Part Details for A3982SLB by Allegro MicroSystems LLC
Results Overview of A3982SLB by Allegro MicroSystems LLC
- Distributor Offerings: (0 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (5 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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A3982SLB Information
A3982SLB 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 Details for A3982SLB
A3982SLB CAD Models
A3982SLB Part Data Attributes
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A3982SLB
Allegro MicroSystems LLC
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Datasheet
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A3982SLB
Allegro MicroSystems LLC
Stepper Motor Controller, 2A, CMOS, PDSO24, SOIC-24
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| Rohs Code | No | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | ALLEGRO MICROSYSTEMS LLC | |
| Part Package Code | SOIC | |
| Package Description | SOIC-24 | |
| Pin Count | 24 | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Analog IC - Other Type | STEPPER MOTOR CONTROLLER | |
| JESD-30 Code | R-PDSO-G24 | |
| JESD-609 Code | e0 | |
| Length | 15.4 mm | |
| Number of Functions | 1 | |
| Number of Terminals | 24 | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -20 °C | |
| Output Current-Max | 2 A | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | SOP | |
| Package Equivalence Code | SOP24,.4 | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Peak Reflow Temperature (Cel) | 240 | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 2.65 mm | |
| Supply Voltage-Max (Vsup) | 5.5 V | |
| Supply Voltage-Min (Vsup) | 3 V | |
| Surface Mount | YES | |
| Technology | CMOS | |
| Temperature Grade | OTHER | |
| Terminal Finish | TIN LEAD | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 1.27 mm | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 7.5 mm |
Alternate Parts for A3982SLB
This table gives cross-reference parts and alternative options found for A3982SLB. 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 A3982SLB, 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 |
|---|---|---|---|---|
| A3984SLP-T | Allegro MicroSystems LLC | Check for Price | Stepper Motor Controller, 2A, CMOS, PDSO24, 1.2 MM HEIGHT, LEAD FREE, EXPOSED PAD, TSSOP-24 | A3982SLB vs A3984SLP-T |
| A3983SLPTR | Allegro MicroSystems LLC | Check for Price | Stepper Motor Controller, 2A, BCDMOS, PDSO24, 1.2 MM HEIGHT, EXPOSED PAD, TSSOP-24 | A3982SLB vs A3983SLPTR |
| A5984GESTR-T | Allegro MicroSystems LLC | Check for Price | Stepper Motor Controller, 2A, QFN-24 | A3982SLB vs A5984GESTR-T |
| A5984GLPTR-T | Allegro MicroSystems LLC | $1.4364 | Stepper Motor Controller, 2A, PDSO24, TSSOP-24 | A3982SLB vs A5984GLPTR-T |
| A3983SLP-T | Allegro MicroSystems LLC | Check for Price | Stepper Motor Controller, 2A, CMOS, PDSO24, 1.2 MM HEIGHT, LEAD FREE, MO-153ADT, TSSOP-24 | A3982SLB vs A3983SLP-T |
A3982SLB Frequently Asked Questions (FAQ)
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Allegro recommends a 2-layer PCB with a solid ground plane on the bottom layer and a thermal relief pattern on the top layer to minimize thermal resistance. A minimum of 2 oz copper thickness is recommended for the PCB.
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To ensure accurate current sensing, use a low-impedance current sense resistor (CSR) and place it as close as possible to the IC. Also, ensure that the CSR is properly decoupled from the power supply and that the sense lines are properly shielded and routed.
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Although the datasheet specifies a maximum VCC voltage of 5.5V, Allegro recommends limiting the voltage to 5V to ensure reliable operation and to prevent damage to the IC.
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The A3982SLB has a built-in overcurrent protection feature that limits the output current to a safe level. However, it's recommended to implement an external overcurrent detection circuit to provide additional protection and to ensure that the system can safely shut down in case of an overcurrent event.
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Although the datasheet specifies an operating temperature range of -20°C to 85°C, Allegro recommends operating the device within a range of 0°C to 70°C for optimal performance and reliability.