A3979SLP-T Allegro Microsystems Inc, A3979SLP-T Datasheet - Page 11

• Manufacturer Part Number: A3979SLP-T
• Description: IC, SM MOTOR DRIVER 2.5A TSSOP-28
• Manufacturer: Allegro Microsystems Inc

Specifications of A3979SLP-T

• Driver Ic Type: Microstepping DMOS Driver With Translator
• Voltage, Output Max: 35V
• Current, Output Max: 2.5A
• Temp, Op. Min: -20(degree C)
• Temp, Op. Max: 85(degree C)
• Pins, No. Of: 28
• Case: RoHS Compliant
• Applications: Stepper Motor Driver
• Number Of Outputs: 1
• Current - Output: ±2.5A
• 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: 28-TSSOP Exposed Pad, 28-eTSSOP, 28-HTSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 620-1080

A3979
HOME Output
Direction = H
Direction = H
STEP Input
Figure 5. Decay Modes for Sixteenth-Step Increments
Phase 1
Phase 2
I
I
OUT1A
OUT2B
(%)
(%)
–100.00
–100.00
100.00
–19.51
–29.03
–38.27
–47.14
–55.56
–63.44
–70.71
–77.30
–83.15
–88.19
–95.69
100.00
–19.51
–29.03
–38.27
–47.14
–55.56
–63.44
–70.71
–77.30
–83.15
–88.19
–95.69
95.69
88.19
83.15
77.30
70.71
63.44
55.56
47.14
38.27
29.03
19.51
95.69
88.19
83.15
77.30
70.71
63.44
55.56
47.14
38.27
29.03
19.51
0.00
–9.8
0.00
–9.8
9.8
9.8
Slow
Mixed
Slow
DMOS Microstepping Driver with Translator
Mixed
Slow
Mixed
Slow
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
Mixed
Slow
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