Power management

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

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VN7003: Short circuit protection failure

Dear ST Technical Support,I would like to inquire about the short-circuit protection behavior of the VN7003ALH high-side switch.Application: Board with 6× VN7003ALH outputs.Configuration: 24V supply from 200Ah lead-acid battery. Output wiring: 1.5m o...

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Minloud by Associate
  • 167 Views
  • 2 replies
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Resolved! 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. ...

soulshine_0-1768541343100.png soulshine_1-1768541480561.png

Resolved! STSPIN840 minimum voltage for the SNS comperator

Hello, I'm currently designing a BDC-motor controller with the STSPIN840 and was wondering how low I can go with the current sensing resistors to minimize the losses across those resistors. Especially at higher currents in parallel mode the resistor ...

tbe by Associate
  • 166 Views
  • 2 replies
  • 1 kudos

Resolved! EVALSTGAP2HS

I purchased the EVALSTGAP2HS board for evaluating STGAP2HS gate drives. I'm disappointed in the available documentation for this board, but finally I deduced that the only correct way toconnect devices is as shown in the figure I'm a bit puzzled by ...

EVALSTGAP2HS.png EVALSTGAP2HS-PLACE.png

configure SPSB081 watchdog

Hello, We are currently integrating the SPSB081 PMIC for voltage and wake-up management in a Body Control Module (BCM). The PMIC is interfaced with an NXP S32K312 MCU via SPI.System Setup:MCU: NXP S32K312 (100-pin package)PMIC: SPSB081Communication: ...

AKP7711 by Associate
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  • 1 replies
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Resolved! PM8805 - Potential Damage to Active Bridge FETs

We are currently using the PM8805 in our PD (Powered Device) design.We have recently encountered field failures and suspect that the root cause lies in the customer's testing process.Our customer was using a Passive DC Injector (55V DC Supply) instea...

doshimy by Associate II
  • 221 Views
  • 4 replies
  • 2 kudos

Resolved! L4946A gives good PFC in discontinuous mode?

Hi,We wish to do a Boost PFC with L4986A and a  30uH inductor.Power is 2200W and Mains is 85-265VAC.When the mains is at 240VAC,  the inductor current would be discontinuous for some 80% of the mains half cycle.Is this OK?Will the L4986A be able to c...

amass.9 by Associate II
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  • 1 replies
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Resolved! 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
  • 218 Views
  • 1 replies
  • 0 kudos

Resolved! STEVAL-STPM801 inductor values ? (L2 and L4)

Both the BoM and Schematic (in the Data Brief) do not show the part numbers or values for L2 and L4 on the STEVAL-STPM801 ORing circuit.  Which inductors are used on the reference design?   Thank you. 

LostIon by Associate
  • 131 Views
  • 1 replies
  • 0 kudos