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
IN1/3
IN2/4
+VBB/Rmotor
+(VBB–VBEMF)/Rmotor
IOUT1-2/3-4
0A
–(VBB–VBEMF)/Rmotor
–VBB/Rmotor
Forward
Brake
Reverse
Figure 7. Typical dual dc motor control application
Coast
IN1/3
IN2/4
+IREG
IOUT1-2/3-4 0A
–IREG
Forward/
Fast Decay
Reverse/
Fast Decay
Forward/
Slow Decay
Reverse/
Slow Decay
Figure 8. External PWM current control in fast and slow decay modes
Allegro MicroSystems, Inc.
10
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
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