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A3977SLP

A3977SLP

A3977SLP

Allegro MicroSystems

4.4mm mm Motor Drivers 28 5V V 9.7mm mm

SOT-23

A3977SLP Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 28-TSSOP (0.173, 4.40mm Width) Exposed Pad
Number of Pins 28
Operating Temperature-20°C~150°C TJ
PackagingTube
Published 2003
JESD-609 Code e0
Part StatusObsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 28
ECCN Code EAR99
Terminal Finish Tin/Lead (Sn/Pb)
Applications General Purpose
Voltage - Supply 3V~5.5V
Terminal Position DUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 240
Supply Voltage 5V
Terminal Pitch0.65mm
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number A3977
Function Driver - Fully Integrated, Control and Power Stage
Number of Outputs 1
Qualification StatusNot Qualified
Operating Supply Voltage5V
Supply Voltage-Min (Vsup) 3V
Interface Logic
Analog IC - Other Type STEPPER MOTOR CONTROLLER
Output Configuration Half Bridge (4)
Current - Output 2.5A
Voltage - Load 8V~35V
Motor Type - Stepper Bipolar
Step Resolution1, 1/2, 1/4, 1/8
Length 9.7mm
Width 4.4mm
RoHS StatusNon-RoHS Compliant
Lead Free Contains Lead
In-Stock:3246 items

A3977SLP Product Details

A3977SLP Overview


The package is designed with [0].The part is packaged in a 28-TSSOP (0.173, 4.40mm Width) Exposed Pad case.In general, it is recommended that the part be mounted by Surface Mount.The component connected in General Purposeis compatible with it.3V~5.5V volts can be supplied by the device.Drivers controllers operates wDrivers controllershin a range of -20°C~150°C TJdegrees Celsius.This part has 28termination options.A voltage of 8V~35Vcan be applied to the load.This amplifier should be operated at 5V.Ideally, it should be mounted in the Surface Mountposition.Maintain a current of 2.5Afor the part output.A STEPPER MOTOR CONTROLLERanalog integrated circuit is used in the device.Based on the A3977part number, it is found.The device has 28 pins.Drivers controllers is possible to access 1outputs.A supply voltage of 5Vis required to operate this driver.

A3977SLP Features


Applications : General Purpose
Load voltage across the chip 8V~35V
base on A3977 number
designed with 1 outputs


A3977SLP Applications


There are a lot of Allegro MicroSystems
A3977SLP motor drivers applications.


  • High power LED street light
  • Large outdoor LED display
  • Commercial office
  • Hospitality buildings
  • Smart lighting applications
  • Automotive applications
  • Dome
  • Dash
  • Footwell lighting
  • Indicator

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