Power management

Negative Triac supply

Hi,  I have a requirement to drive a Triac from the MCU powered by a DC/DC converter. The AC supply is typ 24 VAC @ Rc terminal with respect to C terminal. The Triac is to be driven as attached. The MCU GND should always regulated at Rc - 3V3. The MC...

Suggestions to me use a 6V panel with SPV1040

Hi Team,I am looking to use a solar panel which gives 6v and I want to use the spv1040 mppt converter.What would you recommend I use with spv1040 as it has a max input of 5.5v. Is using a buck converter before the SPV1040 recommended?Regards,Nilav 

Couldn't configure IDs of L9963e-MCU Eval KIT

hello. I operated the EV KIT with the STSW-L9963E GUI, and checked until the MCU was connected. After that press the "Configure IDs" button and the ACK LED will change from green to red. And then there is no communication. I ran the GUI as written in...

L6470 Wrong final position with "Goto" command

I have an issue with the "Goto" command of the L6470 driver.Sometimes (rarely) I send a "Goto" command to the driver with an absolute target positon, and the driver goes a few steps (1 to 3) further.The driver is set to work in 1/128 steps.After each...

I have a EVAL-L9963E MCU. Can you share the bin file of firmware present in the board.

L9963_evaluation_GUI this software is unable to install in my laptop

when i am installing the software a pop up is coming like "Unable to locate lab view run time engine" i have tried the 1> NI Labview-runtime 2014 2>NI-VISA Run-Time 14and followed all the instruction provided by STSW-L9963E datasheet. But we failed t...

marking LDK220U50R

Hi, we purchased LDK220U50R and received devices with a marking of: 50306.We didn't find any documentation which explains this marking. Did e received the right part number - please tell us, which marking has to be at LDK220U50R. Thank you

STPM34 - PH1 Active Energy register(Address 54)

Please advise on the below issue in STPM32 Active Energy Register.Project details -Single Phase Smart Meter. Input voltage - 240VAC and Current - 60A max.Interface - Wifi.Issue - PH1 Active Energy register(Address 54) of STPM34 is overflow once the E...