A3980 Allegro MicroSystems, Inc., A3980 Datasheet - Page 5
A3980
Manufacturer Part Number
A3980
Description
Automotive DMOS Microstepping Driver with Translator
Manufacturer
Allegro MicroSystems, Inc.
Datasheet
1.A3980.pdf
(18 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
A3980KLPT
Manufacturer:
ALLEGRO/雅丽高
Quantity:
20 000
Part Number:
A3980KLTP
Manufacturer:
ALLEGRO/雅丽高
Quantity:
20 000
Table 1. Microstep Resolution Truth Table
MS1
H
H
L
L
MS2
H
H
L
L
Logic Interface Timing Diagram
MS1, MS2,
or DIR
SLEEP
STEP
Microstep Resolution
Automotive DMOS Microstepping Driver with Translator
Sixteenth Step
Eighth Step
Half Step
Full Step
t
EN
t
SU
www.allegromicro.com
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
t
H
t
STPH
Table 2. Fault Report by Fault Flags
FF1
H
H
L
L
FF2
H
H
L
L
UVLO, OVLO, Overtemperature,
Open Load, or Shorted Load
t
STPL
Short to Ground
Short to Supply
Fault
None
A3980
5
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