Power management

Hi, I want to add total Harmonic distortion measurement ( THD) . I am using STPM 34 ASSP. IC. suggest algorithm or c library or any notes

Hi, I want to learn the firts production date of STCMB1. Is there any way to learn production dates and differences between versions in terms of chip?

I would like to know the shelf life for STTH30R02DJFTR since we got some parts exceeding 2 years from DC shown in package, we do not know whether there is some risk for proceeding to use them if soldering performance is positive. Thanks for response!

Using STSPIN220, how to detect torque increase and stall ?

Hi,I'm using STSPIN220 to drive a stepper motor with a pushrod.I only using full step mode, in order to have max. torque.I would like to detect when pushrod gets in contact with some item (increase torque), and also if stall/blocking.what would be th...

How to Re-flash the STM32F103RB in STEVAL-SPIN3202 to default firmware

Sir, While playing with STEVAL-SPIN3202 Board , I have mistakenly dump the motor program using External USB ST-LINK V2, while asked to remove protection I have selected yes.Now connecting STEVAL-SPIN3202 board using USB PORT I am unable to detect the...

MASTERGAN rail-to-rail power supply

Hi,I am wondering if I can use the MASTERGAN with dual power supplies. i.e. high power supply +48V and low power supply -48V. In other words, the Drain of the high side GaN is +48V and Source of the low side is -48V.Regards,Mustafa

Request of sample

Dear STM,​I need VNQ5050AK-E 31pcs of sample.Could you check that you can supply sample ?For this, I called sales office in my area but they didn't answer.​If you can't supply sample for free, I want to purchase them.I need them urgently.(I want to r...

Need help with erroneous period readings on the STPM34.

Hi, I have the STPM34 chip connected to a 60Hz line continuously for days and it reads the frequency correctly almost all the time. However, there are instances where it would report back ~37Hz instead of 60Hz a few times in a day or sometimes it wou...

Regarding fault conditions of VNH5019A-E

Hi, I'm trying to control a motor with VNH5019A-Ehttps://www.st.com/resource/en/datasheet/vnh5019a-e.pdf​The Motor specification​s are as followsOperating Voltage : 9 ~ 16VInrush(Stall) Current at 12V : 16A​​I have a question about the following.1) O...