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A4982SLPTR-T
+StücklisteIC MTR DRV BIPOLR 3-5.5V 24TSSOP
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HerstellerAllegro MicroSystems
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Herstellerteil #A4982SLPTR-T
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Datenblatt A4982SLPTR-T DataSheet
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Paket TSSOP-24
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Auf Lager3972
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Motor Type - Stepper | Bipolar |
| Function | Driver - Fully Integrated, Control and Power Stage |
| Output Configuration | Half Bridge (4) |
| Interface | Logic |
| Technology | DMOS |
| Step Resolution | 1, 1/2, 1/4, 1/16 |
| Applications | General Purpose |
| Current - Output | 2A |
| Voltage - Supply | 3V ~ 5.5V |
| Voltage - Load | 8V ~ 35V |
| Operating Temperature | -20°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
Übersicht
Description
Key features of the A4982SLPTR-T include a built-in translator for easy interface, adjustable current control to optimize performance and reduce power consumption, and comprehensive protection features like overcurrent and thermal shutdown to ensure durability and reliability. The driver also supports step and direction inputs, simplifying the design process and reducing the need for complex microcontroller programming. The A4982SLPTR-T is available in a compact TSSOP package with an exposed thermal pad for efficient heat dissipation, making it suitable for space-constrained applications.
Equivalent
Features
1. Microstepping: It supports full, half, quarter, and eighth-step modes, allowing for smooth and precise motor control.
2. Current Control: The device includes a fixed off-time current regulator which allows for adjustable current decay modes, optimizing performance.
3. Protection Features: It offers overcurrent protection, thermal shutdown circuitry, and under-voltage lockout, enhancing reliability and safety.
4. Adjustable Output: The current output can be easily adjusted to suit the requirements of different motors.
5. Low RDS(on): It features low on-resistance for lower power dissipation and increased efficiency.
6. Compact Package: The device is available in a small surface-mount package, making it suitable for compact designs.
These features make the A4982SLPTR-T ideal for driving stepper motors in various applications, such as 3D printers, robotics, and automation systems.
Pinout
The A4982 is housed in a 28-pin TSSOP (Thin Shrink Small Outline Package) with an exposed thermal pad for better heat dissipation. It offers microstepping up to 16 microsteps per full step and includes features like current regulation, overcurrent protection, thermal shutdown, and crossover-current protection.
The primary function of the A4982 is to control the rate and direction of current flow through the windings of a stepper motor, thus enabling precise movement and positioning. It achieves this through a built-in translator for easy operation, which simplifies the interface with the controlling microcontroller or processor.