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st6200 motor control

alanlai1
Associate II
Posted on November 12, 2003 at 06:13

st6200 motor control

2 REPLIES 2
alanlai1
Associate II
Posted on November 12, 2003 at 05:33

The attachment is a appnotes

In Page2 of attached pdf , figure1.

Is it the figure right to connect the vcc with neutral?

the neutral is AC voltage source, right?

If yes, is it wrong to connent tpo the vcc ? (vdd pin of MCU)

________________

Attachments :

ST6_-_ST6200C_UNIVERSAL_MOTOR_DRIVE_SOFTWARE.pdf : https://st--c.eu10.content.force.com/sfc/dist/version/download/?oid=00Db0000000YtG6&ids=0680X000006I0Iq&d=%2Fa%2F0X0000000bWx%2FdfbMOvNwCDrju2WvSaB9G4xhKrVKW.fHvBXJM2rt9Nc&asPdf=false
sjo
Associate II
Posted on November 12, 2003 at 06:13

This is ok because it is a transformer-less power supply.

see

http://www.stmcu.com/files/mcu/8313.pdf

for details.

Remember its not isolated, especially if connecting an emulator - use a isolation transformer.

Regards

sjo