A4973SLBTR-T vs A3982SLBTR-T 比較
詳細並排比較 A4973SLBTR-T 由 Allegro MicroSystems 與 A3982SLBTR-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。
規格比較
| 參數 | A4973SLBTR-T | A3982SLBTR-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 | Brushed DC | Bipolar stepper |
| 輸出配置 | Full-Bridge (H-Bridge), 1 bridge | Dual full H-bridge |
| 輸出數量 | 2 (half-bridge pair forming 1 full bridge) | 4 (dual full bridge) |
| Continuous Output Current | ±1.5 A | ±2 A per phase |
| Load Supply Voltage (VBB) | 5 V to 50 V | — |
| Logic Supply Voltage (VCC) | 3 V to 5.5 V | — |
| Current Control | Internal fixed off-time PWM with 3-bit DAC setpoint | — |
| Current-Decay Modes | Fast and slow decay, user-selectable | — |
| Sleep Mode | Yes (low quiescent current) | — |
| Protection Features | Thermal shutdown, crossover-current protection | — |
| 工作溫度 | -20 C to +85 C | -20 C to +85 C |
| 封裝 | 16-pin SOIC Wide Body (SLB) with exposed thermal pad | SOIC-24 (SLB) with exposed thermal pad |
| 安裝類型 | Surface Mount | Surface Mount |
| MSL 等級 | [DATA_NEEDED: MSL level] | — |
| RoHS 狀態 | Compliant | Compliant |
| Logic Supply Voltage | — | 3 V to 5.5 V |
| Motor Supply Voltage (Load) | — | 8 V to 35 V |
| RDS(on) (typical) | — | 370 mOhm |
| Step Modes | — | Full-step, Half-step |
| Current Decay Modes | — | Slow, Mixed, Fast (auto-detected) |
| Current Regulation | — | Fixed off-time PWM |
| Built-in Translator | — | Yes (STEP/DIR input) |