Power management

Discuss power management solutions. Ask questions and find answers on voltage configurations, short circuit protection, and programming.

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Forum Posts

Questions about STPM066S

  Hi,  I am currently reviewing the use of the STPM066S. According to the documentation, it seems that one-time programming is required before voltage output is enabled. As I understand it, once the OTP region is written, the change is irreversible. ...

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Resolved! 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 II
  • 171 Views
  • 3 replies
  • 1 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 ...

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...

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
  • 89 Views
  • 0 replies
  • 0 kudos

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
  • 79 Views
  • 1 replies
  • 0 kudos

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...

blovejoy by Associate
  • 125 Views
  • 2 replies
  • 0 kudos

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
  • 176 Views
  • 2 replies
  • 1 kudos

STWBC2-HP develop requestion ?

Hi ST teams,I am currently planning to develop a project using the STWBC2 series. However, I have found that the technical resources available on the official website are very limited. Could you please provide or recommend a more comprehensive set of...

A-Kai by Associate
  • 123 Views
  • 2 replies
  • 2 kudos

LDLL16EN sugested PCB footprint

Dear Forum members. Could you please help me with a .PDF version of the suggested PCB footprint for the LDLL16EN (QFN32L 5x5 mm package) not the Ultra librarian or Samac Sys options. The plane original pdf version. Thank you

Bvan .11 by Associate II
  • 70 Views
  • 0 replies
  • 0 kudos