AMT49413 vs A3977SLPTR-T 比較
詳細並排比較 AMT49413 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
A3977SLPTR-T - 35V/±2.5A Microstepping DMOS Driver | Allegro MicroSystems
A3977SLPTR-T ✓ 啟用中規格比較
| 參數 | AMT49413 | 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 | 3-phase brushless DC (BLDC) | Bipolar stepper motor |
| Supply Voltage Range | 5.5 V to 50 V (functional); 7 V to 50 V (full gate drive) | — |
| Gate Drive Voltage | Greater than 10 V VGS at VBB down to 7 V | — |
| External FET Type | N-channel MOSFETs (3-phase bridge) | — |
| Control Method | Fixed-frequency PWM with Hall-sensor commutation | — |
| Current Sensing | Internal current-sense amplifier with external sense resistor | — |
| 同步整流 | Yes (programmable) | Yes (internal) |
| Charge Pump | Integrated for high-side gate drive | — |
| 封裝 | 48-pin QFN-EP (7 mm x 7 mm) with exposed thermal pad | 28-pin TSSOP-EP (exposed pad) |
| 工作溫度範圍 | -40C to +150C (junction) | — |
| Commutation Method | Integrated Hall-effect sensor inputs (3 sensors) | — |
| PWM Frequency | Programmable (per datasheet) | — |
| Duty Cycle | 0% to 100% | — |
| Protection Features | Undervoltage lockout, thermal shutdown, short-circuit protection | — |
| Automotive Grade | Designed for automotive and industrial applications | — |
| 安裝類型 | Surface Mount (QFN-EP) | Surface Mount |
| 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 |
| Sleep Mode | — | Yes (low-power) |
| Automatic Decay Mode Selection | — | Yes |
| 工作溫度 | — | -20 C to +85 C |
| RoHS 狀態 | — | Compliant |