AMT49413 vs A3938SLDTR-T 对比
详细并排对比 AMT49413 出自 Allegro MicroSystems 和 A3938SLDTR-T 出自 Allegro MicroSystems。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Allegro MicroSystems
A3938SLDTR-T - 3-Phase BLDC MOSFET Controller, 50V | Allegro
A3938SLDTR-T ✓ 量产中规格对比
| 参数 | AMT49413 | A3938SLDTR-T |
|---|---|---|
| 品牌 | Allegro MicroSystems | Allegro MicroSystems |
| 分类 | Motor Drivers | Motor Drivers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（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 | — |
| 同步整流 | Yes (programmable) | Yes (low-side) |
| Charge Pump | Integrated for high-side gate drive | — |
| 封装 | 48-pin QFN-EP (7 mm x 7 mm) with exposed thermal pad | 38-pin TSSOP (LD) |
| 工作温度范围 | -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 | — |
| 安装类型 | Surface Mount (QFN-EP) | Surface Mount |
| 功能 | — | Three-phase BLDC motor controller / MOSFET gate driver |
| Motor Supply Voltage | — | 18 V to 50 V |
| 拓扑 | — | Three-phase, 6-step PWM / synchronous rectification |
| 输出数量 | — | 3 half-bridge gate drive channels |
| 输出配置 | — | 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) |
| 工作温度 | — | -20C to +85C (industrial range per datasheet) |
| RoHS 状态 | — | Compliant (per Alldatasheet listing) |