A3977SLPTR-T vs AMT49413 Vergleich
Detaillierter Direktvergleich von A3977SLPTR-T von Allegro MicroSystems und AMT49413 von Allegro MicroSystems. Vergleichen Sie die wichtigsten Spezifikationen, elektrischen Parameter, Gehäuse, Lebenszyklusstatus, Preise und Verfügbarkeit, um das beste Bauteil für Ihre Designanforderungen zu ermitteln.
Allegro MicroSystems
A3977SLPTR-T - 35V/±2.5A Microstepping DMOS Driver | Allegro MicroSystems
A3977SLPTR-T ✓ AktivAllegro MicroSystems
AMT49413 - 3-Phase BLDC Controller and MOSFET Driver | Allegro
AMT49413 ✓ AktivSpezifikationsvergleich
| Parameter | A3977SLPTR-T | AMT49413 |
|---|---|---|
| Marke | Allegro MicroSystems | Allegro MicroSystems |
| Kategorie | Motor Drivers | Motor Drivers |
| Lebenszyklusstatus | Aktiv | Aktiv |
| Lagerstatus | In Stock | In Stock |
| Stückpreis (USD) | $3,65 | $3,10 |
| Motor Type | Bipolar stepper motor | 3-phase brushless DC (BLDC) |
| Step Modes | Full, half, quarter, eighth | — |
| Ausgangskonfiguration | Dual full H-bridge (2 outputs) | — |
| Load Voltage (Motor Supply) | 8 V to 35 V | — |
| Logic Supply Voltage | 3 V to 5.5 V | — |
| Output Current (per phase) | ±2.5 A | — |
| Maximum Output Voltage Rating | 35 V | — |
| rDS(on) - Source DMOS (typical) | 0.45 ohm | — |
| rDS(on) - Sink DMOS (typical) | 0.36 ohm | — |
| Current Control | Fixed off-time PWM with slow/fast/mixed decay | — |
| Synchrongleichrichtung | Yes (internal) | Yes (programmable) |
| Sleep Mode | Yes (low-power) | — |
| Automatic Decay Mode Selection | Yes | — |
| Betriebstemperatur | -20 C to +85 C | — |
| Gehäuse | 28-pin TSSOP-EP (exposed pad) | 48-pin QFN-EP (7 mm x 7 mm) with exposed thermal pad |
| Montageart | Surface Mount | Surface Mount (QFN-EP) |
| RoHS-Status | Compliant | — |
| 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 |
| Betriebstemperaturbereich | — | -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 |