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. If your wlc chip i2c is ok but GUI can not connected...

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willzhou by ST Employee
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Why are L6599 and mos-switch on the circuit board damaged?

Mass production is normal;There is no short circuit from pins of element;Some resistance are damaged;The voltage stabilizing diode of VCC pin is damaged;The drive signal of the switch tube is normal;The temperature of the switch tube and L6599 is nor...

XZeng by Associate
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L6470: Linear Coordinates

I’ve made a T-Bot similar to this http://www.buildlog.net/blog/2017/10/the-midtbot-a-new-flavor-of-h-bot/ design. Using stepper motor driver L6470, I can control the movements e.g. up/down, left/right and diagonally using the equations shown here htt...

STC3100 VCC to GND short

Hi, I designed battery powered circuit using STC3100 as battery monitoring. I started soldering the prototype and it appears that there is a short between VCC Pin and GND. (Short seen with a multimeter, I did not connect the battery, so I dont expect...

adami by Associate
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Information and waveform plots missing for L9758 datasheet

Hi,Can we have some more data for L9758? Datasheet provides very less information. Typical application schematic (external components values/part numbers)Typical performance characteristicsStart-up, efficiency, shutdown, load and line transients wave...

FCuti by Associate
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Information and waveforms plot missing in L9945 Datasheet

Hi,Can we have some more data for L9945? Datasheet provides very less information. Some timing waveforms for all 8 channels(or may be only one channel, which can be replicated for the other 7 channels). Functional block diagramTypical application sch...

FCuti by Associate
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Chip markings on the STSPIN32F0A

I recently purchased these from element14: https://in.element14.com/webapp/wcs/stores/servlet/ProductDisplay?catalogId=10001&langId=91&urlRequestType=Base&partNumber=2797963&storeId=10186.The ones I got show this as the chip marking: https://i.imgur....