Power management

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

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Wireless Charging solution Wiki

This Topic is used for Wireless Charging solution 1.Mcu C drive code: GitHub - STMicroelectronics/STWirelessCharging-C-Drivers: Standard C platform-independent drivers for wireless charging ICs    

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willzhou by ST Employee
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  • 22 replies
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Resolved! Viper265KD - How can I make a 5V design with this IC while it's VDD treshold max is 14V and supplied from output voltage.

I have a 85-265AC input and desired to have 5 volt output buck converter.How can I make the viper265kd to perform 5V output?When I check AN5380 the VDD is supplied by output voltage which is 15V and it's enough to supply VDD min requirements.I need 5...

Cocal.1 by Associate II
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  • 1 replies
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Resolved! STSPIN840 EN/FAULT pin management

Hello,​I have some question about use STSPIN840.Page 19 in datasheet, R_EN and C_EN's value are 39KΩ and 10nF.In the graph that is the basis of the recommended value, the value of V is 3.3V.​Also in page 18, FAULT and EN pins in MUC are tied Driver's...

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Resolved! Stepper motor moves To and Fro

Hi,We have used L6208 for driving bipolar stepper motor in our application. We would like to run the motor in full step mode. We implemented the circuit given in the datasheet on our PCB. When we program and try to drive the stepper motor, the shaft ...

RP.3 by Associate II
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  • 6 replies
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Resolved! ST1S14PHR failure

Hello everyoneWe use ST1S14PHR to reduce from 40V input to 15V output. 15V are used to drive Mosfet (BLDC Motor Control). Lately we had a lot of problem with ST1S14PHR, because some parts failed during on field operation. We cannot understand what is...

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