A4980LP View Datasheet(PDF) - Allegro MicroSystems
Part Name
Description
MFG CO.
'A4980LP' PDF : 44 Pages View PDF
A4980
Automotive, Programmable Stepper Driver
Pin-out Diagram
SENSA 1
STRn 2
DIR 3
OAP 4
OSC 5
SDI 6
AGND 7
REF 8 Ref
SCK 9
VDD 10 VDD
OBP 11
MS1 12
MS0 13
SENSB 14
28 VBBA
27 RESETn
26 ENABLE
25 OAM
24 CP2
23 CP1
22 VCP
21 PGND
Reg 20 VREG
19 STEP
18 OBM
17 SDO
16 DIAG
15 VBBB
Terminal List Table
Name Number Description
AGND
7
Analog reference ground
CP1
24
Charge pump capacitor terminal
CP2
23
Charge pump capacitor terminal
DIAG
16
Diagnostic output
DIR
3
Direction select input
ENABLE
26
Bridge enable input
MS0
13
Microstep select input
MS1
12
Microstep select input
OAM
25
Bridge A negative output
OAP
4
Bridge A positive output
OBM
18
Bridge B negative output
OBP
11
Bridge B positive output
OSC
5
Oscillator input
PAD
–
Connect exposed tab to ground
Name
PGND
REF
RESETn
SCK
SDI
SDO
SENSA
SENSB
STEP
STRn
VBBA
VBBB
VCP
VDD
VREG
Number Description
21
Power Ground
8
Reference input voltage
27
Chip reset
9
Serial data clock
6
Serial data input
17
Serial data output
1
Current sense node – bridge A
14
Current sense node – bridge B
19
Step input
2
Serial data strobe
28
Motor supply – bridge A
15
Motor supply – bridge B
22
Above supply voltage
10
Logic Supply
20
Regulated voltage
Allegro MicroSystems, Inc.
34
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Share Link: 
