A3977KLPTR Allegro Microsystems Inc, A3977KLPTR Datasheet - Page 4
A3977KLPTR
Manufacturer Part Number
A3977KLPTR
Description
IC MOTOR DRVR PWM DUAL 28TSSOP
Manufacturer
Allegro Microsystems Inc
Datasheet
1.A3977SEDTR-T.pdf
(18 pages)
Specifications of A3977KLPTR
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
-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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
A3977KLPTR-T
Manufacturer:
ALLEGRO/雅丽高
Quantity:
20 000
A3977
LP Pin-out
(TSSOP)
Table 1. Microstep Resolution Truth Table
Microstepping DMOS Driver with Translator
MS
L
H
L
H
1
MS
L
L
H
H
2
Full step (2 phase)
Quarter step
Resolution
Eighth step
Half step
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
4