A3982SLBTR-T vs A3982SLB-T Comparison
Detailed side-by-side comparison of A3982SLBTR-T by Allegro MicroSystems and A3982SLB-T by Allegro MicroSystems. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Allegro MicroSystems
A3982SLBTR-T - 35V/±2A DMOS Stepper Motor Driver | Allegro
A3982SLBTR-T ✓ ActiveAllegro MicroSystems
A3982SLB-T - 35V, ±2A Bipolar Stepper Motor Driver | Allegro
A3982SLB-T ✓ ActiveSpecification Comparison
| Parameter | A3982SLBTR-T | A3982SLB-T |
|---|---|---|
| Brand | Allegro MicroSystems | Allegro MicroSystems |
| Category | Motor Drivers | Motor Drivers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.63 | $3.20 |
| Motor Type | Bipolar stepper | Bipolar Stepper |
| Number of Outputs | 4 (dual full bridge) | — |
| Output Configuration | Dual full H-bridge | Dual Full Bridge |
| Logic Supply Voltage | 3 V to 5.5 V | — |
| Motor Supply Voltage (Load) | 8 V to 35 V | — |
| Continuous Output Current | ±2 A per phase | — |
| RDS(on) (typical) | 370 mOhm | — |
| Step Modes | Full-step, Half-step | — |
| Current Decay Modes | Slow, Mixed, Fast (auto-detected) | — |
| Current Regulation | Fixed off-time PWM | — |
| Built-in Translator | Yes (STEP/DIR input) | — |
| Operating Temperature | -20 C to +85 C | -20 C to +85 C |
| Package | SOIC-24 (SLB) with exposed thermal pad | 24-SOIC (Wide, 300 mil, 7.50 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant |
| Step Mode | — | Full-step, Half-step |
| Load Voltage (Vbb) | — | 8 V to 35 V |
| Output Drive Current | — | ±2 A per phase |
| On-State Resistance (DMOS) | — | [DATA_NEEDED: Rdson per leg] |
| Logic Supply Voltage (Vdd) | — | 3.0 V to 5.5 V |
| Current Control | — | Fixed off-time PWM with Slow / Mixed decay |
| Translator | — | Built-in (step-and-direction interface) |
| Synchronous Rectification | — | Yes |
| Thermal Shutdown | — | Yes |
| Under-Voltage Lockout | — | Yes |
| MSL Level | — | [DATA_NEEDED: MSL rating] |