A3983 Allegro MicroSystems, Inc., A3983 Datasheet - Page 11

• Manufacturer Part Number: A3983
• Description: DMOS Microstepping Driver with Translator
• Manufacturer: Allegro MicroSystems, Inc.

26184.29A
Pin List Table
*The two GND pins must be tied together externally by connecting
to the exposed pad ground plane under the device.
SENSE1
SENSE2
ENABLE
RESET
OUT1B
OUT2B
SLEEP
OUT1A
OUT2A
VREG
ROSC
Name
STEP
VBB1
VBB2
GND
GND
VCP
MS1
MS2
VDD
REF
CP1
CP2
DIR
Charge pump capacitor 1
Charge pump capacitor 2
Reservoir capacitor
Regulator decoupling
Logic input
Logic input
Logic input
Timing set
Logic input
Logic supply
Logic input
Current trip reference voltage input
Ground*
Logic input
DMOS Full Bridge 1 Output B
Load supply
Sense resistor for Bridge 1
DMOS Full Bridge 1 Output A
DMOS Full Bridge 2 Output A
Sense resistor for Bridge 2
Load supply
DMOS Full Bridge 2 Output B
Logic input
Ground*
DMOS Microstepping Driver with Translator
Description
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
Number
10
12
13
14
15
16
17
18
19
20
21
22
23
24
11
1
2
3
4
5
6
7
8
9
A3983
11