A4975SLBTR-T vs A3938SLDTR-T 비교
다음의 상세 나란히 비교: A4975SLBTR-T 제조: Allegro MicroSystems 및 A3938SLDTR-T 제조: Allegro MicroSystems. 주요 사양, 전기적 파라미터, 패키징, 수명 주기 상태, 가격 및 재고를 비교하여 설계 요구 사항에 가장 적합한 부품을 결정하십시오.
Allegro MicroSystems
A4975SLBTR-T - ±1.5A Full-Bridge PWM Microstepping Driver | Allegro
A4975SLBTR-T ✓ 활성
사양 비교
| 파라미터 | A4975SLBTR-T | A3938SLDTR-T |
|---|---|---|
| 브랜드 | Allegro MicroSystems | Allegro MicroSystems |
| 카테고리 | Motor Drivers | Motor Drivers |
| 수명 주기 상태 | 활성 | 활성 |
| 재고 상태 | In Stock | In Stock |
| 단가 (USD) | $2.95 | $4.05 |
| Motor Type | Bipolar Stepper | — |
| 출력 수 | 1 full-bridge (one phase winding) | 3 half-bridge gate drive channels |
| 출력 구성 | 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) | — |
| 동기 정류 | Internal (no external flyback diodes required) | Yes (low-side) |
| Thermal Protection | Internal thermal shutdown | — |
| 동작 온도 | -20C to +85C [DATA_NEEDED: full industrial temperature range from datasheet] | -20C to +85C (industrial range per datasheet) |
| 패키지 | 16-pin SOIC with exposed thermal pad (SLB) | 38-pin TSSOP (LD) |
| 실장 유형 | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) |
| RoHS 상태 | Compliant | Compliant (per Alldatasheet listing) |
| Output Transistor Technology | Power MOSFET / DMOS | — |
| 기능 | — | Three-phase BLDC motor controller / MOSFET gate driver |
| Motor Supply Voltage | — | 18 V to 50 V |
| 토폴로지 | — | 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 |