L9679P vs L9779WD مقارنة
مقارنة تفصيلية جنبًا إلى جنب لـ L9679P بواسطة STMicroelectronics و L9779WD بواسطة STMicroelectronics. قارن المواصفات الرئيسية والمعلمات الكهربائية والتغليف وحالة دورة الحياة والأسعار والتوافر لتحديد أفضل مكوّن لمتطلبات تصميمك.
مقارنة المواصفات
| المعامل | L9679P | L9779WD |
|---|---|---|
| العلامة التجارية | STMicroelectronics | STMicroelectronics |
| الفئة | Specialized PMIC | Power MOSFET Drivers |
| حالة دورة الحياة | نشط | نشط |
| الوظيفة | Automotive advanced airbag IC for mid/high-end applications | — |
| العلبة | 100-TQFP (14x14 mm) | 64-pin HiQUAD power package |
| عدد الأطراف | 100 | — |
| Pitch | 0.5 mm | — |
| جهد التغذية | 5 V to 18 V nominal; up to 40 V transient | — |
| Battery Voltage Range | 6 V to 18 V (extended 4 V to 40 V for cold-crank and load-dump) | — |
| Squib Driver Channels | 4 high-side / low-side channels | — |
| Communication Interface | SPI (4-wire, configurable) | SPI (serial peripheral interface) |
| Sensor Interface | Up to 4 analog sensor channels | — |
| Watchdog | Internal window watchdog | SPI challenge/response with Markov chain |
| Diagnostic Features | Squib resistance measurement, short-to-battery / short-to-ground detection, open-load detection | — |
| درجة حرارة التشغيل | -40 C to +125 C (AEC-Q100) | -40 C to +150 C (junction) |
| Automotive Qualification | AEC-Q100 qualified | — |
| Process Technology | BCD (Bipolar-CMOS-DMOS) | — |
| حالة RoHS | Compliant | Compliant |
| نوع التركيب | Surface Mount | Surface Mount (Power Package) |
| مستوى MSL | 3 (168 hours) | — |
| 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 |
| 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) |
| Qualification | — | AEC-Q100 automotive grade |