A3938SLDTR-T vs A3938SLDT 对比
详细并排对比 A3938SLDTR-T 出自 Allegro MicroSystems 和 A3938SLDT 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 | A3938SLDTR-T | A3938SLDT |
|---|---|---|
| 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） | $4.05 | $3.95 |
| 功能 | Three-phase BLDC motor controller / MOSFET gate driver | Three-Phase BLDC Motor Controller / MOSFET Gate Driver |
| Motor Supply Voltage | 18 V to 50 V | Up 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) | Six N-channel MOSFET gate drivers (3 high-side + 3 low-side) |
| High-Side Drive | Bootstrap with internal bootstrap diode | Bootstrapped with integrated bootstrap management |
| 同步整流 | Yes (low-side) | — |
| Dead Time Adjustment | Adjustable (external resistor) | — |
| MOSFET Protection | Cross-conduction / shoot-through protection | — |
| PWM Input | Logic-level compatible | — |
| 封装 | 38-pin TSSOP (LD) | 38-pin TSSOP with exposed thermal pad (LD suffix) |
| 安装类型 | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | — |
| 工作温度 | -20C to +85C (industrial range per datasheet) | -40C to +85C (TB075 suffix SLD) [DATA_NEEDED: confirm exact temp grade from datasheet] |
| RoHS 状态 | Compliant (per Alldatasheet listing) | Compliant (per distributor listings) |
| Motor Type | — | Brushless DC (BLDC), three-phase |
| Logic Input Compatibility | — | 3.3 V / 5 V CMOS logic |
| Dead Time | — | Programmable (per datasheet) |
| Undervoltage Lockout (UVLO) | — | Logic and gate-drive rails |
| 热关断 | — | Yes (internal) |
| MSL 等级 | — | [DATA_NEEDED: confirm from datasheet] |
| PWM Frequency | — | Up to [DATA_NEEDED] kHz (verify in datasheet) |