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A3977KLP-T

A3977KLP-T

A3977KLP-T

Allegro MicroSystems

Motor Drivers

SOT-23

A3977KLP-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
Supplier Device Package 28-TSSOP-EP
Operating Temperature-40°C~150°C TJ
PackagingTube
Published 2003
Part StatusObsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Max Operating Temperature125°C
Min Operating Temperature -40°C
Applications General Purpose
Voltage - Supply 3V~5.5V
Base Part Number A3977
Function Driver - Fully Integrated, Control and Power Stage
Number of Outputs 1
Operating Supply Voltage5V
Interface Logic
Max Supply Voltage5.5V
Min Supply Voltage3V
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
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:4719 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$9.042240$9.04224
10$8.530415$85.30415
100$8.047561$804.7561
500$7.592039$3796.0195
1000$7.162301$7162.301

A3977KLP-T Product Details

A3977KLP-T Overview


The design includes a package of type [0].Drivers controllers is packaged wDrivers controllersh a 28-TSSOP (0.173, 4.40mm Width) Exposed Pad case.In most cases, it is recommended to mount the part at Surface Mount.I believe it would be suitable for the component connected to General Purpose.A device with a voltage range of 3V~5.5V volts is available.The operating temperature ranges from -40°C~150°C TJto -40°C~150°C TJ.At a rate of [0], voltage can be applied to the load.Surface Mountis the recommended mounting method.Ensure that the part output current remains at 2.5A.A3977is the part number that finds it.28pins are available on the device.A total of 1outputs are available.The driver operates from a supply voltage of 5V volts.The maximum operating temperature reaches 125°C.In order to operate properly, the operating temperature should be higher than -40°C.Using this device, maximum supply voltage of 5.5Vmay be applied to the device.In addition, it can operate with the minimum voltage of 3V.

A3977KLP-T Features


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


A3977KLP-T Applications


There are a lot of Allegro MicroSystems
A3977KLP-T motor drivers applications.


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

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