A3977SLPTR-T vs A4975SLBTR-T Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng A3977SLPTR-T sa pamamagitan ng Allegro MicroSystems at A4975SLBTR-T sa pamamagitan ng Allegro MicroSystems. Ikinahambing ang mga pangunahing paglalarawan, mga tama ng elektriko, paakay, kalagayan ng buhay, presyo, at pagkakaroon upang makita ang pinakamahusay na komponente para sa iyong mga kinakailangang pang disenyo.
Allegro MicroSystems
A3977SLPTR-T - 35V/±2.5A Microstepping DMOS Driver | Allegro MicroSystems
A3977SLPTR-T ✓ NakahandaAllegro MicroSystems
A4975SLBTR-T - ±1.5A Full-Bridge PWM Microstepping Driver | Allegro
A4975SLBTR-T ✓ NakahandaPagsanggunian na paghahambing
| Parametro | A3977SLPTR-T | A4975SLBTR-T |
|---|---|---|
| Brand | Allegro MicroSystems | Allegro MicroSystems |
| Kategorya | Motor Drivers | Motor Drivers |
| Katayuan ng Lifecycle | Aktibo | Aktibo |
| Motor Type | Bipolar stepper motor | Bipolar Stepper |
| Step Modes | Full, half, quarter, eighth | — |
| Output Kumpigurasyon | Dual full H-bridge (2 outputs) | Full-Bridge (H-Bridge) |
| Load Voltage (Motor Supply) | 8 V to 35 V | — |
| Logic Supply Voltage | 3 V to 5.5 V | 4.5 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 | Internal PWM with selectable slow / fast / mixed decay |
| Sangayang Pag-ayosang Sinasaklaw | Yes (internal) | Internal (no external flyback diodes required) |
| Sleep Mode | Yes (low-power) | — |
| Automatic Decay Mode Selection | Yes | — |
| Temperature na Operasyon | -20 C to +85 C | -20C to +85C [DATA_NEEDED: full industrial temperature range from datasheet] |
| Packhaging | 28-pin TSSOP-EP (exposed pad) | 16-pin SOIC with exposed thermal pad (SLB) |
| Uri ng Pagpapasok | Surface Mount | Surface Mount |
| Tindminan RoHS | Compliant | Compliant |
| Bilang ng Outputs | — | 1 full-bridge (one phase winding) |
| Output Current (Continuous) | — | ±1.5 A |
| Load Supply Voltage | — | 5 V to 50 V |
| Microstepping Resolution | — | Full, Half, Quarter, Eighth step (via 3-bit nonlinear DAC) |
| DAC Resolution | — | 3-bit nonlinear (sinusoidal) |
| Thermal Protection | — | Internal thermal shutdown |
| Packaging | — | Tape & Reel (TR) |
| Output Transistor Technology | — | Power MOSFET / DMOS |