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