Discuss power management solutions. Ask questions and find answers on voltage configurations, short circuit protection, and programming.
We are evaluating the L9916 IC and need to test it with different settings. We are following the information in the Datasheet and the Programming App Note. We keep the IGN, PHASE and LAMP pins at 0V right until the moment we send the ignition sequenc...
Planning L4981B as PFC controller as pre-stage to our DC-DC Convertor.Will this controller work with 400Hz can it be able to maintain unity power factor in 400Hz line as it does for 50/60Hz?Any other PFC controller recommendations will be appreciated
I am designing a LED driver board for an industrial instrument and am evaluating the ST1CC40 as a constant-current buck driver for the following application: Application requirements:• Input voltage: 5V DC (regulated)• LED: Cree XLamp XP-L2 white LED...
Hello,I used the SPV1050 chip to connect the circuit to the STEVAL-ISV019V1 evaluation board, and measured VSTORE to be 3.9V, which did not reach VEOC and naturally did not have LDO2 output. I use the STORE pin to power my sensor node load. May I ask...
Dear STM Team,Greetings!!I am writing to request you to please support in my PCB design review, as attached.I made a prototype board based on the simulation result for my 48V to 12V20A DCDC Converter requirement by using the e-design suite platform.K...
I have some questions regarding the L78M05AB regulator IC.1. Could you please investigate the temperature at which this IC's the thermal protection actually activates?2. I have been informed that the thermal protection mechanism shuts down the output...
Hello ST Team, could you please provide the marking code for LD59015C33R? Where can i find it on my own? A register to verify parts by codes would be great. Thanks Thilo Roth
[Moderation] Separated from the previous thread, as the STEVAL-ISV019V1 is a different topic. Hi,As the questioner mentioned, the voltage measured on the STORE pin is about 2.416V. Should we charge the battery at this time? What conditions can raise ...
Dear ST community, I'm reviewing the Vac sense circuit of STEVAL-7BIDIRCB, where the circuit uses a resistor divider to generate a low voltage of VACN and VACL for MCU. I simulated this section of circuit in LTspice, and here is my result : My Vac in...
Are there any more resources to understand how to use STEVAL-HARVEST1, how does the energy flow from super capacitors to the MCU and also the back up capacitors. I feel few things are missing the schematic and the user guide. I want to first implemen...
