Power management

Why motor vibration in zero speed? i'm using G431B board T-MOTOR 2312 and hall sensor(120 degree), set to torque mode, the motor work fine most time, but it will be vibration when start-up with heavy load or i stop the motor with my hand.

Hi guys,How can i solve the problem that motor vibration in zero speed? i'm using G431B board T-MOTOR 2312 and hall sensor(120 degree), set to torque mode, the motor work fine most time, but it will be vibration when start-up with heavy load or i sto...

Where can I find the SPICE models of STY145N65M5 and STY139N65M5 ?

Hi, I cannot find where to download the SPICE models of STY145N65M5 and STY139N65M5. I can find the SPICE page here:(https://www.st.com/content/st_com/en/search.html#q=spice-t=resources-page=6) But the links above direct me to "SORRY, PAGE NOT FOUND"...

For POWERSTEP01 : while using STEPCLK/DIR mode as well as internal motion engine mode I would like to know

Is there any speed limit or acceleration enforced in step/dir mode? 60min/s*1.67MHz/200st/128uSt = 3260RPM max speed theoretical. What about acceleration in this case?What is the thermal resistance junction to air with minimal copper footprint?What i...

I'm using SPV1050 for charging with 18650 batt with 12V Voc panel 280mA, 2.8W.. Would want to know whats the max. input current the IC can withstand..

I'm using SPV1050 for charging with 18650 batt with 12V Voc panel 280mA, 2.8W.. Would want to know whats the max. input current the IC can withstand.. Config settings are R1-10M, R2-1M, R3-5.6M & R4-6.2M, R5-500K, R6-2.7M.. Output current is limiti...

I designed the board STEVAL-ILL013V1 and my transistor Q1 is heating up. The output voltage is DC 400 volts. What can you advise me. Part of the LED current adjustment board is not included in the operation.

Hello! wireless charge receiver STWLC04 no longer produced ? what can be used instead ?

Hello!We start big project and want use wireless charge option.Wee need wireles charging system with power about 1-2.5 Watt max and small size pcb and receiver coil (receiver coil diameter must be no higher 20mm ).I found STEVAL-ISB038V1T (transcieve...

SPV1050 very bad efficiency with solar panel. In same condition charge current is 15mA with spv1050 and 50mA with battery directly connect to solar panel. Help need

I use a solar panel ref SM141k08l from IXOLAR and the sp1050 schematic from eval board ISV020V1 in a buck boost version. Just change some resistor to adjust Vppm to 4.8v (I got it in my test, but only 15mA is push to my Lipo battery, lipo voltage is ...

STNS01PUR LDO spike during 5V connect

I am seeing pretty poor performance from the LDO on the STNS01PUR when 5V is attached to the charging chip. When 5V is applied there is an initial moderate spike in the LDO output, followed by a much bigger and prolonged spike after several ms. The...