L9942 vs L9942-TR 对比
详细并排对比 L9942 出自 STMicroelectronics 和 L9942-TR 出自 STMicroelectronics。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。
STMicroelectronics
L9942 - Integrated Stepper Motor Driver with Microstepping | STMicroelectronics
L9942 ✓ 量产中STMicroelectronics
L9942-TR - Automotive Dual-Channel Low-Side Driver | STMicroelectronics
L9942-TR ✓ 量产中规格对比
| 参数 | L9942 | L9942-TR |
|---|---|---|
| 品牌 | STMicroelectronics | STMicroelectronics |
| 分类 | Motor Drivers | Power MOSFET 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 | $1.82 |
| Motor Type | Bipolar Stepper | — |
| Output Current | 1.3 A (max) | — |
| RDSON | 500 mΩ | — |
| 电源电压 | 4.5 V to 40 V | — |
| Stepping Modes | Full, Half, Mini | — |
| Current Profile Look-up Table | 9 entries, 5-bit resolution | — |
| Current Regulation | Integrated PWM controller with internal current sensing | — |
| 接口 | SPI (up to 5 MHz) | — |
| 封装 | PowerSSO-24 | PowerSO-20 |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40°C to +150°C | — |
| 热阻 | 35°C/W | — |
| Protection Features | Overcurrent, Thermal Shutdown, Diagnostic Output | Overcurrent, Overtemperature, Short-Circuit |
| Process Technology | BCD (Bipolar-CMOS-DMOS) | — |
| RoHS 状态 | Compliant | Compliant |
| Number of Channels | — | 2 |
| 输出类型 | — | Low-Side |
| Supply Voltage Range | — | 4.5 V to 40 V |
| Output Current per Channel | — | 1.5 A |
| Control Interface | — | SPI (16-bit) |
| SPI Clock Frequency | — | 5 MHz |
| 静态电流 | — | 50 uA (standby) |
| 工作温度范围 | — | -40C to +150C |
| Diagnostics | — | SPI fault reporting |
| AEC-Q100 | — | Qualified |
| Technology | — | BCD (Bipolar-CMOS-DMOS) |