A3938SLDT vs A3938SLDTR-T 对比
详细并排对比 A3938SLDT 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 | A3938SLDT | 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） | $3.95 | $4.05 |
| 功能 | Three-Phase BLDC Motor Controller / MOSFET Gate Driver | Three-phase BLDC motor controller / MOSFET gate driver |
| Motor Type | Brushless DC (BLDC), three-phase | — |
| Motor Supply Voltage | Up to 50 V | 18 V to 50 V |
| 输出配置 | Six N-channel MOSFET gate drivers (3 high-side + 3 low-side) | Pre-driver for N-channel MOSFETs (high-side + low-side) |
| High-Side Drive | Bootstrapped with integrated bootstrap management | Bootstrap with internal bootstrap diode |
| 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) | — |
| 工作温度 | -40C to +85C (TB075 suffix SLD) [DATA_NEEDED: confirm exact temp grade from datasheet] | -20C to +85C (industrial range per datasheet) |
| 封装 | 38-pin TSSOP with exposed thermal pad (LD suffix) | 38-pin TSSOP (LD) |
| 安装类型 | Surface Mount | Surface Mount |
| MSL 等级 | [DATA_NEEDED: confirm from datasheet] | — |
| RoHS 状态 | Compliant (per distributor listings) | Compliant (per Alldatasheet listing) |
| PWM Frequency | Up to [DATA_NEEDED] kHz (verify in datasheet) | — |
| 拓扑 | — | Three-phase, 6-step PWM / synchronous rectification |
| 输出数量 | — | 3 half-bridge gate drive channels |
| 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 |
| Packaging | — | Tape & Reel (TR) |