Individual Board Specification; Speed Closed-Loop Control - Toshiba TB6605FTG Reference Manual

MCD Evaluation Board for Pump Motor Control Reference Guide

7. Individual Board Specification

7.1 Speed Closed-loop control

• Additional parts are introduced
– The Speed control part realizes the closed loop by using PI control
The VSP is used to determine the target speed
•
The LA voltage is used as a feedback signal to represent current speed
•
The Dif-in is used to adjust output duty to control motor speed
•
PWM-in should be connected to GND
•
Startup control part
Speed control part
PI
VSP
START
HC+
TB6605FTG
PWM-in
FET
Dif-in
LA
OUTA
OUTB
OUTC
+
HA+
HB+
HC+
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Motor
Hall IC signal
convertor part
13