Resolved! There is a prefix “A” added to the part number ESDA5WY
Hi Engineer, I purchased the part of ESDA5WY, and the type number showing on the label is 'AESDA5WY '. Could you suggest the meaning of the letter "A"? Thanks, Gloria
Power management
Discuss power management solutions. Ask questions and find answers on voltage configurations, short circuit protection, and programming.
Forum Posts
STEVAL-ISV019V1 High Battery Current
Hello!I am attempting to charge a 3.7 V Li-ion battery using the SPV1050 on the STEVAL-ISV019V1 evaluation board, but there is a current coming from the battery into VBATT which ranges from 400 uA to 1 mA.The current remains even when no load is conn...
Resolved! LM2904 PSPICE 's symbol
Dear engineer Now, I want to get the LM2904's symbol to simulate in the PSPICE. AS usually , in this window，the symbol will be automaticlly created . but this time ,it does not be automaticlly created。Please help me solve ...
Resolved! STWLC38 will not report Ptx correctly
Hello, I am trying to follow the Getting started with the STEVAL-WLC38RX document for FOD tuning attached. I am using STEVAL-WBC86TX, powered from a bench top PSU, and STEVAL-WLC38RX, connected to an electronic load. Both are connected to the STMGUI...
Resolved! Powering Stm32f407vet6 from metal detector power supply
I have some Pulse induction metal detector analog designs that I want to "digitalize" using a Stm32f407vet6 board. Unfortunately, these designs use the battery positive as ground. My intention is to power the Stm32 from the +5v rail of the detector p...
Recommendations for a Flyback Design Challenge
We are in need of an Isolated Flyback DC/DC Converter design to work with a 24 to 96V battery system. It is to be a 15-140V input to 12V output voltage and, 4-5A nominal 9A peak output current converter. We want to use the Würth transformer "74919654...
Resolved! To get Country of origin (Manufacturing / Assembly / Testing)
Hi team, We are working for redesign board which should not have any China parts, so we are looking for non-China origin / manufactured part.Could you please confirm the below details for LDO part - LDFMPVR1) Country of origin (Manufacturing / Assemb...
Resolved! LDH40PURY
Hi team, We are working for redesign board which should not have any China parts, so we are looking for Non China origin / manufactured part. Could you please confirm the below details for LDO partLDH40PURY1) Country of origin (Manufacturing / Assem...
Resolved! The frequency and duty cycle of the VDS waveform of VIPER267K are constantly jittering.
When measuring my VIPER267K flyback power supply, I noticed that the frequency and duty cycle of its VDS waveform kept jittering. Is this normal? What could be causing this? 
Resolved! Can L9788 be interfaced to a microcontroller via SPI?
Hello all, this post just to know if the L9788 Automotive Engine Management System IC can be interfaced to a microcontroller via SPI instead of MSC bus (single ended interface instead of differential one).Thanks a lot,Regards.AC.
