L9779WD vs L9678PTR Comparação
Comparação detalhada lado a lado de L9779WD por STMicroelectronics e L9678PTR por STMicroelectronics. Compare especificações principais, parâmetros elétricos, encapsulamento, status do ciclo de vida, preços e disponibilidade para determinar o melhor componente para os requisitos do seu projeto.
STMicroelectronics
L9678PTR - Automotive Airbag System Basis IC | STMicroelectronics
L9678PTR ✓ AtivoComparação de especificações
| Parâmetro | L9779WD | L9678PTR |
|---|---|---|
| Marca | STMicroelectronics | STMicroelectronics |
| Categoria | Power MOSFET Drivers | Power MOSFET Drivers |
| Status do ciclo de vida | Ativo | Ativo |
| Status do estoque | In Stock | In Stock |
| Preço unitário (USD) | $5,85 | $5,19 |
| Manufacturer | STMicroelectronics | — |
| Part Number | L9779WD | — |
| Description | Multifunction IC for engine management system | — |
| Technology | BCD6S | — |
| Encapsulamento | 64-pin HiQUAD power package | 64-LQFP (10x10 mm) |
| Tipo de montagem | 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) | — |
| Temperatura de operação | -40 C to +150 C (junction) | — |
| Qualification | AEC-Q100 automotive grade | — |
| Status 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) |
| Faixa de temperatura de operação | — | -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 |
| Nível MSL | — | 3 (168 hours) |