A3982SLBTR-T vs A4980KLPTR-T 对比
详细并排对比 A3982SLBTR-T 出自 Allegro MicroSystems 和 A4980KLPTR-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 | A3982SLBTR-T | A4980KLPTR-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） | $4.63 | $1.20 |
| Motor Type | Bipolar stepper | Bipolar stepper |
| 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 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) | — |
| 工作温度 | -20 C to +85 C | — |
| 封装 | SOIC-24 (SLB) with exposed thermal pad | 28-pin TSSOP with exposed thermal pad (KLP) |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | 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) |
| 工作温度范围 | — | [DATA_NEEDED: operating temperature range] |
| AEC-Q100 Automotive Grade | — | Automotive qualified (per datasheet title) |
| Tape & Reel Quantity | — | 4000 per reel (T suffix) |