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
  • 9512 Views
  • 20 replies
  • 18 kudos

Resolved! Common mode filter assistance for the PM8805

Hi All,To start, I'm a hobbyist and although I am OK with digital, analogue and the maths surrounding design is beyond me.    I am seeking assistance in specifying the values and component suggestions for the CM Filter as noted in figure 7, page 19 o...

STPM01 IC - Offset Values at Zero Voltage

I have been working, with STPM01 as a peripheral device with my micro controller to develop a e meter. On development with board, on testing on no voltage and no current or in case of voltage ( 220  - 240 AC ) AC and no load current. During these tim...

savanth by Associate II
  • 228 Views
  • 2 replies
  • 1 kudos

AN2761

Hi,We have designed PFC using L6562 referring application note AN2761 on that the auxiliary winding is used only to sense the zero current detect calc. is in Equation 65 but we also need to power the ic using the same winding.Where can i get that cal...

D_N by Associate II
  • 137 Views
  • 0 replies
  • 0 kudos

Resolved! Download STSW-WPSTUDIO

I bought the STEVAL-WLC99RX evaluation board for the STWLC99 Qi 1.3 compatible receiver and cannot find a location to download the GUI to program/monitor the receiver. The page that I am pointed to (https://www.st.com/en/embedded-software/stsw-wpstud...

sedmonds by Associate
  • 1617 Views
  • 6 replies
  • 1 kudos

Low current bypass disable VNF1048

Good morning, We are evaluating the use of the VNF1048. During the test phase the problem arose that despite the MOS being in the open state we detect a current flow, even if minimal, that for our application must be avoided. From our point of view t...

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Resolved! [3D Request] Missing information: X-NUCLEO-IHM04A1

Dear STMicroelectronics Team, Good day. This is Louie from SnapMagic Search. We create PCB footprints, schematic symbols, and 3D models for electronic components. One of our customers is looking to integrate X-NUCLEO-IHM04A1  into their design and ha...

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Resolved! VLxx voltage limit on STPMIC1DPQR

V SWITCH_MIN (VLXx)is measured below the the absolute maximum rating on datasheet (-0.5V).However this limit is momentary ony (7.2 ns) as shown on the measurement.Usually datasheet specifies the minimum DC limit and minimum limit during transient val...

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