A3982SLBTR-T vs A4980KLPTR-T Comparison
Detailed side-by-side comparison of A3982SLBTR-T by Allegro MicroSystems and A4980KLPTR-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
A4980KLPTR-T - 28V 1.4A Bipolar Stepper Driver, TSSOP-28EP | Allegro
A4980KLPTR-T ✓ ActiveSpecification Comparison
| Parameter | A3982SLBTR-T | A4980KLPTR-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 | $1.20 |
| Motor Type | Bipolar stepper | Bipolar stepper |
| Number of Outputs | 4 (dual full bridge) | — |
| Output Configuration | Dual full H-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) | Automatic selection of Mixed, Fast, Slow |
| Current Regulation | Fixed off-time PWM | — |
| Built-in Translator | Yes (STEP/DIR input) | — |
| Operating Temperature | -20 C to +85 C | — |
| Package | SOIC-24 (SLB) with exposed thermal pad | 28-pin TSSOP with exposed thermal pad (KLP) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant |
| Step Resolution | — | Full, 1/2, 1/4, 1/16 microstep |
| Motor Supply Voltage (max) | — | 28 V |
| Output Current per Phase (peak) | — | ±1.4 A |
| Output Current per Phase (continuous, typical) | — | ±750 mA |
| Low-side RDS(on) | — | 0.5 Ω typical |
| Output Stage | — | DMOS with synchronous rectification |
| Control Interface | — | Step/Direction + SPI-compatible serial |
| Shoot-through Protection | — | Yes, internal timers |
| Output Short-circuit Protection | — | Yes |
| Stalled Rotor Detection | — | Yes (flag via SPI) |
| Low-load-current Detection | — | Yes (flag via SPI) |
| Operating Temperature Range | — | [DATA_NEEDED: operating temperature range] |
| AEC-Q100 Automotive Grade | — | Automotive qualified (per datasheet title) |
| Tape & Reel Quantity | — | 4000 per reel (T suffix) |