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Stepper Motor Controller, 2.5A, NMOS, PDSO28, 1.20 MM HEIGHT, LEAD FREE, MO-153AET, TSSOP-28
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.
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.
Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
73M8921
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Newark | Ic, Motor Driver 2.5A Tssop28, Smd, Motor Type:Stepper, No. Of Outputs:4Outputs, Output Current:2... more RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Cut Tape | 8703 |
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$3.9300 / $6.9300 | Buy Now |
DISTI #
31K6660
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Newark | Motor Driver, Dmos, 2.5A, Tssop-28, Full Reel, Ic Type:Microstepping Motor Driver, Motor Type:Step... more RoHS: Compliant Min Qty: 8000 Package Multiple: 1 Date Code: 0 Container: Reel | 0 |
|
Buy Now | |
DISTI #
620-1148-1-ND
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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 |
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$3.6894 / $6.5700 | Buy Now |
DISTI #
250-A3979SLPTR-T
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Mouser Electronics | Motor / Motion / Ignition Controllers & Drivers DMOS MICROSTEP DRIVER WITH TRANSLATOR RoHS: Compliant | 5293 |
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$3.6300 / $6.5700 | Buy Now |
DISTI #
V36:1790_06610889
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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 |
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$3.4520 | Buy Now |
DISTI #
V72:2272_06610889
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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 |
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$3.7180 / $6.5000 | Buy Now |
DISTI #
84991185
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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 |
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$3.4520 | Buy Now |
DISTI #
55233875
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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 |
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$3.7180 / $6.5000 | Buy Now |
DISTI #
85963822
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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 |
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$4.5500 | Buy Now |
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Bristol Electronics | 233 |
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RFQ |
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A3979SLPTR-T
Allegro MicroSystems LLC
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Datasheet
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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 |
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 |
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.