A3980KLP Allegro Microsystems Inc, A3980KLP Datasheet - Page 6

• Manufacturer Part Number: A3980KLP
• Description: IC DRIVER MICROSTEPPING 28-TSSOP
• Manufacturer: Allegro Microsystems Inc

Specifications of A3980KLP

• Applications: Stepper Motor Driver
• Number Of Outputs: 1
• Current - Output: ± 1A
• Voltage - Load: 7 V ~ 50 V
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP Exposed Pad, 28-eTSSOP, 28-HTSSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

A3980
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
Sixteenth Step
Eighth Step
Half Step
Full Step
t
EN
t
SU
Automotive DMOS Microstepping Driver
t
H
t
STPH
Table 2. Fault Report by Fault Flags
FF1
H
H
L
L
FF2
H
H
L
L
Low Load Current, or Shorted Load
UVLO, OVLO, Overtemperature,
t
STPL
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Short to Ground
Short to Supply
with Translator
Fault
None
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