A3938SLDTR-T vs AMT49413 비교
다음의 상세 나란히 비교: A3938SLDTR-T 제조: Allegro MicroSystems 및 AMT49413 제조: Allegro MicroSystems. 주요 사양, 전기적 파라미터, 패키징, 수명 주기 상태, 가격 및 재고를 비교하여 설계 요구 사항에 가장 적합한 부품을 결정하십시오.
사양 비교
| 파라미터 | A3938SLDTR-T | AMT49413 |
|---|---|---|
| 브랜드 | Allegro MicroSystems | Allegro MicroSystems |
| 카테고리 | Motor Drivers | Motor Drivers |
| 수명 주기 상태 | 활성 | 활성 |
| 재고 상태 | In Stock | In Stock |
| 단가 (USD) | $4.05 | $3.10 |
| 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 | — |
| 출력 수 | 3 half-bridge gate drive channels | — |
| 출력 구성 | Pre-driver for N-channel MOSFETs (high-side + low-side) | — |
| High-Side Drive | Bootstrap with internal bootstrap diode | — |
| 동기 정류 | Yes (low-side) | Yes (programmable) |
| Dead Time Adjustment | Adjustable (external resistor) | — |
| MOSFET Protection | Cross-conduction / shoot-through protection | — |
| PWM Input | Logic-level compatible | — |
| 패키지 | 38-pin TSSOP (LD) | 48-pin QFN-EP (7 mm x 7 mm) with exposed thermal pad |
| 실장 유형 | Surface Mount | Surface Mount (QFN-EP) |
| Packaging | Tape & Reel (TR) | — |
| 동작 온도 | -20C to +85C (industrial range per datasheet) | — |
| RoHS 상태 | Compliant (per Alldatasheet listing) | — |
| Motor Type | — | 3-phase brushless DC (BLDC) |
| Supply Voltage Range | — | 5.5 V to 50 V (functional); 7 V to 50 V (full gate drive) |
| Gate Drive Voltage | — | Greater than 10 V VGS at VBB down to 7 V |
| External FET Type | — | N-channel MOSFETs (3-phase bridge) |
| Control Method | — | Fixed-frequency PWM with Hall-sensor commutation |
| Current Sensing | — | Internal current-sense amplifier with external sense resistor |
| Charge Pump | — | Integrated for high-side gate drive |
| 동작 온도 범위 | — | -40C to +150C (junction) |
| Commutation Method | — | Integrated Hall-effect sensor inputs (3 sensors) |
| PWM Frequency | — | Programmable (per datasheet) |
| Duty Cycle | — | 0% to 100% |
| Protection Features | — | Undervoltage lockout, thermal shutdown, short-circuit protection |
| Automotive Grade | — | Designed for automotive and industrial applications |