Power management

Discuss power management solutions. Ask questions and find answers on voltage configurations, short circuit protection, and programming.

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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
  • 11114 Views
  • 22 replies
  • 23 kudos

STC3100, can't write register (no last ACK)

Hi,I'm facing some really weird problem with STC3100. After powerup I try to enable operating mode by writing 0x10 value (GG_RUN bit) to register REG_MODE at address 0x00. I2C address is 0x70 as default. STC3100 sends ACK for I2C address, also for re...

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EDust by Associate
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  • 5 replies
  • 0 kudos

PSI5

Hi everyone, I am trying to establish communication between the L9663 and an airbag sensor using PSI5. However, the behavior I observe on the oscilloscope is shown in the picture, with ramps instead of clear pulses. Since PSI5 uses the same wire to s...

Resolved! How to purchase STDES-WBC86WTX and STDES-WLC38WA board ?

Hi all,I am designing a wearable device with wireless charging.I have consulted the STDES-WLC38WA solution for the receiver circuit.Now I want to buy STDES-WBC86WTX and STDES-WLC38WA (images in the attached) for testing first, but I found they are no...

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HiepLe by Associate II
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  • 2 replies
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STWBC86 Default Firmware

Hello,We are designing in this part on a new board and I am trying to find out if the factory vanilla part is shipped with working firmware or not? I have not been able to find any definitive information on this. I would generally expect a part like ...

Resolved! STSPIN240 Logic input voltage

Hi, the STSPIN240 datasheet states that the absolute maximum ratings for logic input voltage should be between -0.3V and 5.5V. However, it is unclear whether the logic input voltage can exceed VS.Can the logic input voltage exceed VS?Thanks,

L9305 SPI example

Hello There, Where can I find the example code for interfacing L9305 through SPI? Please suggest some sample Code.  

Shapan by Associate
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  • 0 replies
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Compact Wireless Charging?

Hi All, I'd love to add Wireless Charging to a project that is particularly space constrained!I've found the WC Receiver STWLC38 which ticks a lot of boxes, but requires a lot of external components. Has anybody used this successfully?What is the min...

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BenG142 by Associate II
  • 607 Views
  • 1 replies
  • 0 kudos