A4980KLPTR-T vs A3977SLPTR-T 比較
詳細並排比較 A4980KLPTR-T 由 Allegro MicroSystems 與 A3977SLPTR-T 由 Allegro MicroSystems. 比較關鍵規格、電氣參數、封裝、生命週期狀態、價格與供貨情況，以找出最符合您設計需求的元件。
Allegro MicroSystems
A4980KLPTR-T - 28V 1.4A Bipolar Stepper Driver, TSSOP-28EP | Allegro
A4980KLPTR-T ✓ 啟用中Allegro MicroSystems
A3977SLPTR-T - 35V/±2.5A Microstepping DMOS Driver | Allegro MicroSystems
A3977SLPTR-T ✓ 啟用中規格比較
| 參數 | A4980KLPTR-T | A3977SLPTR-T |
|---|---|---|
| 品牌 | Allegro MicroSystems | Allegro MicroSystems |
| 類別 | Motor Drivers | Motor Drivers |
| 生命週期狀態 | 啟用中 | 啟用中 |
| Motor Type | Bipolar stepper | Bipolar stepper motor |
| 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 | — |
| 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) | — |
| 封裝 | 28-pin TSSOP with exposed thermal pad (KLP) | 28-pin TSSOP-EP (exposed pad) |
| 安裝類型 | Surface Mount | Surface Mount |
| 工作溫度範圍 | [DATA_NEEDED: operating temperature range] | — |
| AEC-Q100 Automotive Grade | Automotive qualified (per datasheet title) | — |
| RoHS 狀態 | Compliant | Compliant |
| Tape & Reel Quantity | 4000 per reel (T suffix) | — |
| Step Modes | — | Full, half, quarter, eighth |
| 輸出配置 | — | Dual full H-bridge (2 outputs) |
| Load Voltage (Motor Supply) | — | 8 V to 35 V |
| Logic Supply Voltage | — | 3 V to 5.5 V |
| Output Current (per phase) | — | ±2.5 A |
| Maximum Output Voltage Rating | — | 35 V |
| rDS(on) - Source DMOS (typical) | — | 0.45 ohm |
| rDS(on) - Sink DMOS (typical) | — | 0.36 ohm |
| Current Control | — | Fixed off-time PWM with slow/fast/mixed decay |
| 同步整流 | — | Yes (internal) |
| Sleep Mode | — | Yes (low-power) |
| Automatic Decay Mode Selection | — | Yes |
| 工作溫度 | — | -20 C to +85 C |