AMT49413 vs A3977SLPTR-T Comparación
Comparación detallada lado a lado de AMT49413 por Allegro MicroSystems y A3977SLPTR-T por Allegro MicroSystems. Compare las especificaciones clave, los parámetros eléctricos, el encapsulado, el estado del ciclo de vida, los precios y la disponibilidad para determinar el mejor componente para los requisitos de su diseño.
Allegro MicroSystems
AMT49413 - 3-Phase BLDC Controller and MOSFET Driver | Allegro
AMT49413 ✓ ActivoAllegro MicroSystems
A3977SLPTR-T - 35V/±2.5A Microstepping DMOS Driver | Allegro MicroSystems
A3977SLPTR-T ✓ ActivoComparación de especificaciones
| Parámetro | AMT49413 | A3977SLPTR-T |
|---|---|---|
| Marca | Allegro MicroSystems | Allegro MicroSystems |
| Categoría | Motor Drivers | Motor Drivers |
| Estado del ciclo de vida | Activo | Activo |
| Estado del stock | In Stock | In Stock |
| Precio unitario (USD) | $3,10 | $3,65 |
| 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 | — |
| Rectificación síncrona | Yes (programmable) | Yes (internal) |
| Charge Pump | Integrated for high-side gate drive | — |
| Encapsulado | 48-pin QFN-EP (7 mm x 7 mm) with exposed thermal pad | 28-pin TSSOP-EP (exposed pad) |
| Rango de temperatura de funcionamiento | -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 | — |
| Tipo de montaje | Surface Mount (QFN-EP) | Surface Mount |
| Step Modes | — | Full, half, quarter, eighth |
| Configuración de salida | — | 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 |
| Temperatura de funcionamiento | — | -20 C to +85 C |
| Estado RoHS | — | Compliant |