A3901 データシートの表示（PDF） - Allegro MicroSystems
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A3901 Datasheet PDF : 11 Pages
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A3901
Dual Full Bridge Low Voltage Motor Driver
Application Information
VBB
TSD
IN1
OUT1
IN2
GND
IN3
IN4
CONTROL
LOGIC/
GATE
DRIVE
OUT2
VBB
OUT3
OUT4
10 µF/10 V
Stepper
Motor
Figure 4a. Typical stepper motor control application
IN1
IN2
IN3
IN4
+VBB/Rmotor
IOUT1-2
0A
–VBB/Rmotor
+VBB/Rmotor
IOUT3-4
0A
–VBB/Rmotor
Figure 4b. Full step mode timing chart
IN1
IN2
IN3
IN4
+VBB/Rmotor
IOUT1-2
0A
–VBB/Rmotor
+VBB/Rmotor
IOUT3-4
0A
–VBB/Rmotor
Figure 4c. Half step mode timing chart
Allegro MicroSystems, Inc.
8
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
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