Power management

Solar panel charger design using SPV1040

Hello,I’m trying to design a solar panel charger circuit! There will be 6V, 12V or 12V one solar panel and I need to charge the lithium battery 3.7V. A tricky bit is that when 6V solar panel is used, it needs to charge the battery and the battery wil...

EVAL6480H-DISC and quadrature encoder application

Hi all,for a stepper based application I've to link the frequency that came from a quadrature encoder to the driving speed of a bipolar stepper motor. This board is equipped by a STM32F105RB processor, I've read inside the RM0008 (the reference manua...

Trying to build spin3202 6 step firmware package in Keil and getting '' error:

Posted on January 24, 2018 at 19:10Hello,Im trying to build the spin3202 6 step firmware packageFor some reason the  STSW-SPIN3202 firmware package is missing the pre compiled binaries mentioned in UM2310 section 2.5.2if I then try to compile Keil p...

Does SMP3100SCMC has Polarity or not ?

As shown in the photo, the polarity of this component was reverse mounting in same location of our products.Please tell me whether this part has polarity. It can not be determined by body marking.Best Regards,Enomoto

What is the turns ratio (primary to secondary) for the Current Trnasformers used in STPM34EVAL evaluation boards?

We have been trialing some of this energy monitoring eval boards to develop an OEM application. To cross-check and validate test results we need to perform some calculations for which I need this transfer ratio value for sensitivity etc. Please help....

L6480 developing tool and compatibility between demo/eval board

Dear Sirs,I've to develop a microstepping application (1/128) and I'm thinking about the L6480 stepper driver. My question is how to correctly start in developing with this driver. Actually I've bougth a EVAL6480H (R1.1) eval board, on this there are...

RHFL7913 application note

Does anyone help me to get application note for RHFL7913. and also block diagram for RHFL7913 SMD5C package.Regards,Swamy M.

Hi i am using the stspin32F0 what is the maximum speed we can achieve using the example code? Is it possible to achieve more than 10000 rpm that is presently set as limit.

hello i want to use X-NUCLEO-IHM08M1 board with NUCLEO-F103RB and X-CUBE-SPN7 does it possible to use?

NCP398MUTBG protection for USB 3.0 TYPE C VBUS design

For the NCP398MUTBG it states that It protects VCONN against overvoltages in applications where VCONN isdirectly derived from the VBUS supply. In my application I am not using VCONN. I am using VBUS of a USB 3.0 TYPE C as the power supply for my desi...