L9779WDM-TR vs L9779WD 对比
详细并排对比 L9779WDM-TR 出自 STMicroelectronics 和 L9779WD 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
L9779WDM-TR - Automotive Quad Low-Side Driver | STMicroelectronics
L9779WDM-TR ✓ 量产中
规格对比
| 参数 | L9779WDM-TR | L9779WD |
|---|---|---|
| 品牌 | STMicroelectronics | STMicroelectronics |
| 分类 | Power MOSFET 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） | $1.85 | $5.85 |
| Number of Channels | 4 | — |
| 输出类型 | Low-Side Open-Drain | — |
| Supply Voltage Range | 4.5 V to 40 V | — |
| Maximum Output Current per Channel | 1 A | — |
| On-Resistance (Typical) | 0.5 ohm | — |
| 静态电流 | 10 uA (standby) | — |
| PWM Frequency | Up to 20 kHz | — |
| 接口 | SPI | — |
| Protection Features | Overcurrent, Overtemperature, Short-Circuit | — |
| 工作温度范围 | -40C to +150C | — |
| 封装 | SOIC-20 (SO-20) | 64-pin HiQUAD power package |
| 安装类型 | Surface Mount | Surface Mount (Power Package) |
| MSL 等级 | 3 (168 hours) | — |
| RoHS 状态 | Compliant | Compliant |
| AEC-Q100 | Qualified | — |
| Manufacturer | — | STMicroelectronics |
| Part Number | — | L9779WD |
| Description | — | Multifunction IC for engine management system |
| Technology | — | BCD6S |
| Supply Voltage (VSUP) | — | 6 V to 18 V (40 V transient) |
| 5V MCU Regulator | — | 5 V nominal, up to 250 mA |
| 5V Sensor Supply | — | 5 V nominal, up to 150 mA |
| Communication Interface | — | SPI (serial peripheral interface) |
| Watchdog | — | SPI challenge/response with Markov chain |
| Injection Predrivers | — | 4 channels (INJ1-INJ4) |
| Ignition Predrivers | — | Integrated |
| Stepper Predriver | — | 2 channels (idle air control / throttle) |
| Relay Drivers | — | Main relay, oil/oxygen sensor relay |
| Tachometer / Hall Input | — | TACH |
| Reverse Battery Protection | — | External diode on KEY_ON (internal pull-down) |
| 工作温度 | — | -40 C to +150 C (junction) |
| Qualification | — | AEC-Q100 automotive grade |