A3977SLPTR-T vs AMT49413 Comparaison
Comparaison détaillée côte à côte de A3977SLPTR-T par Allegro MicroSystems et AMT49413 par Allegro MicroSystems. Comparez les spécifications clés, les paramètres électriques, le conditionnement, le statut de cycle de vie, les prix et la disponibilité pour déterminer le meilleur composant pour vos exigences de conception.
Allegro MicroSystems
A3977SLPTR-T - 35V/±2.5A Microstepping DMOS Driver | Allegro MicroSystems
A3977SLPTR-T ✓ ActifAllegro MicroSystems
AMT49413 - 3-Phase BLDC Controller and MOSFET Driver | Allegro
AMT49413 ✓ ActifComparaison des spécifications
| Paramètre | A3977SLPTR-T | AMT49413 |
|---|---|---|
| Marque | Allegro MicroSystems | Allegro MicroSystems |
| Catégorie | Motor Drivers | Motor Drivers |
| Statut du cycle de vie | Actif | Actif |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (USD) | $3,65 | $3,10 |
| Motor Type | Bipolar stepper motor | 3-phase brushless DC (BLDC) |
| Step Modes | Full, half, quarter, eighth | — |
| Configuration de sortie | 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 | — |
| Redressement synchrone | Yes (internal) | Yes (programmable) |
| Sleep Mode | Yes (low-power) | — |
| Automatic Decay Mode Selection | Yes | — |
| Température de fonctionnement | -20 C to +85 C | — |
| Boîtier | 28-pin TSSOP-EP (exposed pad) | 48-pin QFN-EP (7 mm x 7 mm) with exposed thermal pad |
| Type de montage | Surface Mount | Surface Mount (QFN-EP) |
| Statut RoHS | Compliant | — |
| 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 |
| Charge Pump | — | Integrated for high-side gate drive |
| Plage de température de fonctionnement | — | -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 |