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Hot sale original electronics A3977SED IC MTR DRVR BIPOLR 3-5.5V 44PLCC Bipolar Motor Driver DMOS Logic 44-PLCC

A3977SED

Model:A3977SED

Manufacturer:ALLEGRO

Package:44-PLCC

Detail

Product Details



MICROSTEPPING DMOS DRIVER WITH TRANSLATOR

motor drivers dissipation.

The translator is the key to the easy implementation of the A3977. By simply inputting one pulse on the STEP input the motor will take one step (full, half, quarter, or eighth depending on two logic inputs). There are no phase-sequence tables, high-frequency control lines, or complex interfaces to program. The A3977 interface is an ideal fit for applications where a complex µP is unavailable or over-burdened.



FEATURES
■ ±2.5 A, 35 V Output Rating
■ Low rDS(on) Outputs, 0.45 Ω Source, 0.36 Ω Sink Typical
■ Automatic Current Decay Mode Detection/Selection
■ 3.0 V to 5.5 V Logic Supply Voltage Range
■ Mixed, Fast, and Slow Current Decay Modes
■ Home Output
■ Synchronous Rectification for Low Power Dissipation
■ Internal UVLO and Thermal Shutdown Circuitry
■ Crossover-Current Protection


Product Description


TypeDescription
ANSC PART#ANSC - A3977SED
CategoryIntegrated Circuits (ICs)
Power Management (PMIC)
Motor Drivers, Controllers
ManufacturerAllegro MicroSystems
Series-
PackagingTube
Part StatusObsolete
Motor Type - StepperBipolar
Motor Type - AC, DC-
FunctionDriver - Fully Integrated, Control and Power Stage
Output ConfigurationHalf Bridge (4)
InterfaceLogic
TechnologyDMOS
Step Resolution1, 1/2, 1/4, 1/8
ApplicationsGeneral Purpose
Current - Output2.5A
Voltage - Supply3V ~ 5.5V
Voltage - Load8V ~ 35V
Operating Temperature-20°C ~ 150°C (TJ)
Mounting TypeSurface Mount
Package / Case44-LCC (J-Lead)
Supplier Device Package44-PLCC (16.59x16.59)
Base Product NumberA3977


Product Photos

A3977SED

Product datasheet 

For more information, please download



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