Power management

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

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STEVAL-BMS114TX wiring for unmounted cells

Hello everyone,My apologies if this is in the wrong forum. I have a STEVAL-BMS114TX evaluation board and I'm wondering what to do with unmounted cells, since my pack is 5s. The datasheet for the L99BM114 says to short the unused PCB connectors togeth...

kl1 by Associate
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LLC part hardware requirement for 24V,10A using STNRG012

Hii everyone,I am  designing  AC-DC board using STNRG012 IC and  used EVL012LED evaluation board for reference purpose and we are facing some  isuess1. We design input voltage range from 90-305VAC.2. PFC boost voltage range would be 450V.so which par...

OT1119 by Associate
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Resolved! PWM driving of Inductive Loads with VND5T100LAJ-E

Hello,I am evaluating the VND5T100AJ-E for an automotive application where I need to drive a 24V contactor. My design requirement is i need to drive the IC through the PWM signal as input.I have reviewed the datasheet but do not see explicit PWM freq...

ST1L05CPU33R chip marking ?

 good morning!Where can I get information about the datacode of such a chip ST1L05CPU33R?There is no information about the marking in the technical documentation.

L9916 Programming Mode

We are evaluating the L9916 IC and need to test it with different settings. We are following the information in the Datasheet and the Programming App Note. We keep the IGN, PHASE and LAMP pins at 0V right until the moment we send the ignition sequenc...

simeoni by Associate
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L4981B controller for use with 115V, 400Hz ac input

Planning L4981B as PFC controller as pre-stage to our DC-DC Convertor.Will this controller work with 400Hz can it be able to maintain unity power factor in 400Hz line as it does for 50/60Hz?Any other PFC controller recommendations will be appreciated