Part Details for A3977SLP by Allegro MicroSystems LLC
Results Overview of A3977SLP by Allegro MicroSystems LLC
- Distributor Offerings: (2 listings)
- Number of FFF Equivalents: (1 replacement)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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
Automotive
Robotics and Drones
A3977SLP Information
A3977SLP 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 A3977SLP
| Part # | Distributor | Description | Stock | Price | Buy | |
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Bristol Electronics | 44 |
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RFQ | ||
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Win Source Electronics | MICROSTEPPING DMOS DRIVER WITH TRANSLATOR | IC MTR DRV BIPOLR 3-5.5V 28TSSOP | 19500 |
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$2.0355 / $2.6295 | Buy Now |
Part Details for A3977SLP
A3977SLP CAD Models
A3977SLP Part Data Attributes
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A3977SLP
Allegro MicroSystems LLC
Buy Now
Datasheet
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Compare Parts:
A3977SLP
Allegro MicroSystems LLC
Stepper Motor Controller, 2.5A, NMOS, PDSO28, EXPOSED PAD, TSSOP-28
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| Rohs Code | No | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | ALLEGRO MICROSYSTEMS LLC | |
| Part Package Code | SSOP | |
| Package Description | EXPOSED PAD, TSSOP-28 | |
| Pin Count | 28 | |
| Reach Compliance Code | unknown | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Analog IC - Other Type | STEPPER MOTOR CONTROLLER | |
| JESD-30 Code | R-PDSO-G28 | |
| JESD-609 Code | e0 | |
| Length | 9.7 mm | |
| 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) | 240 | |
| 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 | Tin/Lead (Sn/Pb) | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 0.65 mm | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 4.4 mm |
Alternate Parts for A3977SLP
This table gives cross-reference parts and alternative options found for A3977SLP. 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 A3977SLP, 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 |
|---|---|---|---|---|
| A3977SLPTR | Allegro MicroSystems LLC | Check for Price | Stepper Motor Controller, 2.5A, NMOS, PDSO28, EXPOSED PAD, TSSOP-28 | A3977SLP vs A3977SLPTR |
A3977SLP Frequently Asked Questions (FAQ)
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The A3977SLP can operate from -20°C to 85°C (TJ) and is suitable for automotive applications.
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The A3977SLP requires a single 5V supply voltage (VCC) and a separate logic supply voltage (VDD) for the interface. Ensure both supplies are decoupled with 0.1 μF capacitors.
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The VREF pin is used to set the internal reference voltage for the A3977SLP. It should be connected to a stable voltage source, typically VCC, through a resistor divider network.
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The A3977SLP can be configured for half-bridge or three-phase operation by connecting the appropriate pins (HBEN, 3PHASE, and INDEX) according to the application note and datasheet.
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The A3977SLP's output stages are rated for up to 1.5 A peak current per phase, with a maximum total current of 3 A.