A3982
DMOS Stepper Motor Driver with Translator
Pin List Table
Name
Description
Number
1
OUT2A DMOS Full Bridge 2 Output A
SENSE2 Sense resistor for Bridge 2
2
VBB2
Load supply
3
OUT2B DMOS Full Bridge 2 Output B
ENABLE Logic input
4
5
PGND
PGND
CP1
Power ground
6
Power ground
7
Charge pump capacitor 1
Charge pump capacitor 2
Reservoir capacitor
Regulator decoupling
Logic input
8
CP2
9
VCP
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
VREG
MS1
RESET Logic input
ROSC
VDD
Timing set
Logic supply
STEP
REF
Logic input
Current trip reference voltage input
PGND
PGND
DIR
Power ground
Power ground
Logic input
1OUT1B DMOS Full Bridge 1 Output B
VBB1 Load supply
SENSE1 Sense resistor for Bridge 1
OUT1A DMOS Full Bridge 1 Output A
Allegro MicroSystems, Inc.
9
115 Northeast Cutoff, Box 15036
26184.28B
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
ALLEGRO [ ALLEGRO MICROSYSTEMS ]
