A3989SEVTR-T Allegro Microsystems Inc, A3989SEVTR-T Datasheet - Page 8

• Manufacturer Part Number: A3989SEVTR-T
• Description: IC, MOTOR DRIVER, STEPPER, 1.2A, QFN-36
• Manufacturer: Allegro Microsystems Inc

Specifications of A3989SEVTR-T

• Motor Type: Stepper
• No. Of Outputs: 3
• Output Current: 1.2A
• Output Voltage: 36V
• Supply Voltage Range: 3V To 5.5V
• Driver Case Style: QFN
• No. Of Pins: 36
• Applications: DC Motor Driver, Stepper Motor Driver
• Number Of Outputs: 2
• Voltage - Load: 8 V ~ 36 V
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 36-VFQFN Exposed Pad
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 620-1183-2

A3989
Phase 1
Phase 2
(%)
(%)
–100.0
–100.0
100.0
–33.3
–66.7
100.0
–33.3
–66.7
66.7
33.3
66.7
33.3
0
0
Step Sequencing Settings
* Denotes modified step mode
Full
1
2
3
4
1/2
1
2
3
4
5
6
7
8
Bipolar Stepper and High Current DC Motor Driver
1/4
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
Figure 5. Decay Modes for Quarter-Step Increments
(%I
Phase 1
100/66*
100/66*
100/66*
100/66*
100
100
100
100
100
100
TripMax
33
33
33
33
0
0
)
L/H*
L/H*
L/H*
L/H*
I01
H
H
L
L
L
L
L
L
L
L
L
L
I11
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
PHASE
x
1
1
1
1
1
1
1
x
0
0
0
0
0
0
0
(%I
Phase 2
100/66*
100/66*
100/66*
100/66*
100
100
100
100
100
100
TripMax
33
33
33
33
0
0
)
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
L/H*
L/H*
L/H*
L/H*
I02
H
H
L
L
L
L
L
L
L
L
L
L
I12
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
PHASE
X
X
1
1
1
1
0
0
0
0
0
0
0
1
1
1
8