Wireless Charging solution Wiki
This Topic is used for Wireless Charging solution 1.Mcu C drive code: GitHub - STMicroelectronics/STWirelessCharging-C-Drivers: Standard C platform-independent drivers for wireless charging ICs
Power management
Discuss power management solutions. Ask questions and find answers on voltage configurations, short circuit protection, and programming.
Forum Posts
SPV1050 Res and Cap Equations Help
Posted on October 31, 2017 at 00:52Hi,Please see schema below.With this circuit the cells in series are creating ~ 0.82V in office lighting.LDO2 output is only 0.5v. This does not seem right. :)Can anyone at ST help with correct selection of R1-6 s...
Viper 16LD, Non Isolated Buck Regulation issue
Posted on October 26, 2017 at 09:18The output Voltage expected is 6V and output is constant for 110VAC input. But the output is turning ON/OFF for 220V input. Please let me know to resolve this issue.
STEVAL-ISW001V1 Inverter Arc Welder
Posted on January 10, 2017 at 10:59Hello!Has anyone worked with the STEVAL-ISW001V1 demoboard or has designed an inverter welder based on the demoboard schematics? My design is working well in normal operation but I have some issues with the short-c...
Resolved! Which parts are pin compatible replacements for the VN7140AJTR?
Posted on October 16, 2017 at 21:17Hello,I need to find suitable alternatives to the VN7140AJTR that can swapped in with zero board changes.Is there a complete list of replacement parts available?It looks like the VN7040AJTR is a pin compatible repl...
2x L4981A
Posted on October 19, 2017 at 09:15HI,I have to build a 3KW PFC. The main points are:- 3KW- AC and DC operation- Analog Design, no SoftwarePreferd:- CCM- InterleaveIs there an expaple how to use 2x L4981A wit extrnal out of phase synchronisation and...
Does L6482 regulate torque when we use STCK input?
Posted on October 16, 2017 at 11:00I have three doubts about if L6482 regulates the torque when we use STCK input:- If I use this STCK input, does torque regulation run? i.e. Does L6482 regulate torque using R Sense etc, when I use STCK input instea...
How to fine tune the BLDC startup period?
Posted on June 19, 2017 at 15:28HI!I am evaluating a bldc driver setup for a golf caddy with the stspin3201 eval board. The motor has Hall sensor, so I would like to use it, as the main (and preferably) only sensor. Is it a good idea not to use FOC,...
Hard Fault in FOC AC6 Example for Nucleo F466RE
Posted on October 09, 2017 at 15:41I have successful compiled the FOC AC6 STM32F4xx_UserProject corresponding to my 40V BLDC motor with Hall sensors. However, I always get a Hard Fault during 'MCboot' as shown in the attachment.I am quite new for mo...
STLUX385A :There are some problems when I configured a coupled SMED
Posted on October 10, 2017 at 03:41Hi,According to the ''appliction note AN4461'',I configure SMED4 and SMED5 in synchronous coupled SMEDs mode to generate a PWM output (PFC MOSFET driving signal)In RM0380 reference manual, page 191 ,it saysAnd in ...
STBC08 charger state outputs, GPIO, pullups
Posted on October 09, 2017 at 18:36Hi.I have an STBC08 charger IC on a board here. It has two open drain output pins for state: CHARGE and POWER ON. It's this part:http://www.st.com/content/st_com/en/products/power-management/battery-management-ics/...
