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
  • 18459 Views
  • 23 replies
  • 32 kudos

SPV1050 standby current

Dear allI have built up the circuit of STEVAL-ISV019V1. I want to conserve power over one night in a supercap connected to VSTORE. With the 3V3 LDO enabled but no load present, the SPV1050 seems to draw about 7-8uA.Is it possible to bring it down to ...

L6981(C50DR) dies on hard switching of input power

Hello everybody,I'm using an L6981C50DR for supplying a small board with 5V. The schematics is attached and should be perfectly conform to what is described in the specification from https://www.st.com/resource/en/datasheet/l6981.pdf as "Figure 4. Ba...

Resolved! TCPP03 Vgs low with 1.8V EN

Hello,I created a custom board using the TCPP03-M20, based mostly on the NUCLEO H7S3 schematic.The only differences are:* My uC is using 1.8V, so the EN pin only gets 1.8V* VCC_VCONN is supplied with 5V instead of 3.3V* I use a single power path (usi...

STNS01PUR LDO no output

Hello ST,Im using STNS01 as a power source in two of my different project prototypes. Unfortunately booth are facing the same problem. When the pcb was produced LDO/charger worked as intended. However after many battery and usb disconnection durring ...

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Orgo by Associate
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  • 2 replies
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Inquiry about SIMPLIS or SPICE model for STDRIVEG600

Hello,I am a graduate student working on power electronics research.I am using STDRIVEG600 in my experiments and simulations.I would like to ask if any simulation model is available for STDRIVEG600.If available, please advise how I can obtain it.Than...

lanrain by Associate
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STWLC38 register addresses and saving

Hi all,I have a board designed using the STWLC38 as the Qi Rx. An ESP32 is the host controller using I2C to configure the STWLC38. The communication works OK and I can set and read various registers.I have two questions on this configuration:The STWL...

NickA by Associate II
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Resolved! STM6710 Adjustable Threshold

Hi,I am looking to use the STM6710DWB6F as a quad-channel voltage supervisor, specifically for 3.3V, 5V, 6V and 12V rails.  The datasheet specifies V1IN = 5V, V2IN = 3.3V, V3IN = 1.8V, and V4IN = adjustable.  It seems obvious use V1IN and V2IN direct...

Resolved! identify this part - "BEX" ?

From what I can read on this diode it is from ST for sure, and it says G beside the logo, the next line is BEX, and the last line is GP048.   Any help would be appreciated  

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DRV by Associate
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  • 2 replies
  • 1 kudos

Using STEVAL-IPM15B as both inverter and rectifier

We are students that are trying to make a multi frequency power system interconnection model with a dc link similar to real life back to back hvdc, and we need a converter that supports bidirectional power transfer, is it possible for STEVAL-IPM15B t...