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SPMD250STP Scheda tecnica(PDF) 21 Page - STMicroelectronics

Il numero della parte SPMD250STP
Spiegazioni elettronici  2.5 A bipolar stepper motor drive module
PDF  29 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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SPMD250STP Scheda tecnica(HTML) 21 Page - STMicroelectronics

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SPMD250STP
Multi modules application
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10
Multi modules application
In complex systems, many motors must be controlled and driven. In such a case more than
one SPMD250STP must be used.
To avoid chopper frequencies noise and beats, all the modules should be synchronized.
If all the motors are relatively small, the fast decay may be used, the chopper frequency
does not need any adjustement and Figure 17 shows how to synchronize several modules.
When at least one motor is relatively large a lower chopper frequency and a slow decay may
be required: In such a case the overall system chopper frequency is determined by the
largest motor in the system as shown in Figure 18.
Figure 17.
Multimotor synchronization, small motor and fast current decay
SPMD250STP
SPMD250STP
SPMD250STP



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