A4980KLPTR-T vs A3982SLBTR-T 对比
详细并排对比 A4980KLPTR-T 出自 Allegro MicroSystems 和 A3982SLBTR-T 出自 Allegro MicroSystems。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Allegro MicroSystems
A4980KLPTR-T - 28V 1.4A Bipolar Stepper Driver, TSSOP-28EP | Allegro
A4980KLPTR-T ✓ 量产中
规格对比
| 参数 | A4980KLPTR-T | A3982SLBTR-T |
|---|---|---|
| 品牌 | Allegro MicroSystems | Allegro MicroSystems |
| 分类 | Motor Drivers | Motor Drivers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（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) | — |
| 封装 | 28-pin TSSOP with exposed thermal pad (KLP) | SOIC-24 (SLB) with exposed thermal pad |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度范围 | [DATA_NEEDED: operating temperature range] | — |
| AEC-Q100 Automotive Grade | Automotive qualified (per datasheet title) | — |
| RoHS 状态 | Compliant | Compliant |
| Tape & Reel Quantity | 4000 per reel (T suffix) | — |
| 输出数量 | — | 4 (dual full bridge) |
| 输出配置 | — | 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) |
| 工作温度 | — | -20 C to +85 C |