Discuss power management solutions. Ask questions and find answers on voltage configurations, short circuit protection, and programming.
Posted on February 05, 2018 at 14:13 Hello, I got a problem with my light dimmer pet project using ST's snubberless triac, T435-800T. It's working fine (turning on and off based on the control input) with the positive going half cycle of AC ma...
Posted on February 19, 2018 at 09:43Hello ST,I am a NEW hire in our company and I am trying to understand the Analog PFC in our current design using L4981A PFC controller IC. I need to fully understand the feedback control portion in this circuit be...
Posted on July 08, 2016 at 09:59Hello, may anybody can help me out with a .schLib and .pcbLib for the ST PowerStep01 89-PowerVQFN in Altium Designer? May send via EMail? Thanks so far Best Regards Oliver #powerstep01-stepper-motor-driver
Posted on January 29, 2018 at 00:26Hello everybody, I am trying to understand the calculations and derivations of L4981A average current mode PFC controller circuits from the application note, AN628 : DESIGNING A HIGH PO...
Posted on January 31, 2018 at 10:30 Hi, I'm using IHMOA03 to control NEMA23 format stepper motor running in half-step current controlled clock step mode. I put the scope on the sense resistor R1 to monitor the phase current and it is not what I e...
Posted on August 10, 2017 at 01:28Sorry if this is a simple question; I'm new to motor control.I have the STEVAL-PCC009V2 and four EVAL6470Hs. I would like to drive them all at the same time. I saw in the user manual that you can't do that in the GU...
Posted on February 08, 2018 at 21:48Hello,I am looking for the schematic and pcb ( especially pcb ) libs for L6470PD device. Can someone help me to find them and share with me.Thank you very much in advacneJacek Pieczaba
Posted on February 07, 2018 at 19:25Hello,I am new in this community so please excuse me if the question was already rises. In my application I am planning to use two stepper drivers L6470PD for different stepper motors but driven from the same MCU....
Posted on March 09, 2015 at 08:41Hi, I am facing an issue where it seems the L6470 drops the most-significant bit of each byte transferred when I GetParam ABS_POS. Here is a screenshot of the SPI comminucation during the last byte transferred when t...
Posted on February 07, 2018 at 17:52Hi,I want to compute the resonant circuit formula to have the right value for C :I use the STEVAL-ISB039V1 kit with transmitter and receiver boardFirst mistakes with inductive and capacitors values :If I use the f...
