Posted on December 03, 2014 at 14:00Hi,I wanted your support for IC selection for dimmable driver design. one of the important requirement is to support from 85 to 305V AC input and total output power 9watt to 20watt with constant current driver.Ple...
Posted on November 27, 2014 at 12:21Hi all,I am novice in this environment.I would test the foc behaviours of the STEVAL-IHM042V1, but, on the DM00070385.pdf, I've read that it can bear till 10W motors. Please, could you point me examples of less t...
Posted on October 15, 2014 at 15:25Hi I need to set the speed in my application in rpm. Better in tenth of rpm. I found the routine: UI_ExecSpeedRamp() To use this function in my file what I need to implement and define? bool UI_ExecSpeedRamp(CUI th...
Posted on November 18, 2014 at 11:09I'm writing to ask about function of L6470H.L6470H provide variation function about phase current control. (Ex, Running/Holding/Acc/DecCurrent control, PWM frequency variation)If I use this chip, I have to verify ...
Posted on October 17, 2014 at 13:21Dear Enrico, In my application, I have a power board (generating 24V, 7V) and control board (contains uC, L6474) connected with cables. I have used 24V for L6474 Power pins and 5V for Microcontroller and Digital l...
Posted on November 09, 2014 at 21:23Hello, I'm having a lot of trouble trying to simply talk to the L6470 using SPI. When I send any byte whether it be a valid command or not, the L6470 simply sends the command back on the next SPI transfer. How is ...
Posted on August 21, 2014 at 16:45I'm currently experiencing a problem in which I cannot get the L6480 device to communicate - I think this may be due to a device power up fault but I was hoping someone on here could help!I've attached a simplified ...
Posted on October 09, 2012 at 10:45Hello I'm trying to communicate with SPI from my application in C with two L6470 configured in daisy chain mode. Sending data but I get no response from the pin DSO of the first L6470. Someone can tell me the step...
Posted on July 24, 2014 at 09:13Hello, my apologies in advance for the newbie question. I want to control stepping motor by using L6470. And I want to know the current position (and current number of rotations) of the motor. The ABS_POS register is...
Posted on October 30, 2014 at 22:06The document AN1089 CONTROL LOOP MODELING OF L6561-BASED TM PFC by Claudio Adragna says: ''As a tool to ease the design of L6561�s E/A compensation networks in TM boost PFC preregulators, the Appendix contains a Ma...