L9679P vs L9779WD Karşılaştırma
Ayrıntılı yan yana karşılaştırma L9679P tarafından STMicroelectronics ve L9779WD tarafından STMicroelectronicsAnahtar özellikleri, elektriksel parametreleri, ambalajı, yaşam döngüsü durumu, fiyatlandırma ve mevcudiyeti karşılaştırarak tasarım gereksinimleriniz için en iyi bileşeni belirleyin.
Özellik Karşılaştırması
| Parametre | L9679P | L9779WD |
|---|---|---|
| Marka | STMicroelectronics | STMicroelectronics |
| Kategori | Specialized PMIC | Power MOSFET Drivers |
| Yaşam Döngüsü Durumu | Aktif | Aktif |
| Fonksiyon | Automotive advanced airbag IC for mid/high-end applications | — |
| Paket | 100-TQFP (14x14 mm) | 64-pin HiQUAD power package |
| Pin Sayısı | 100 | — |
| Pitch | 0.5 mm | — |
| Besleme Gerilimi | 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 | — |
| İşletim Sıcaklığı | -40 C to +125 C (AEC-Q100) | -40 C to +150 C (junction) |
| Automotive Qualification | AEC-Q100 qualified | — |
| Process Technology | BCD (Bipolar-CMOS-DMOS) | — |
| RoHS Durumu | Compliant | Compliant |
| Montaj Türü | Surface Mount | Surface Mount (Power Package) |
| MSL Seviyesi | 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 |