A3938SLDT vs A3938SLDTR-T Comparaison
Comparaison détaillée côte à côte de A3938SLDT par Allegro MicroSystems et A3938SLDTR-T 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 | A3938SLDT | A3938SLDTR-T |
|---|---|---|
| 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) | $3,95 | $4,05 |
| Fonction | Three-Phase BLDC Motor Controller / MOSFET Gate Driver | Three-phase BLDC motor controller / MOSFET gate driver |
| Motor Type | Brushless DC (BLDC), three-phase | — |
| Motor Supply Voltage | Up to 50 V | 18 V to 50 V |
| Configuration de sortie | Six N-channel MOSFET gate drivers (3 high-side + 3 low-side) | Pre-driver for N-channel MOSFETs (high-side + low-side) |
| High-Side Drive | Bootstrapped with integrated bootstrap management | Bootstrap with internal bootstrap diode |
| 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) | — |
| Température de fonctionnement | -40C to +85C (TB075 suffix SLD) [DATA_NEEDED: confirm exact temp grade from datasheet] | -20C to +85C (industrial range per datasheet) |
| Boîtier | 38-pin TSSOP with exposed thermal pad (LD suffix) | 38-pin TSSOP (LD) |
| Type de montage | Surface Mount | Surface Mount |
| Niveau MSL | [DATA_NEEDED: confirm from datasheet] | — |
| Statut RoHS | Compliant (per distributor listings) | Compliant (per Alldatasheet listing) |
| PWM Frequency | Up to [DATA_NEEDED] kHz (verify in datasheet) | — |
| Topologie | — | Three-phase, 6-step PWM / synchronous rectification |
| Nombre de sorties | — | 3 half-bridge gate drive channels |
| Redressement synchrone | — | Yes (low-side) |
| Dead Time Adjustment | — | Adjustable (external resistor) |
| MOSFET Protection | — | Cross-conduction / shoot-through protection |
| PWM Input | — | Logic-level compatible |
| Packaging | — | Tape & Reel (TR) |