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
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  • 19 replies
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Resolved! STWLC38 driver code

Hi, We have integrated the STWLC38 as receiver for our device. We want to know how to read the registers to know the status of charging, voltage and Current. https://github.com/STMicroelectronics/STWirelessCharging-C-Drivers/tree/main this gives patc...

plawat by Associate III
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  • 3 replies
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Resolved! L6482 GetStatus command

Hi all, I'm using a L6482H on a PCB with STM32F439VIT6 to drive a stepper motor. MCU and driver are connected via SPI. I have an issue with the GetStatus command; when the switch input on the L6482H is closed and the driver receives a GetStatus comma...

Dan_ST by Associate II
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  • 3 replies
  • 1 kudos

Questions about VNB35N07TR-E device

Dear ST Team, I hope this message finds you well.I am currently working on a new design project for [mention the application or product type if applicable] where we are considering the VNB35N07TR-E component. I have several questions regarding this c...

Nazmul by Associate
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  • 1 replies
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TC4469COE713 multi output error

Hello, I purchased this IC and would like to use it to alternately control four different inputs so that the IC’s four outputs can switch sequentially. However, I'm currently facing an issue: I’m only providing input to a single channel, e.g., Ain, b...

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Resolved! LDL212

LDL212-3.3v DFN (2x2) Running Superhot  With LDL212Heat Dissipation (Power Dissipation)The power dissipation PP can be calculated using the formula:P=(VIN−VOUT)×IOUTP = (V_{IN} - V_{OUT}) \times I_{OUT}Where:VINV_{IN} = 6.65V (input voltage)VOUTV_{OU...

USB PD Load Sharing

Hello, we are searching for a USB PD Power Budgeting/ Load Sharing solution. Here an example: Lets say we have 4 USBC PD Ports. All in all they sould be able to source 60W. One port is sourcing 15V/3A=45W, then the remaining 4 should just be able to ...

VH by Associate
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  • 1 replies
  • 1 kudos

Resolved! Voltage regulator to give 2.5V out from 3.3V in

I am designing an interface board where there is an ADC that needs two different power supplies (3.3V and 2.5V). To minimize this board, instead of bringing the two power supplies from outside, I would like to bring only the 3.3V one and through a vo...