A3977KED-T Allegro Microsystems Inc, A3977KED-T Datasheet - Page 4
A3977KED-T
Manufacturer Part Number
A3977KED-T
Description
IC MOTOR DRIVER PWM DUAL 44-PLCC
Manufacturer
Allegro Microsystems Inc
Datasheet
1.A3977SEDTR-T.pdf
(18 pages)
Specifications of A3977KED-T
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
44-LCC (J-Lead)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
620-1076
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
A3977KED-T
Manufacturer:
Allegro MicroSystems, LLC
Quantity:
10 000
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.
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