Where can I find safety parameters of this chips (MTBF, MTTF, SIL or FIT) ?Thank for answers. #l297 #sil #mttf #mtbf #l298
Posted on April 18, 2013 at 16:45HI , 1.can any one tell me how to PWM DC motor using L6205 ,via EN pin or INX pin ? 2.how can i make the motor coasting (in PWM OFF) ? for the Table in the Datasheet when EN=1, if IN1=0,IN2=1 => OUT1=GND...
Posted on October 08, 2013 at 11:09Hi. Using L6470 I need to move to absolute position with the possibility to change speed during motion. I need the Soft Stop (or something similar) when reaching the target. Speed change during motion is possible ...
Posted on October 09, 2013 at 18:11Hi all, I am testing some features of the http://www.st.com/web/catalog/tools/FM116/SC1077/PF250576?s_searchtype=partnumber development board, and reviewing the firmware I am kind of new on STM8 micro-controllers s...
Posted on October 01, 2013 at 05:34Hello, I am using L6480 stepper motor driver. I have connected my board with SPIN software. If I run the motor status is shown as motor is operated. But in this case High side MOSFET's (HVGA1 & HVGB1) does not turn...
Posted on October 04, 2013 at 15:16Hi. I played with the eval board+steval to set my step motor parameters. It works flawlessly. Now I'm writing Arduino code to get the same control. Motor parameters have been copied by the Register Map. SPI routine...
Posted on October 02, 2013 at 19:11Hi, I am thinking of using a PM6670AS to power DDR3 memory on a new Virtex-7 board. Can someone tell me what will be the maximum current consumed on the VCC and AVCC +5V pins? This must be with the S3 and S5 pins c...
Posted on February 12, 2013 at 12:13Dear All,I would like to design a 52W LED Driver (140-270 VAC) with output 36V, 1.5A and with efficiency > 90%. Please suggest and help me.Thanks in advanceKarthick #led
Posted on September 24, 2013 at 00:59Greetings:I've apparently destroyed 3 of these, so time to appeal to a higher authority.Circuit is same as application circuit in data sheet. Battery to charge is Amstron 12V 22Ahr SLA. Power supply is TDK-Lamb...