Posted on September 01, 2015 at 15:21Hello Experts,I am using a bipolar stepper motor and L9942 driver IC.I am unable to set the stall threshold time for my application. The stall position to be identified is the end position of the linear actuator....

Posted on July 29, 2015 at 08:18Dear Experts,I am currently working with L9942 Driver IC. During micro-stepping at less than 700Hz of STEP frequency input to the driver, there is no current chopping at the output coils. At frequencies greater than 7...

Posted on July 23, 2015 at 13:32I am a newbie to Stepper Motors. I am working on L9942. The different modes that it can chop the current are Full mode, 1/2, 1/4 and 1/8.  When 1/4, 1/8 modes are used with lower STEP Frequency or when Full and 1/2 mo...

Posted on May 08, 2015 at 07:15Dear All,Thank You for your great support as always..I have the following clarifications, Tried to set STALL threshold using the AN2650 procedure, when the STALL threshold value is 00000000 STALL is not set, but when...

Posted on April 01, 2015 at 12:58Dear Experts,I am new to L9942 Driver IC.I am currently working on this IC for a stepper motor control in automotive safety application.I have attached a 'c' program written for SPI communication with L9942. The cont...