A3938SLDTR-T vs A4980KLPTR-T Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng A3938SLDTR-T sa pamamagitan ng Allegro MicroSystems at A4980KLPTR-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
A4980KLPTR-T - 28V 1.4A Bipolar Stepper Driver, TSSOP-28EP | Allegro
A4980KLPTR-T ✓ NakahandaPagsanggunian na paghahambing
| Parametro | A3938SLDTR-T | A4980KLPTR-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 | — |
| Output Kumpigurasyon | Pre-driver for N-channel MOSFETs (high-side + low-side) | — |
| High-Side Drive | Bootstrap with internal bootstrap diode | — |
| Sangayang Pag-ayosang Sinasaklaw | Yes (low-side) | — |
| Dead Time Adjustment | Adjustable (external resistor) | — |
| MOSFET Protection | Cross-conduction / shoot-through protection | — |
| PWM Input | Logic-level compatible | — |
| Packhaging | 38-pin TSSOP (LD) | 28-pin TSSOP with exposed thermal pad (KLP) |
| Uri ng Pagpapasok | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | — |
| Temperature na Operasyon | -20C to +85C (industrial range per datasheet) | — |
| Tindminan RoHS | Compliant (per Alldatasheet listing) | Compliant |
| Motor Type | — | Bipolar stepper |
| Step Resolution | — | Full, 1/2, 1/4, 1/16 microstep |
| Motor Supply Voltage (max) | — | 28 V |
| Output Current per Phase (peak) | — | ±1.4 A |
| Output Current per Phase (continuous, typical) | — | ±750 mA |
| Low-side RDS(on) | — | 0.5 Ω typical |
| Output Stage | — | DMOS with synchronous rectification |
| Control Interface | — | Step/Direction + SPI-compatible serial |
| Current Decay Modes | — | Automatic selection of Mixed, Fast, Slow |
| Shoot-through Protection | — | Yes, internal timers |
| Output Short-circuit Protection | — | Yes |
| Stalled Rotor Detection | — | Yes (flag via SPI) |
| Low-load-current Detection | — | Yes (flag via SPI) |
| Hanay ng Temperature na Operasyon | — | [DATA_NEEDED: operating temperature range] |
| AEC-Q100 Automotive Grade | — | Automotive qualified (per datasheet title) |
| Tape & Reel Quantity | — | 4000 per reel (T suffix) |