A3938SLDTR-T vs AMT49413 Comparação
Comparação detalhada lado a lado de A3938SLDTR-T por Allegro MicroSystems e AMT49413 por Allegro MicroSystems. Compare especificações principais, parâmetros elétricos, encapsulamento, status do ciclo de vida, preços e disponibilidade para determinar o melhor componente para os requisitos do seu projeto.
Allegro MicroSystems
A3938SLDTR-T - 3-Phase BLDC MOSFET Controller, 50V | Allegro
A3938SLDTR-T ✓ AtivoAllegro MicroSystems
AMT49413 - 3-Phase BLDC Controller and MOSFET Driver | Allegro
AMT49413 ✓ AtivoComparação de especificações
| Parâmetro | A3938SLDTR-T | AMT49413 |
|---|---|---|
| Marca | Allegro MicroSystems | Allegro MicroSystems |
| Categoria | Motor Drivers | Motor Drivers |
| Status do ciclo de vida | Ativo | Ativo |
| Status do estoque | In Stock | In Stock |
| Preço unitário (USD) | $4,05 | $3,10 |
| Função | Three-phase BLDC motor controller / MOSFET gate driver | — |
| Motor Supply Voltage | 18 V to 50 V | — |
| Topologia | Three-phase, 6-step PWM / synchronous rectification | — |
| Número de saídas | 3 half-bridge gate drive channels | — |
| Configuração de saída | Pre-driver for N-channel MOSFETs (high-side + low-side) | — |
| High-Side Drive | Bootstrap with internal bootstrap diode | — |
| Retificação síncrona | Yes (low-side) | Yes (programmable) |
| Dead Time Adjustment | Adjustable (external resistor) | — |
| MOSFET Protection | Cross-conduction / shoot-through protection | — |
| PWM Input | Logic-level compatible | — |
| Encapsulamento | 38-pin TSSOP (LD) | 48-pin QFN-EP (7 mm x 7 mm) with exposed thermal pad |
| Tipo de montagem | Surface Mount | Surface Mount (QFN-EP) |
| Packaging | Tape & Reel (TR) | — |
| Temperatura de operação | -20C to +85C (industrial range per datasheet) | — |
| Status 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 |
| Faixa de temperatura de operação | — | -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 |