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 2. Python drive code, check attach file "Python_FT260_S...

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willzhou by ST Employee
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  • 15 replies
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A6986F current consumption is more

Posted on August 02, 2016 at 08:37Hi All, We are using A6986 ic our board to convert 12V to 5V, but ic itlsef taking more current, its 3.50 mA. Here i am attaching the my part of schematic. Kindly look at it and let me know what may be the problem.

punitb20 by Associate II
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Interfacing STLED316 with Atmega

Posted on August 01, 2016 at 22:00Hello! With Atmega regular hardware SPI, data transfer is 8-bit. Hence, when asserting commands, followed by receiving/transmitting data from/to STLED, each transmission will look like 2 8-bit packets separated by h...

hexel2 by Associate II
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  • 1 replies
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High voltage input to 7805

Posted on July 29, 2016 at 15:00Hello,We are using L78M05CDT-TR in our design since few years. We are satisfied with the result of product. However we are making new design (PFA) and we considering to use design suggested in datasheet for high volta...

arisence by Associate
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  • 1 replies
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L6920D breaks after battery insertion

Posted on July 27, 2016 at 11:44Dear all,I'm using an L6920d to generate a 3V3 voltage to power up a circuit from 2 alkaline battery. However it happens that sometimes the component breaks after inserting the batteries (its imput impedance go down t...

matteo2 by Associate
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l6470 Speed Register

Posted on April 15, 2013 at 14:25According to Datasheet Reference:In order to convert the SPEED value in step/s, the following formula can be used:[step/s] = (SPEED X 2 –28)/ tickThat would mean that if I would like to work with step/seconds I hav...

ivlasic by Associate
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Fake STPS20H100CT?

Posted on July 09, 2016 at 13:00Does anybody have an idea, is STPS20H100CT on the photo genuine, or just another one China fake?It is suspicious that it is marked with an unusual for ST font and a circle around ''e3'' is rather an ellipse, but the o...

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eugene2 by Associate
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L6235 current control

Posted on July 08, 2016 at 15:40Hi i have a problem regarding the L6235PD. With the EVAL6235N everything works fine. Problem is my own PCB layout. The monostable never triggers the bridge off and the motor consumes a lot of current compared to the e...

L6470 When CS goes low pulls SDI down with it?

Posted on July 05, 2016 at 11:11Hi,I have been using an microchip explorer16 board with the EVAL6470H board and working fine. Swapped over to my design PCB and there is a peculiar fault where when the CS pin is high the SDI at the L6470 works normal...