A3989 Allegro MicroSystems, A3989 Datasheet - Page 9

• Manufacturer Part Number: A3989
• Description: Bipolar Stepper and High Current DC Motor Driver
• Manufacturer: Allegro MicroSystems

A3989
Logic Timing Diagram, DC Driver
OUTA
OUTB
I
OUT
MODE
ENB
PH
0 V
0 A
V
V
0 V
BB
BB
A
OutA
Charge Pump and VREG Power-up Delay ( 200 µs)
Bipolar Stepper and High Current DC Motor Driver
3
A
1
5
2
4
V
BB
1
OutB
2
3
OutA
4
5
8
6
6
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
V
BB
7
9
7
OutB
8
9
9