L9779WD vs L9679P Comparação
Comparação detalhada lado a lado de L9779WD por STMicroelectronics e L9679P 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.
Comparação de especificações
| Parâmetro | L9779WD | L9679P |
|---|---|---|
| Marca | STMicroelectronics | STMicroelectronics |
| Categoria | Power MOSFET Drivers | Specialized PMIC |
| Status do ciclo de vida | Ativo | Ativo |
| Status do estoque | In Stock | In Stock |
| Preço unitário (USD) | $5,85 | $6,18 |
| Manufacturer | STMicroelectronics | — |
| Part Number | L9779WD | — |
| Description | Multifunction IC for engine management system | — |
| Technology | BCD6S | — |
| Encapsulamento | 64-pin HiQUAD power package | 100-TQFP (14x14 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) | SPI (4-wire, configurable) |
| Watchdog | SPI challenge/response with Markov chain | Internal window watchdog |
| 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) | -40 C to +125 C (AEC-Q100) |
| Qualification | AEC-Q100 automotive grade | — |
| Status RoHS | Compliant | Compliant |
| Função | — | Automotive advanced airbag IC for mid/high-end applications |
| Contagem de pinos | — | 100 |
| Pitch | — | 0.5 mm |
| Tensão de alimentação | — | 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 |
| Sensor Interface | — | Up to 4 analog sensor channels |
| Diagnostic Features | — | Squib resistance measurement, short-to-battery / short-to-ground detection, open-load detection |
| Automotive Qualification | — | AEC-Q100 qualified |
| Process Technology | — | BCD (Bipolar-CMOS-DMOS) |
| Nível MSL | — | 3 (168 hours) |