L9779WD-SPI-TR vs L9779WDM-TR 对比
详细并排对比 L9779WD-SPI-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-SPI-TR - Automotive Engine Mgmt Multifunction PMIC | STMicroelectronics
L9779WD-SPI-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-SPI-TR | L9779WDM-TR |
|---|---|---|
| 品牌 | STMicroelectronics | STMicroelectronics |
| 分类 | Voltage Regulators | 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） | $14.50 | $1.85 |
| Product Type | Multifunction Engine Management PMIC | — |
| Technology | BCD6S smart power | — |
| Supply Voltage (VBAT) | [DATA_NEEDED: VBAT operating range V] | — |
| Output Channels | Multiple low-side/high-side drivers (injectors, ignition, relays, lamps) | — |
| Communication Interface | SPI (daisy-chain capable) | — |
| SPI Clock Frequency | Up to 5 MHz | — |
| 工作温度范围 | -40 C to +125 C | -40C to +150C |
| 封装 | HiQUAD-64 (S-PQFP-G64) | SOIC-20 (SO-20) |
| 引脚数量 | 64 | — |
| 安装类型 | Surface Mount | Surface Mount |
| Key Features | Reverse-battery protection on KEY_ON, MRD output, freewheeling diodes, diagnostic feedback, fail-safe outputs | — |
| Diagnostic Functions | Open-load, short-to-battery, short-to-ground, over-temperature | — |
| Qualification | Automotive grade | — |
| Tape and Reel Packaging | Yes (suffix -TR) | — |
| RoHS 状态 | Compliant | Compliant |
| 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 |
| MSL 等级 | — | 3 (168 hours) |
| AEC-Q100 | — | Qualified |