A3938SLDTR-T vs AMT49413 Comparaison
Comparaison détaillée côte à côte de A3938SLDTR-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
A3938SLDTR-T - 3-Phase BLDC MOSFET Controller, 50V | Allegro
A3938SLDTR-T ✓ ActifAllegro MicroSystems
AMT49413 - 3-Phase BLDC Controller and MOSFET Driver | Allegro
AMT49413 ✓ ActifComparaison des spécifications
| Paramètre | A3938SLDTR-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) | $4,05 | $3,10 |
| Fonction | Three-phase BLDC motor controller / MOSFET gate driver | — |
| Motor Supply Voltage | 18 V to 50 V | — |
| Topologie | Three-phase, 6-step PWM / synchronous rectification | — |
| Nombre de sorties | 3 half-bridge gate drive channels | — |
| Configuration de sortie | Pre-driver for N-channel MOSFETs (high-side + low-side) | — |
| High-Side Drive | Bootstrap with internal bootstrap diode | — |
| Redressement synchrone | Yes (low-side) | Yes (programmable) |
| Dead Time Adjustment | Adjustable (external resistor) | — |
| MOSFET Protection | Cross-conduction / shoot-through protection | — |
| PWM Input | Logic-level compatible | — |
| Boîtier | 38-pin TSSOP (LD) | 48-pin QFN-EP (7 mm x 7 mm) with exposed thermal pad |
| Type de montage | Surface Mount | Surface Mount (QFN-EP) |
| Packaging | Tape & Reel (TR) | — |
| Température de fonctionnement | -20C to +85C (industrial range per datasheet) | — |
| Statut RoHS | Compliant (per Alldatasheet listing) | — |
| Motor Type | — | 3-phase brushless DC (BLDC) |
| 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 |