L9779WD-SPI-TR vs L9779WD 对比
详细并排对比 L9779WD-SPI-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
L9779WD-SPI-TR - Automotive Engine Mgmt Multifunction PMIC | STMicroelectronics
L9779WD-SPI-TR ✓ 量产中规格对比
| 参数 | L9779WD-SPI-TR | L9779WD |
|---|---|---|
| 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 | $5.85 |
| Product Type | Multifunction Engine Management PMIC | — |
| Technology | BCD6S smart power | BCD6S |
| 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 (serial peripheral interface) |
| SPI Clock Frequency | Up to 5 MHz | — |
| 工作温度范围 | -40 C to +125 C | — |
| 封装 | HiQUAD-64 (S-PQFP-G64) | 64-pin HiQUAD power package |
| 引脚数量 | 64 | — |
| 安装类型 | Surface Mount | Surface Mount (Power Package) |
| 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 | AEC-Q100 automotive grade |
| Tape and Reel Packaging | Yes (suffix -TR) | — |
| RoHS 状态 | Compliant | Compliant |
| Manufacturer | — | STMicroelectronics |
| Part Number | — | L9779WD |
| Description | — | Multifunction IC for engine management system |
| 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 |
| 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) |