A4980KLPTR-T vs A3982SLBTR-T Comparison
Detailed side-by-side comparison of A4980KLPTR-T by Allegro MicroSystems and A3982SLBTR-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
A4980KLPTR-T - 28V 1.4A Bipolar Stepper Driver, TSSOP-28EP | Allegro
A4980KLPTR-T ✓ ActiveAllegro MicroSystems
A3982SLBTR-T - 35V/±2A DMOS Stepper Motor Driver | Allegro
A3982SLBTR-T ✓ ActiveSpecification Comparison
| Parameter | A4980KLPTR-T | A3982SLBTR-T |
|---|---|---|
| Brand | Allegro MicroSystems | Allegro MicroSystems |
| Category | Motor Drivers | Motor Drivers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.20 | $4.63 |
| Motor Type | Bipolar stepper | Bipolar stepper |
| 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 | — |
| Current Decay Modes | Automatic selection of Mixed, Fast, Slow | Slow, Mixed, Fast (auto-detected) |
| 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) | — |
| Package | 28-pin TSSOP with exposed thermal pad (KLP) | SOIC-24 (SLB) with exposed thermal pad |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | — |
| AEC-Q100 Automotive Grade | Automotive qualified (per datasheet title) | — |
| RoHS Status | Compliant | Compliant |
| Tape & Reel Quantity | 4000 per reel (T suffix) | — |
| 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 Regulation | — | Fixed off-time PWM |
| Built-in Translator | — | Yes (STEP/DIR input) |
| Operating Temperature | — | -20 C to +85 C |