AMT49413 vs A3938SLDTR-T 비교
다음의 상세 나란히 비교: AMT49413 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.
사양 비교
| 파라미터 | AMT49413 | 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) | $3.10 | $4.05 |
| 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 | — |
| 동기 정류 | Yes (programmable) | Yes (low-side) |
| Charge Pump | Integrated for high-side gate drive | — |
| 패키지 | 48-pin QFN-EP (7 mm x 7 mm) with exposed thermal pad | 38-pin TSSOP (LD) |
| 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 | — |
| 실장 유형 | Surface Mount (QFN-EP) | Surface Mount |
| 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 |
| Dead Time Adjustment | — | Adjustable (external resistor) |
| MOSFET Protection | — | Cross-conduction / shoot-through protection |
| PWM Input | — | Logic-level compatible |
| Packaging | — | Tape & Reel (TR) |
| 동작 온도 | — | -20C to +85C (industrial range per datasheet) |
| RoHS 상태 | — | Compliant (per Alldatasheet listing) |