A3983SLP Allegro Microsystems Inc, A3983SLP Datasheet - Page 8

• Manufacturer Part Number: A3983SLP
• Description: IC DRIVER MICROSTEPPING 24-TSSOP
• Manufacturer: Allegro Microsystems Inc

Specifications of A3983SLP

• 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-TSSOP Exposed Pad, 24-eTSSOP, 24-HTSSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

A3983
Figure 2. Decay Mode for Full-Step Increments
Figure 4. Decay Modes for Quarter-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
Direction = H
Direction = H
70.71
70.71
0.00
0.00
Phase 1
Phase 2
STEP
I
I
OUT1A
OUT2B
(%)
(%)
–100.00
–100.00
100.00
–38.27
–70.71
–92.39
100.00
–38.27
–70.71
–92.39
92.39
70.71
38.27
92.39
70.71
38.27
0.00
0.00
Slow
DMOS Microstepping Driver with Translator
Slow
Slow
Mixed
Slow
Mixed
Slow
Mixed
Figure 3. Decay Modes for Half-Step Increments
Slow
Direction = H
Direction = H
Phase 1
Phase 2
STEP
I
I
OUT1A
OUT2B
Mixed
(%)
(%)
Slow
–100.00
–100.00
100.00
–70.71
100.00
–70.71
70.71
70.71
0.00
0.00
Mixed
Mixed
Slow
Slow
Slow
Mixed
Slow
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
Mixed
Slow
Mixed
Slow
Mixed
Slow
Mixed
Slow
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