L9779WD-TR vs L9779WDM-TR 对比
详细并排对比 L9779WD-TR 出自 STMicroelectronics 和 L9779WDM-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
L9779WD-TR - Multifunction Engine Management PMIC | STMicroelectronics
L9779WD-TR ✓ 量产中STMicroelectronics
L9779WDM-TR - Automotive Quad Low-Side Driver | STMicroelectronics
L9779WDM-TR ✓ 量产中规格对比
| 参数 | L9779WD-TR | L9779WDM-TR |
|---|---|---|
| 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） | $9.40 | $1.85 |
| 功能 | Multifunction IC for engine management | — |
| 拓扑 | Engine Management PMIC with MSC interface | — |
| Process Technology | BCD6S | — |
| Supply Voltage (VBAT) | Up to 18 V typ., load-dump tolerant | — |
| Number of 5 V Sensor Supplies | 5 (current-limited) | — |
| Injector Low-Side Drivers | 4 x low-side drivers | — |
| Lamp/Relay Pre-Drivers | 4 x low-side pre-drivers | — |
| Communication Interface | MSC (L9779WD/-TR); SPI (L9779WD-SPI/-SPI-TR) | — |
| Watchdog | Yes (integrated) | — |
| KEY_ON Input | Yes (internal pull-down, external reverse-battery diode) | — |
| Charge Pump | Yes (internal, for N-channel FET drive) | — |
| 热关断 | Yes | — |
| 封装 | HiQUAD-64 (power package, exposed pad) | SOIC-20 (SO-20) |
| 工作温度 | -40C to +125C (automotive AEC-Q100 grade) | — |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | Compliant |
| Packaging | Tape & Reel (TR suffix) | — |
| 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 |
| MSL 等级 | — | 3 (168 hours) |
| AEC-Q100 | — | Qualified |