A4983SETTR-T Allegro, A4983SETTR-T Datasheet - Page 15

• Manufacturer Part Number: A4983SETTR-T
• Manufacturer: Allegro

A4983
Terminal List Table
*The GND pins must be tied together externally by connecting to the PAD ground plane
under the device.
SENSE1
SENSE2
ENABLE
RESET
OUT1B
OUT1A
OUT2A
OUT2B
SLEEP
VREG
ROSC
Name
STEP
VBB1
VBB2
GND
MS1
MS2
MS3
VDD
CP1
CP2
VCP
REF
PAD
DIR
NC
DMOS Microstepping Driver with Translator
7, 20, 25
Number
3, 18
10
12
13
14
15
16
17
19
21
22
23
24
26
27
28
11
ENABLE
4
5
6
8
9
1
2
–
OUT2B
GND
VCP
CP1
CP2
NC
1
2
3
4
5
6
7
Pin-out Diagram
Charge pump capacitor terminal
Charge pump capacitor terminal
Reservoir capacitor terminal
Regulator decoupling terminal
Logic input
Logic input
Logic input
Logic input
Timing set
Logic input
Logic supply
Logic input
G
Ground*
Logic input
DMOS Full Bridge 1 Output B
Load supply
Sense resistor terminal for Bridge 1
DMOS Full Bridge 1 Output A
DMOS Full Bridge 2 Output A
Sense resistor terminal for Bridge 2
Load supply
DMOS Full Bridge 2 Output B
Logic input
No connection
Exposed pad for enhanced thermal dissipation*
m
PAD
reference voltage input
21
20
19
18
17
16
15
OUT1B
NC
DIR
GND
REF
STEP
VDD
Description
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
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