Power management

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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    

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willzhou by ST Employee
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L7980 / L7981 Sync pin capacitance?

I'm building a power supply and hoping to use 3 or 4 of the L7981 chips. I'd like to synchronize them using a single MEMS oscillator IC but need to make sure I don't need a clock splitter / buffer. As far as I can tell, the datasheet does not mention...

MElle.1 by Associate
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Resolved! Why Vreg 12 Volt is not produced STSPIN32F0?

I have made a custom board using STPIN32F0. When I have placed all the components on board and Powering UP using 24V supply, the 12V Regulated Voltage is not produced.Any specific reason?Does it remain in standby Mode?What is the minimum requirement ...

viper22 simulation in pspice

HiI want to use viper22A in the design of the battery charger. But to start, I want to simulate the circuit in the pspice . To simulate the IC, I have a problem with the specifications of the internal oscillator ( for example amplitude ) . Please gui...

Spour.1 by Associate
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Unable to flash STEVAL-ISB045V1 firmware

Hello,I accidentally flashed the EVALSTWBC-EP firmware on a STEVAL-ISB045V1 evaluation board. I'm connecting it through a STEVAL-WBCDNGV1 serial dongle. Unfortunately, the serial dongle is powering down as soon as I connect the STEVAL-ISB045V1 board ...

KJOLY.1 by Associate
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Resolved! Brightness control in LED1642GW

Hi everyone, I've written this little python script to control the brightness in several LED1642GW drivers connected in daisy chain. According to their Application Note, at page 4, it says you have to send 16 words of 16 bits where the first 15 must ...

JFern.5 by Associate II
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L6470 always in stepclock mode

Posted on April 24, 2014 at 13:30Hey everyone, I am using a 6470 attached to the STM32F0-Discovery which basically works fine. THe only thing is, that when accelerating and decelerating the stepper is shaking all over the place, even losing steps du...