A3938SLDT vs A3938SLDTR-T Comparación
Comparación detallada lado a lado de A3938SLDT por Allegro MicroSystems y A3938SLDTR-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
A3938SLDT - 50V Three-Phase BLDC MOSFET Controller | Allegro
A3938SLDT ✓ ActivoAllegro MicroSystems
A3938SLDTR-T - 3-Phase BLDC MOSFET Controller, 50V | Allegro
A3938SLDTR-T ✓ ActivoComparación de especificaciones
| Parámetro | A3938SLDT | A3938SLDTR-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) | $3,95 | $4,05 |
| Función | 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 |
| Configuración de salida | 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 | — |
| Apagado térmico | Yes (internal) | — |
| Temperatura de funcionamiento | -40C to +85C (TB075 suffix SLD) [DATA_NEEDED: confirm exact temp grade from datasheet] | -20C to +85C (industrial range per datasheet) |
| Encapsulado | 38-pin TSSOP with exposed thermal pad (LD suffix) | 38-pin TSSOP (LD) |
| Tipo de montaje | Surface Mount | Surface Mount |
| Nivel MSL | [DATA_NEEDED: confirm from datasheet] | — |
| Estado RoHS | Compliant (per distributor listings) | Compliant (per Alldatasheet listing) |
| PWM Frequency | Up to [DATA_NEEDED] kHz (verify in datasheet) | — |
| Topología | — | Three-phase, 6-step PWM / synchronous rectification |
| Número de salidas | — | 3 half-bridge gate drive channels |
| Rectificación síncrona | — | 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) |