Part Details for A3977SLPTR by Allegro MicroSystems LLC
Results Overview of A3977SLPTR by Allegro MicroSystems LLC
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (1 replacement)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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A3977SLPTR Information
A3977SLPTR 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 A3977SLPTR
| Part # | Distributor | Description | Stock | Price | Buy | |
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Win Source Electronics | IC MTR DRV BIPOLR 3-5.5V 28TSSOP | 19510 |
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$1.4455 / $1.8669 | Buy Now |
Part Details for A3977SLPTR
A3977SLPTR CAD Models
A3977SLPTR Part Data Attributes
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A3977SLPTR
Allegro MicroSystems LLC
Buy Now
Datasheet
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Compare Parts:
A3977SLPTR
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 A3977SLPTR
This table gives cross-reference parts and alternative options found for A3977SLPTR. 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 A3977SLPTR, 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 |
|---|---|---|---|---|
| A3977SLP-TTR | Allegro MicroSystems LLC | Check for Price | Stepper Motor Controller, 2.5A, NMOS, PDSO28, LEAD FREE, EXPOSED PAD, TSSOP-28 | A3977SLPTR vs A3977SLP-TTR |
A3977SLPTR Frequently Asked Questions (FAQ)
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The A3977SLPTR can operate from -20°C to 85°C (TJ) and is suitable for automotive applications.
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The A3977SLPTR requires a single 5V supply (VCC) and a separate ground (GND) connection. Ensure proper decoupling capacitors are used to minimize noise and voltage fluctuations.
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The VREF pin is used to set the internal reference voltage for the device. It should be connected to a stable voltage source, typically VCC, through a resistor divider network.
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The A3977SLPTR can be configured for half-bridge or H-bridge operation by connecting the appropriate pins (e.g., HBENA, LBENA, and DEADTIME) and setting the input logic levels accordingly.
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The A3977SLPTR requires a minimum dead time of 100 ns to prevent shoot-through currents in H-bridge configurations.