Datasheets
A3979SLPTR-T by: Allegro MicroSystems LLC

Stepper Motor Controller, 2.5A, NMOS, PDSO28, 1.20 MM HEIGHT, LEAD FREE, MO-153AET, TSSOP-28

Part Details for A3979SLPTR-T by Allegro MicroSystems LLC

Results Overview of A3979SLPTR-T by Allegro MicroSystems LLC

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

Applications Education and Research Aerospace and Defense Agriculture Technology Robotics and Drones

A3979SLPTR-T Information

A3979SLPTR-T by Allegro MicroSystems LLC is a Motion Control Electronic.
Motion Control Electronics are under the broader part category of Signal Circuits.

A signal is an electronic means of transmitting information, either as an analog signal with continuous values or a digital signal with discrete values. Signals are used in various systems and networks. Read more about Signal Circuits on our Signal Circuits part category page.

Price & Stock for A3979SLPTR-T

Part # Distributor Description Stock Price Buy
DISTI # 73M8921
Newark Ic, Motor Driver 2.5A Tssop28, Smd, Motor Type:Stepper, No. Of Outputs:4Outputs, Output Current:2... .5A, Output Voltage:35V, Driver Case Style:Tssop, No. Of Pins:28Pins, Supply Voltage Min:3V, Supply Voltage Max:5.5V, Operating Rohs Compliant: Yes |Allegro Microsystems A3979SLPTR-T more RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Cut Tape 8703
  • 1 $6.9300
  • 10 $6.2600
  • 25 $5.9700
  • 50 $5.5700
  • 100 $5.1800
  • 250 $4.9500
  • 500 $4.5100
  • 1,000 $3.9300
$3.9300 / $6.9300 Buy Now
DISTI # 31K6660
Newark Motor Driver, Dmos, 2.5A, Tssop-28, Full Reel, Ic Type:Microstepping Motor Driver, Motor Type:Step... per, No. Of Outputs:2Outputs, Output Current:2.5A, Output Voltage:35V, Ic Case/Package:Tssop, No. Of Pins:28Pins, Qualification:- Rohs Compliant: Yes |Allegro Microsystems A3979SLPTR-T more RoHS: Compliant Min Qty: 8000 Package Multiple: 1 Date Code: 0 Container: Reel 0
Buy Now
DISTI # 620-1148-1-ND
DigiKey IC MTR DRV BIPOLR 3-5.5V 28TSSOP Min Qty: 1 Lead time: 15 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) 57319
In Stock
  • 1 $6.5700
  • 10 $5.0490
  • 25 $4.6704
  • 100 $4.2540
  • 250 $4.0554
  • 500 $3.9357
  • 1,000 $3.8372
  • 4,000 $3.6894
$3.6894 / $6.5700 Buy Now
DISTI # 250-A3979SLPTR-T
Mouser Electronics Motor / Motion / Ignition Controllers & Drivers DMOS MICROSTEP DRIVER WITH TRANSLATOR RoHS: Compliant 5293
  • 1 $6.5700
  • 10 $5.0500
  • 25 $4.6800
  • 100 $4.2600
  • 250 $4.0600
  • 500 $3.9400
  • 1,000 $3.8000
  • 2,000 $3.7300
  • 4,000 $3.6300
$3.6300 / $6.5700 Buy Now
DISTI # V36:1790_06610889
Arrow Electronics DMOS Stepper Motor Driver 5V 28-Pin TSSOP EP T/R RoHS: Compliant Min Qty: 4000 Package Multiple: 4000 Lead time: 15 Weeks Date Code: 2310 Americas - 4000
  • 4,000 $3.4520
$3.4520 Buy Now
DISTI # V72:2272_06610889
Arrow Electronics DMOS Stepper Motor Driver 5V 28-Pin TSSOP EP T/R RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 15 Weeks Date Code: 2114 Container: Cut Strips Americas - 2070
  • 1 $6.5000
  • 10 $5.0190
  • 25 $4.5500
  • 100 $3.9500
  • 250 $3.8730
  • 500 $3.7950
  • 1,000 $3.7180
$3.7180 / $6.5000 Buy Now
DISTI # 84991185
Verical DMOS Stepper Motor Driver 5V 28-Pin TSSOP EP T/R RoHS: Compliant Min Qty: 4000 Package Multiple: 4000 Date Code: 2310 Americas - 4000
  • 4,000 $3.4520
$3.4520 Buy Now
DISTI # 55233875
Verical DMOS Stepper Motor Driver 5V 28-Pin TSSOP EP T/R RoHS: Compliant Min Qty: 2 Package Multiple: 1 Date Code: 2114 Americas - 2070
  • 2 $6.5000
  • 10 $5.0190
  • 25 $4.5500
  • 100 $3.9500
  • 250 $3.8730
  • 500 $3.7950
  • 1,000 $3.7180
$3.7180 / $6.5000 Buy Now
DISTI # 85963822
Verical DMOS Stepper Motor Driver 5V 28-Pin TSSOP EP T/R RoHS: Compliant Min Qty: 83 Package Multiple: 1 Date Code: 2401 Americas - 343
  • 83 $4.5500
$4.5500 Buy Now
Bristol Electronics   233
RFQ
Rochester Electronics DMOS Microstep Drvr W/Trans RoHS: Compliant Status: Active Min Qty: 1 343
  • 25 $3.6400
  • 100 $3.4600
  • 500 $3.2800
  • 1,000 $3.0900
  • 10,000 $2.9100
$2.9100 / $3.6400 Buy Now
DISTI # A3979SLPTR-T
TME IC: driver, H-bridge, stepper motor controller, TSSOP28, 2.5A Min Qty: 1 0
  • 1 $6.6200
  • 10 $5.9500
  • 100 $5.5100
  • 250 $5.2600
  • 500 $4.7300
  • 1,000 $4.4100
  • 4,000 $4.0900
$4.0900 / $6.6200 RFQ
DISTI # A3979SLPTR-T
Avnet Silica DMOS Stepping Motor Driver 5V 28Pin TSSOP EP TR (Alt: A3979SLPTR-T) RoHS: Compliant Min Qty: 12000 Package Multiple: 12000 Lead time: 12 Weeks, 0 Days Silica - 0
Buy Now
LCSC HTSSOP-28-EP-4.5mm Stepper Motor Driver ROHS 758
  • 1 $3.4655
  • 10 $3.0204
  • 30 $2.5497
  • 100 $2.2827
  • 500 $2.1590
  • 1,000 $2.1032
$2.1032 / $3.4655 Buy Now
Win Source Electronics IC MOTOR DRIVER PAR 28TSSOP 12410
  • 13 $3.8750
  • 28 $3.6250
  • 43 $3.5000
  • 62 $3.2500
  • 80 $3.1250
  • 100 $3.0000
$3.0000 / $3.8750 Buy Now

