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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As a rookie college student, I wanted to know the calculation.This is a formula that appears in Application Note:AN1089 of L6561.

As a rookie college student, I wanted to know the calculation.This is a formula that appears in Application Note:AN1089 of L6561.I don't know how to calculate the value of Vcomp, and I don't understand the function "root( )"I would like to express my...

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SPV1040 produces little to no output

Same issue as @PK.3 (but I would like the response to be shared with the community :beaming_face_with_smiling_eyes: ) : using a 4 volt OC 425 mA SC series photovoltaic, and SPV1040 with circuit matching STEVAL-ISV006V2 except Rs = 0 ohms and no VR4 (...

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SWagn.1 by Associate II
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Hello, I have a question about the STWBC. After the charge is completed the EPT CHARGE COMPLETE will show up in the protocol screen in the GUI. Once the device is charged the charger will not come back into ping status.

After a the device is charged the stwbc needs a power cycle before the it will come back in ping status. Is it possible to set the charger always into ping status after a charge is completed with the parameters?Thanks in advance, Marco

MSool.1 by Associate
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Snubber for a TRIAC controlled by phototriac

Hello, I'm designing an AC switch with a TRIAC. This TRIAC is controlled by a phototriac. The following connexnio is used : R1 and C1 is a snubber to protect the phototriac.   Is this case, is it necessary to add a second snubber (see below) to prote...

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Vvedr.11 by Associate II
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Resolved! Can not set L6470 register

Hello, I am trying to use L6470 for stepper motor control.I tried to change L6470's step mode register from 0x07(reset value) to 0x05.But when I read it back after I sent a command, its value was the same.I use 6 L6470 chips but this problem happened...

Jhan.1 by Associate II
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