Power management

IS there any evaluation board or reference design available for "STGIK50CH65T" IPM

My requirement is to run BLDC motor using Hall sensor feedback. Electrical requirement is 300V DC, 10Arms. I have selected "STGIK50CH65T" IPM for my requirements. Please propose a reference design or eval board or suggest different part if i am wron...

Need to know the top marking of KF50BDT-TR ,LF50CDT-TR

RHFL7913A, Power-Up

Hello, we are using the RHFL7913A to provide a negative supply for operational amplifiers. When we first supply the positive voltage to the op-amps, there is a positive voltage at the output of the RHFL7913A that is clamped to 0.4V by a protection di...

High voltage conversion (1000V to 25V) for low power application - Are there some application circuit close to those values?

Hi, For a project I'm working on, I need to design a 3.3V power source (to power a microcontroller and measure circuit), the max load should be about 100mW. I only have a voltage source around 1000V next to it and I have to use it to make the 3.3V vo...

What is the maximum supported speed for stepal-spin3204?

We are going to rotate the BLDC motor at a speed of 200,000 RPM.Is step-spin3204 possible?

Switch between VBAT and VDD without removing VDD

My device has various connected sensors and peripherals. The device is intended to go to sleep for extended periods of time before waking up and taking measurements. Currently, the main VDD is a large external battery and VBAT is a coin cell used to ...

L6470 motor current vs MIN_SPEED

I use L6470 in my application at a certain running current. When I vary the speed the motor current remains more or less constant as expected. As soon as I change (actually increase) the MIN_SPEED value, the motor current changes (decreses). Anyone k...

Strong current peaks at the end of some 6-step phases

My team has designed a circuit board based on EVSPIN32F0251S1 and controlled by the "STSW-SPIN32F0251" firmware, using the configuration "6step_conf_sl_cm_spdlp.h". The motor is moving fine, but during some measurements, we found strong current peaks...

How to configure in NVM STUSB4500 PDOs without reverting to its previous configuration when powered off ?

I'm using the Software library "STSW-STUSB003" to configure STUSB4500 PDOs,I use the STEVAL-ISC005V1 with the stm32F072RB. my program works, I manage to modify the PDOs to get the desired voltage.But when the evaluation kit is disconnected, it revert...