Part Details for A3979SLPTR-T

A3979SLPTR-T CAD Models

A3979SLPTR-T Part Data Attributes

A3979SLPTR-T Allegro MicroSystems LLC
Buy Now Datasheet
Compare Parts:
A3979SLPTR-T Allegro MicroSystems LLC Stepper Motor Controller, 2.5A, NMOS, PDSO28, 1.20 MM HEIGHT, LEAD FREE, MO-153AET, TSSOP-28
Select a part to compare:
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer ALLEGRO MICROSYSTEMS LLC
Part Package Code TSSOP
Package Description 1.20 MM HEIGHT, LEAD FREE, MO-153AET, TSSOP-28
Pin Count 28
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Allegro Microsystems
Analog IC - Other Type STEPPER MOTOR CONTROLLER
JESD-30 Code R-PDSO-G28
JESD-609 Code e3
Length 9.7 mm
Moisture Sensitivity Level 2
Number of Functions 1
Number of Terminals 28
Operating Temperature-Max 85 °C
Operating Temperature-Min -20 °C
Output Current-Max 2.5 A
Package Body Material PLASTIC/EPOXY
Package Code HTSSOP
Package Equivalence Code TSSOP28,.25
Package Shape RECTANGULAR
Package Style SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Seated Height-Max 1.2 mm
Supply Voltage-Max (Vsup) 5.5 V
Supply Voltage-Min (Vsup) 3 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount YES
Technology NMOS
Temperature Grade OTHER
Terminal Finish Matte Tin (Sn)
Terminal Form GULL WING
Terminal Pitch 0.65 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 40
Width 4.4 mm

