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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  • 22 replies
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Resolved! droput voltage for LDL1117

I just bought 10 pcs of LDL1117S33R which i plan to use them to power 3.3V modules form a 4V regulated source.According to the data sheet the typical dropout is 350mV and max is 600mV @1.2A. My module consumes less than 500mA, so i expect to have eno...

ves011 by Associate II
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  • 11 replies
  • 5 kudos

Wireless power transfer to rotating collector

(Split from: https://community.st.com/t5/power-management/induction-cooktop/m-p/731743) Hi everyone,I am wondering if anybody can help on an improper use of the induction cooktop .I've received an ST email featuring the STEVAL-KITXCB and it is very i...

Resolved! Induction Cooktop

Hi I'm looking for application note and design sources for STEVAL-KITXCB -Induction cooker Please share if anyone have this . Thanks

Resolved! Start up L6981(C33) problems

I'm using the L6981C33DR bug converter to convert 24V (from an SDR-120-24 power supply) down to 3.3V. However, I've had instances where the regulator overheats and "exploaded".The circuit only needs to supply around 100mA at startup, so the current d...

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Chris_SA by Associate II
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  • 7 replies
  • 1 kudos

Issue with STUSB1700 Negotiating BMS with SYNC

Hello,I am currently integrating the STUSB1700 into a custom circuit board design. However, I am facing an issue where the STUSB1700 is unable to negotiate the Battery Management System (BMS) with the SYNC protocol.To provide more context:The Saleae ...

VNF9Q20F and VNF1048FTR: How to get I2t Curve

Hello,I am working with these two IC's to try and create an SPI programable power distribution module. For the VNF9Q20F I understand that you set Inom and Tnom to get your desired curve. My question is how do you know what Tnom you would need to sele...

Bogdan14 by Associate
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  • 0 replies
  • 1 kudos