Power management

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

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VNL5030J-E Propagation Delay failing

Hello STmicro Team, I have done a propagation delay analysis using VNL5030J-E. The Delay-on time, rise time and delay-off time does not matches with the datasheet Values. Please check and let me know your feedback in this. I am attaching here the sna...

Priya2_0-1713251124360.png
Priya2 by Associate
  • 1744 Views
  • 1 replies
  • 0 kudos

Resolved! L7905CD2T PCN

Request any history on PCN for the L7905CD2T

PB65 by Associate
  • 1575 Views
  • 2 replies
  • 2 kudos

Resolved! power MOSFET spice models

I am trying to get the spice model for STW3N170  MOSFET, it does not seem to be with the other info for the devive.Any help appreciated. Paul

PDB_IW by Associate
  • 3171 Views
  • 3 replies
  • 3 kudos

STPM32 RESET

Hi,We are using STPM32 with LPC controller, when observing the startup reset pulse we are getting as in the picture attached. Both SYN and SCS pins are initialized high but when powered on SYN is coming low for some time then it is taking 35ms delay ...

IMG_20240417_102909.jpg
KTH by Associate
  • 984 Views
  • 0 replies
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ST8R00WPUR boost converter output temporarily drops under load

Hello, I am having a problem with a design using the ST8R00WPUR.The input is 5v, the output is 10.5v, the load is 22 ohms (477mA).The problem is that the output drops below 3v for 200ms when the load is applied, before returning to 10.5v. The problem...

jk1099_0-1713282057869.png 3lxu.png 51lb.png 3inhl3.png
jk1099 by Associate
  • 664 Views
  • 0 replies
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Resolved! L9026 Device ID Value

Recently started working on the L9026 Device,  as an initial setup, trying to read the Device ID.   With The L9026 Evaluation board Device ID is read as 0x55, With L9026 Placed on the Our Target Board, Device ID is read as 0x56,  Was surprised with t...

Resolved! L99MH98

I would like to know the working principle of the charger bump for MH98, as well as the working principles of CPOUT, CP1, and CP2. Why can the voltage of the bootstrap capacitor reach 11.3V when VDH = 6V? In other words, why can the voltage of CP rea...

Resolved! LDL212PUR bypass capacitor requirements

Hi all. The data sheet for the LDL212PUR low dropout linear regulator does nor specify the quality of the input and output bypass capacitors with regard to ESR or loss tangent requirements.  Most LDO regulators require at least one low ESR bypass cap...

SteveD by Associate
  • 1910 Views
  • 2 replies
  • 0 kudos
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