Alternate Parts for A3979SLPTR-T

This table gives cross-reference parts and alternative options found for A3979SLPTR-T. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of A3979SLPTR-T, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
A3979SLP-T Allegro MicroSystems LLC Check for Price Stepper Motor Controller, 2.5A, BCDMOS, PDSO28, 1.2 MM HEIGHT, LEAD FREE, EXPOSED PAD, MO-153AET, TSSOP-28 A3979SLPTR-T vs A3979SLP-T
A3979SLP Allegro MicroSystems LLC Check for Price Stepper Motor Controller, 2.5A, BCDMOS, PDSO28, 1.2 MM HEIGHT, EXPOSED PAD, MO-153AET, TSSOP-28 A3979SLPTR-T vs A3979SLP
A3977SLPTR-T Allegro MicroSystems LLC $3.4916 Stepper Motor Controller, 2.5A, NMOS, PDSO28, TSSOP-28 A3979SLPTR-T vs A3977SLPTR-T
AN44161A Panasonic Electronic Components Check for Price Stepper Motor Controller, 2.5A, BCDMOS, PDSO34, SOP-34 A3979SLPTR-T vs AN44161A
A3977KEDTR-T Allegro MicroSystems LLC Check for Price Stepper Motor Controller, 2.5A, NMOS, PQCC44, LEAD FREE, PLASTIC, MS-018AC, LCC-44 A3979SLPTR-T vs A3977KEDTR-T
A3977SED Allegro MicroSystems LLC Check for Price Stepper Motor Controller, 2.5A, NMOS, PQCC44, BATWING, PLASTIC, LCC-44 A3979SLPTR-T vs A3977SED
TB6560AFTG Toshiba Electronic Devices & Storage Corporation Check for Price Stepping Motor Driver/Bipolar Type/Vout(V)=40/Iout(A)=2.5/Clock Interface A3979SLPTR-T vs TB6560AFTG
L6285 STMicroelectronics Check for Price STEPPER MOTOR CONTROLLER, 2A, PQCC44, PLASTIC, LCC-44 A3979SLPTR-T vs L6285
A3977ELPTR Allegro MicroSystems LLC Check for Price Stepper Motor Controller, 2.5A, NMOS, PDSO28, EXPOSED PAD, TSSOP-28 A3979SLPTR-T vs A3977ELPTR
A3977KED-T Allegro MicroSystems LLC Check for Price Stepper Motor Controller, 2.5A, PQCC44, LEAD FREE, BATWING, PLASTIC, LCC-44 A3979SLPTR-T vs A3977KED-T

A3979SLPTR-T Related Parts

A3979SLPTR-T Frequently Asked Questions (FAQ)

  • A good PCB layout for optimal thermal performance involves placing the device near a thermal pad or a heat sink, and ensuring good thermal conductivity between the device and the PCB. A 2-layer or 4-layer PCB with a solid ground plane can help to dissipate heat efficiently.

  • To ensure reliable operation in high-temperature environments, it's essential to follow proper thermal design and layout guidelines, and to ensure that the device is operated within its specified temperature range. Additionally, consider using thermal interface materials or heat sinks to improve heat dissipation.

  • The recommended decoupling capacitors for the A3979SLPTR-T are 0.1 μF to 1 μF ceramic capacitors, placed as close to the device as possible. These capacitors help to filter out noise and ensure stable operation.

  • To troubleshoot issues with the device's output current, check the input voltage, output load, and PCB layout for any signs of overheating or electrical noise. Verify that the device is operated within its specified current rating, and that the output current is not exceeding the maximum rating.

  • Operating the device at the maximum current rating can lead to increased power dissipation, which may reduce the device's lifespan. It's essential to ensure proper thermal design and layout to prevent overheating, and to consider derating the device's current rating for reliable operation.