Power management

What is the cause of spur near 1KHz when using LNBH26 power?

STC3115 RelaxCurrent Value I would like to know more information about this value because in the driver this define by tha capacity of the battery / 20 and in the AN4324 is /10 !!! What is the goal of this value ? Best regards David

Behaviour of STATUS pin at the VNQ860-E device?

Is the STATUS pin at the VNQ860-E device an input or an output. By reading the datasheet I am a little confused, because the function of the the pin is not really in-depth explained.

unknown diode tvs? marked Vishay logo polaritetsstreker. ED 11.

Hi, I would like to know how to setting the I2t of the VNF1048F, what is the formula. thanks!

ST1S40 Max Current Problem On Different DC Sources

I made an DC-DC buck with ST1S40 in the simulations my output current is normal max 3A but in PCB i cant Load with 3A while using Chroma 6703.When i use my normal DC power supply i can Load with 3A and its not collapsing.I use GWINSTEK PEL-3041 Elect...

L99DZ100GTR labels & Top markings

Dear Support,For this part, there are 2 labels of 2022 D/C, and 2 different marking. are these two original labels are valid? Why are there two different labels? 

Driving LED1 signal on STPM32(electric meter ic) by STM32F1x

Hi guys,I connected STPM32 evaluation board (UART mode) to STM32F103 board. I use of stpm32 firmware from st.com. and it work. I can measure and read rms voltage, rms current, active energy and.... . but when i set pulse/kwh LED on stpm32, I have be...

Reading from STPM32 ic by STM32F103. is it an Error?

Hi Guys,I use STM32F103 with STPM32(single phase electric meter ic) evaluation board. i used of stpm002 firmware to connect with stpm32 and read measured data from it. like RMS voltage and.....  I want activate LED1(It connected to pin 4 of STPM32) ,...