Power management

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

Resolved! Request MTBF data for STUSB4700QTR

Hello.I would like to request MTBF data for STUSB4700QTR at the request of the client company.I would appreciate it if you could reply.

Need help with a custom USB-C device

Hi,I am trying to develop a custom USB-C based sensor accessory device for phones and tablets. Overview : 1 x USB-C male plug that will directly connect to a tablet, the accessory device will get power from the tablet, and a STM32F411 will send conne...

Resolved! STD10P10F6

Edit by ST Moderator: This post has been translated from Japanese to comply with the ST Community Terms and Conditions (§10.2).. STD10P10F6 I would like to ask a question about the following. Do you have documentation showing the location of this com...

Precision voltage reference with low 1/f noise

Hi all, I am looking for two voltage references to produce two rails ( positive and negative) with low frequency noise.The voltage reference does not need to have a tight output voltage accuracy and long term precision. It needs to be stable over a 1...

L6920D what happens if Vin = Vout

Hello,what would happen if I have a fixed 5V output L6920D boost converter and the input voltage is 5V. Will it just pass through?Thanks

Resolved! Inquiry, powering EVSPIN32G4 with 6V & current sensing

Dear Community,We are considering using the STSPIN32G4 to integrate and control the motor in our system. The primary reason for selecting it is that our battery supplies 6V-8.4V, which falls within the STSPIN32G4's 5.5V-75V range.We have a few questi...

Minimum supported load for VNI4140K and VNS3NV04D S

Hi.. Please help me with the minimum supported load current for the IC's: VNI4140K and VNS3NV04D S

SMPS power supply Design

How to write software code to design 2 KW fully digital AC / DC power supply by using STEVAL -1SA272v2 Evaluation board. After writing program how I can design SMPS.

Resolved! The A7987 chip output terminal has high pulses

The output status of A7987 chips varies from batch to batch. We purchased materials from different suppliers, and one batch will have a high pulse of about 7V after recovering from a 5V short circuit, while the other batch will have a high pulse of a...