L9779WD vs L9678PTR-S Comparison
Detailed side-by-side comparison of L9779WD by STMicroelectronics and L9678PTR-S by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
L9678PTR-S - Automotive Airbag SBC w/ PSI5 & Battery Cut-Off | ST
L9678PTR-S ✓ ActiveSpecification Comparison
| Parameter | L9779WD | L9678PTR-S |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Power MOSFET Drivers | Power MOSFET Drivers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.85 | $3.50 |
| Manufacturer | STMicroelectronics | — |
| Part Number | L9779WD | — |
| Description | Multifunction IC for engine management system | — |
| Technology | BCD6S | — |
| Package | 64-pin HiQUAD power package | 64-pin LQFP, 10x10 mm |
| Mounting Type | 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) | — |
| Operating Temperature | -40 C to +150 C (junction) | — |
| Qualification | AEC-Q100 automotive grade | — |
| RoHS Status | Compliant | Compliant |
| Product Type | — | Automotive System Basis Chip (SBC) for airbag |
| Operating Voltage Min | — | 6.0 V |
| Operating Voltage Max | — | 18.0 V |
| Load-Dump Tolerant | — | Up to 40 V |
| Battery Cut-Off Switch | — | Integrated solid-state |
| PSI5 Interface | — | 2 channels, supports up to 10 satellites |
| High-Side Deployable Outputs | — | 2 channels |
| Low-Side Deployable Outputs | — | 4 channels |
| Host Interface | — | SPI (16-bit), up to 8 MHz |
| On-chip MCU | — | Dual ARM Cortex-M0 lockstep |
| Operating Temperature Range | — | -40 C to +95 C |
| AEC-Q100 Qualification | — | Yes |
| Functional Safety | — | ISO 26262 ASIL-D capable |