L9678PTR vs L9779WD مقایسه
مقایسه دقیق کنار به کنار L9678PTR توسط STMicroelectronics و L9779WD توسط STMicroelectronics. مشخصات کلیدی، پارامترهای الکتریکی، بسته‌بندی، وضعیت چرخه عمر، قیمت‌گذاری و موجودی را مقایسه کنید تا بهترین قطعه را برای نیازهای طراحی خود تعیین کنید.
STMicroelectronics
L9678PTR - Automotive Airbag System Basis IC | STMicroelectronics
L9678PTR ✓ فعال
مقایسه مشخصات
| پارامتر | L9678PTR | L9779WD |
|---|---|---|
| برند | STMicroelectronics | STMicroelectronics |
| دسته‌بندی | Power MOSFET Drivers | Power MOSFET Drivers |
| وضعیت چرخه عمر | فعال | فعال |
| Product Type | Automotive Airbag System Basis IC (SBI) | — |
| بسته‌بندی | 64-LQFP (10x10 mm) | 64-pin HiQUAD power package |
| Operating Voltage (VBAT) | 6 V to 18 V (load-dump tolerant up to 40 V) | — |
| محدوده دمای کاری | -40 C to +95 C | — |
| Integrated Linear Regulator 1 | 5 V with external pass transistor | — |
| Integrated Linear Regulator 2 | 3.3 V fully integrated | — |
| Optional Regulator | 7.2 V via external pass transistor (for PSI5 sensor supply) | — |
| Satellite Sensor Interface Channels | 4 channels (analog / PSI5 selectable) | — |
| PSI5 Support | Yes (Manchester-coded remote sensor interface) | — |
| Battery Cut-off Switch | Yes (high-side) | — |
| Energy Reserve Management | Yes (external reservoir capacitor) | — |
| VDDQ Supply Pins | 2 (5 V and 3.3 V I/O compatible) | — |
| SPI Control Interface | Yes (MCU communication, watchdog-linked) | — |
| Automotive Grade | AEC-Q100 capable | — |
| نوع نصب | Surface Mount | Surface Mount (Power Package) |
| سطح MSL | 3 (168 hours) | — |
| وضعیت RoHS | Compliant | Compliant |
| 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) |
| دمای کاری | — | -40 C to +150 C (junction) |
| Qualification | — | AEC-Q100 automotive grade |