A3982SLBTR-T Allegro Microsystems Inc, A3982SLBTR-T Datasheet - Page 9

• Manufacturer Part Number: A3982SLBTR-T
• Description: IC MOTOR DRIVER STEPPER 24-SOIC
• Manufacturer: Allegro Microsystems Inc

Specifications of A3982SLBTR-T

• Applications: Stepper Motor Driver
• Number Of Outputs: 1
• Current - Output: ±2A
• Voltage - Load: 8 V ~ 35 V
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-SOIC (7.5mm Width)
• Motor Type: DMOS
• No. Of Outputs: 4
• Output Current: 2A
• Output Voltage: 35V
• Supply Voltage Range: 3V To 5.5V
• Driver Case Style: SOIC
• No. Of Pins: 24
• Operating Temperature Range: -20°C To +85°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 620-1299-2; A3982SLBTR-T

A3982
Figure 2. Decay Mode for Full-Step Increments
Direction = H
Direction = H
Phase 1
Phase 2
STEP
I
I
OUT1A
OUT2A
(%)
(%)
–100.00
–100.00
100.00
–70.71
100.00
–70.71
70.71
70.71
0.00
0.00
Slow
DMOS Stepper Motor Driver with Translator
Table 2. Step Sequencing Settings
Home step position at Step Angle 45º; DIR = H
Slow
Step
Full
#
1
2
3
4
Step
Half
#
1
2
3
4
5
6
7
8
[% I tripMax ]
Phase 1
Current
–100.00
100.00
–70.71
–70.71
70.71
70.71
0.00
0.00
(%)
[% I tripMax ]
Phase 2
Current
–100.00
Figure 3. Decay Modes for Half-Step Increments
100.00
–70.71
–70.71
70.71
70.71
Direction = H
Direction = H
0.00
0.00
(%)
Phase 1
Phase 2
STEP
I
I
OUT1A
OUT2A
(%)
(%)
Angle
135.0
180.0
225.0
270.0
315.0
Step
45.0
90.0
0.0
(º)
–100.00
–100.00
100.00
–70.71
100.00
–70.71
70.71
70.71
0.00
0.00
Mixed
Slow
Slow
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Mixed
Slow
Mixed
Slow
Mixed
Slow
Mixed
Slow
Mixed
Slow
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