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