A3938SLDTR-T vs A3938SLDT Comparaison
Comparaison détaillée côte à côte de A3938SLDTR-T par Allegro MicroSystems et A3938SLDT 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 ✓ ActifComparaison des spécifications
| Paramètre | A3938SLDTR-T | A3938SLDT |
|---|---|---|
| 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 | $3,95 |
| Fonction | Three-phase BLDC motor controller / MOSFET gate driver | Three-Phase BLDC Motor Controller / MOSFET Gate Driver |
| Motor Supply Voltage | 18 V to 50 V | Up 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) | Six N-channel MOSFET gate drivers (3 high-side + 3 low-side) |
| High-Side Drive | Bootstrap with internal bootstrap diode | Bootstrapped with integrated bootstrap management |
| Redressement synchrone | Yes (low-side) | — |
| Dead Time Adjustment | Adjustable (external resistor) | — |
| MOSFET Protection | Cross-conduction / shoot-through protection | — |
| PWM Input | Logic-level compatible | — |
| Boîtier | 38-pin TSSOP (LD) | 38-pin TSSOP with exposed thermal pad (LD suffix) |
| Type de montage | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | — |
| Température de fonctionnement | -20C to +85C (industrial range per datasheet) | -40C to +85C (TB075 suffix SLD) [DATA_NEEDED: confirm exact temp grade from datasheet] |
| Statut RoHS | Compliant (per Alldatasheet listing) | Compliant (per distributor listings) |
| Motor Type | — | Brushless DC (BLDC), three-phase |
| Logic Input Compatibility | — | 3.3 V / 5 V CMOS logic |
| Dead Time | — | Programmable (per datasheet) |
| Undervoltage Lockout (UVLO) | — | Logic and gate-drive rails |
| Arrêt thermique | — | Yes (internal) |
| Niveau MSL | — | [DATA_NEEDED: confirm from datasheet] |
| PWM Frequency | — | Up to [DATA_NEEDED] kHz (verify in datasheet) |