Power management

How to recharge a lead battery in UPS mode

Hello, I would like to recharge a lead battery (6V - 4500mAh) by using two different sources : a solar pannel and/or a micro USB input. The device needs to run in UPS mode (uninterruptible power supply). Do you know if ST proposes some IC that could ...

FOC PMSM motor controller : measure phase current with mosfets Drain/Source voltage

Hello, I developed by the past some FOC controllers with the STM32 PMSM FOC Firmware Library v3.0.For the phase current measurement, I used isolated current sensor (section 4.3 of STM32 PMSM MC Library v3.0 User manual.pdf).For a new design, I thinki...

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I think the STM group not at all replying the people questions. May be they are not having interest to their followers.

I want to drive the BLDC motor and I have STM32F411 Nucleo-64 and L6230 BLDC motor expension board. I wanted to interface the motor and integrate the QEI encoder feedback with the same kit

Could anyone please share coding or tell me now I can interface the QEI signals with STM32F411 Nucleo board.

Battery life estimation calculator

Hello,Does anyone know the formula used to calculate the life of the battery?She uses self-discharge in the calculation.Thank you

I have a question about STEVAL-IHM023V3. I would like to run the 24VDC BLDC motor and 300VDC BLDC motor by using STEVAL-IHM023V3. Could you give me kind and detail explanation about range of the motor and the configuration?

In my 3 phase inverter design i need to increase the current rating. So i decided to parallel the mosfets to attain high current rating. I came across the" paralleling mosfets pfc " and even more datasheet. Is this circuit correct

Using a Viper12 to run leds over 50-1000V range

Hi im struggling with a circuit im designing, im trying to run 3x 24V indicators using a Viper12 circuit. Ive set the circuit up as below:The idea is that the pre circuit introduces the Zeners at 650V, offsetting the input to the Viper circuit by 400...

Hi, Has the Field Oriented Control (FOC) firmware of the STEVAL-SPIN3202 these following features? - Regenerative (recharge battery when braking) - Active braking - Anticogging - Active freewheeling Many thanks, Alex

Automotive rated part or not ?

Hi all,Can anyone please confirm if the following parts are AEC-Q qualified or not?VNH7070ASTRVNH5050ATR-EVNS3NV04DP-EVND5E006ASPTR-EVNQ7050AJTRThanks in advance.Regards,Saikumar