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A3977SLP-T

A3977SLP-T

A3977SLP-T

Allegro MicroSystems

2.5A mA 4.4mm mm Motor Drivers 28 5V V 35V V 9.7mm mm

SOT-23

A3977SLP-T 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 e3
Part StatusObsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 28
Termination SMD/SMT
ECCN Code EAR99
Terminal Finish Matte Tin (Sn)
Applications General Purpose
Additional FeatureALSO REQUIRES A 8V TO 35V SUPPLY
Voltage - Supply 3V~5.5V
Terminal Position DUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 260
Supply Voltage 5V
Terminal Pitch0.65mm
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number A3977
Function Driver - Fully Integrated, Control and Power Stage
Number of Outputs 1
Qualification StatusNot Qualified
Output Voltage 35V
Max Output Current2.5A
Operating Supply Voltage5V
Supply Voltage-Min (Vsup) 3V
Interface Logic
Output Configuration Half Bridge (4)
Max Output Voltage35V
Voltage - Load 8V~35V
Motor Type Stepper
Motor Type - Stepper Bipolar
Step Resolution1, 1/2, 1/4, 1/8
Length 9.7mm
Width 4.4mm
REACH SVHC No SVHC
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:4642 items

A3977SLP-T Product Details

A3977SLP-T Overview


The design contains a Tubepackage.This part is packed in a 28-TSSOP (0.173, 4.40mm Width) Exposed Pad case.Drivers controllers is recommended that the part be mounted by Surface Mount.For the component connected to [0], it is suitable.This device is capable of supplying voltages up to 3V~5.5V volts.Operation temperature ranges from -20°C~150°C TJ.A total of 28terminations are available in this part.There is the option of applying the voltage to the load at the rate of 8V~35V.Drivers controllers is very important to keep in mind that this amplifier should be operated at 5V.There is a recommended mounting method of Surface Mount.This can be determined by looking at the A3977 part number.28pins are present on the device.There are a total of 1outputs available.A voltage of 5V is used as the supply voltage for this driver.Continually maintains the output voltage at 35V.This motor type can be recognized as Stepper.A characteristic ALSO REQUIRES A 8V TO 35V SUPPLYis also associated with it.For the purposes of meeting its operation requirements, the maximum output current reaches [0].

A3977SLP-T Features


Applications : General Purpose
Load voltage across the chip 8V~35V
base on A3977 number
designed with 1 outputs
Motor Type classified as Stepper
Additional Feature: ALSO REQUIRES A 8V TO 35V SUPPLY


A3977SLP-T Applications


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


  • Dash
  • Footwell lighting
  • Indicator
  • Telltale lights
  • Infotainment backlighting
  • Tail lights
  • Turn signals
  • Brake lights
  • CHMSL (center high-mount stop lamps)
  • parking lights

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