A3938SLDTR-T vs A4975SLBTR-T Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng A3938SLDTR-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
A3938SLDTR-T - 3-Phase BLDC MOSFET Controller, 50V | Allegro
A3938SLDTR-T ✓ NakahandaAllegro MicroSystems
A4975SLBTR-T - ±1.5A Full-Bridge PWM Microstepping Driver | Allegro
A4975SLBTR-T ✓ NakahandaPagsanggunian na paghahambing
| Parametro | A3938SLDTR-T | A4975SLBTR-T |
|---|---|---|
| Brand | Allegro MicroSystems | Allegro MicroSystems |
| Kategorya | Motor Drivers | Motor Drivers |
| Katayuan ng Lifecycle | Aktibo | Aktibo |
| Fungsi | Three-phase BLDC motor controller / MOSFET gate driver | — |
| Motor Supply Voltage | 18 V to 50 V | — |
| Topolohiya | Three-phase, 6-step PWM / synchronous rectification | — |
| Bilang ng Outputs | 3 half-bridge gate drive channels | 1 full-bridge (one phase winding) |
| Output Kumpigurasyon | Pre-driver for N-channel MOSFETs (high-side + low-side) | Full-Bridge (H-Bridge) |
| High-Side Drive | Bootstrap with internal bootstrap diode | — |
| Sangayang Pag-ayosang Sinasaklaw | Yes (low-side) | Internal (no external flyback diodes required) |
| Dead Time Adjustment | Adjustable (external resistor) | — |
| MOSFET Protection | Cross-conduction / shoot-through protection | — |
| PWM Input | Logic-level compatible | — |
| Packhaging | 38-pin TSSOP (LD) | 16-pin SOIC with exposed thermal pad (SLB) |
| Uri ng Pagpapasok | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) |
| Temperature na Operasyon | -20C to +85C (industrial range per datasheet) | -20C to +85C [DATA_NEEDED: full industrial temperature range from datasheet] |
| Tindminan RoHS | Compliant (per Alldatasheet listing) | Compliant |
| Motor Type | — | Bipolar Stepper |
| Output Current (Continuous) | — | ±1.5 A |
| Load Supply Voltage | — | 5 V to 50 V |
| Logic Supply Voltage | — | 4.5 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 |
| DAC Resolution | — | 3-bit nonlinear (sinusoidal) |
| Thermal Protection | — | Internal thermal shutdown |
| Output Transistor Technology | — | Power MOSFET / DMOS |