L9779WD vs L9678PTR Comparaison
Comparaison détaillée côte à côte de L9779WD par STMicroelectronics et L9678PTR par STMicroelectronics. Comparez les spécifications clés, les paramètres électriques, le conditionnement, le statut de cycle de vie, les prix et la disponibilité pour déterminer le meilleur composant pour vos exigences de conception.
STMicroelectronics
L9678PTR - Automotive Airbag System Basis IC | STMicroelectronics
L9678PTR ✓ ActifComparaison des spécifications
| Paramètre | L9779WD | L9678PTR |
|---|---|---|
| Marque | STMicroelectronics | STMicroelectronics |
| Catégorie | Power MOSFET Drivers | Power MOSFET Drivers |
| Statut du cycle de vie | Actif | Actif |
| Statut du stock | In Stock | In Stock |
| Prix unitaire (USD) | $5,85 | $5,19 |
| Manufacturer | STMicroelectronics | — |
| Part Number | L9779WD | — |
| Description | Multifunction IC for engine management system | — |
| Technology | BCD6S | — |
| Boîtier | 64-pin HiQUAD power package | 64-LQFP (10x10 mm) |
| Type de montage | Surface Mount (Power Package) | Surface Mount |
| 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) | — |
| Température de fonctionnement | -40 C to +150 C (junction) | — |
| Qualification | AEC-Q100 automotive grade | — |
| Statut RoHS | Compliant | Compliant |
| Product Type | — | Automotive Airbag System Basis IC (SBI) |
| Operating Voltage (VBAT) | — | 6 V to 18 V (load-dump tolerant up to 40 V) |
| Plage de température de fonctionnement | — | -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 |
| Niveau MSL | — | 3 (168 hours) |