A3979SLP Allegro Microsystems Inc, A3979SLP Datasheet - Page 11
![no-image](/images/manufacturer_photos/0/0/32/allegro_microsystems_inc_sml.jpg)
A3979SLP
Manufacturer Part Number
A3979SLP
Description
IC DRIVER MICROSTEPPING 28-TSSOP
Manufacturer
Allegro Microsystems Inc
Datasheet
1.A3979SLPTR-T.pdf
(14 pages)
Specifications of A3979SLP
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
Operating Current
12mA
Operating Temperature Classification
Commercial
Package Type
TSSOP EP
Operating Supply Voltage (min)
3V
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (max)
5.5V
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
A3979SLP-T
Manufacturer:
TEMIC
Quantity:
23
Part Number:
A3979SLP-T
Manufacturer:
ALLEGRO/雅丽高
Quantity:
20 000
Company:
Part Number:
A3979SLPT
Manufacturer:
A
Quantity:
5 510
Company:
Part Number:
A3979SLPT
Manufacturer:
AD
Quantity:
5 510
Part Number:
A3979SLPT
Manufacturer:
ALLEGRO/雅丽高
Quantity:
20 000
Part Number:
A3979SLPTR
Manufacturer:
ALLEGRO/雅丽高
Quantity:
20 000
Part Number:
A3979SLPTR-T
Manufacturer:
ALLEGRO/雅丽高
Quantity:
20 000
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 (508) 853-5000
www.allegromicro.com
Mixed
Slow
11