Power management

L6599AT Questions Q1: STBY pin does not stop pulses on gate drive outputs. Q2: Datasheet confusion for: (a) Soft-Start, (b) LINE.

Question 1:In our circuit Pin 5 STBY is pulled down to 0V to instantly stop pulses on gate drives. But sometimes when STBY=0V we still see pulses at the gate driver outputs LVG, HVG. The datasheet does not mention that gate pulses may still happen.I ...

Request for help with a smart balancer development.

Dear All,I would like to ask for your help in the following topic. I've got a new task to develop a special balancer to lift up different weights (from 20 to 50kg) without the need of changing it's spring force. The weight of the products has to be m...

STUSB4500 Dual power supply and communication circuitry enabling option using ATTACH pin

Hi,in STUSB4500 if we are planning to use the chip for Power delivery and communication enabling circuit, then will it be necessary to do adjustments in the Vbus when and external 3v3 is applied to the Vsys pin.In case of a Power delivery available p...

Status of STEVAL-EDUKIT01?

I just assembled my EDUKIT01 and getting my feet wet. I downloaded all the available PDFs, files, etc. from https://www.st.com/content/st_com/en/campaigns/educationalplatforms/motorcontrol-edu.html and also from the https://sites.google.com/view/ucla...

How to make STUSB4500 negotiate PDO2 automatically?

My schematic is exactly as shown on page 26 of https://www.st.com/resource/en/datasheet/stusb4500.pdf with an ESP32 connected to the I2C pins and a BQ2057WSN downstream on Vsnk. However, on connection to USB-C the chip negotiates an explicit 5V powe...

[VNH5019A-E] fault conditions, Is there a way to know fault condition is removed or not?

HelloI'm trying to make motor controller using VNH5019A-Emotor driver datasheethttps://www.st.com/content/st_com/en/search.html#q=vnh5019-t=products-page=1​I would like to ask question about fault conditions (OUT is shorted to ground or Vcc)ENA/DIAGA...

I have purchased STEVAL-IHM038V1 from Mouser , but I am unable to find any Firmwere with it , to study the code I want your support for fast development of BLDC ceiling fan application. I have C2000 series controller application software knowledge .