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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
  • 9453 Views
  • 20 replies
  • 18 kudos

L6599AD latched shutdown

Hi.I am using the L6599AD without PFC.When a latched shutdown occurs, the reset condition requires VCC power to fall below UVLO.I'm using an offline high voltage buck ic to make 15V for the VCC power.The problem here is that the L6599AD has a small c...

JK5 by • Associate II
  • 394 Views
  • 1 replies
  • 0 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
  • 1217 Views
  • 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
  • 949 Views
  • 2 replies
  • 1 kudos

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,

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