L9678PTR-S vs L9779WDAT2 Comparison
Detailed side-by-side comparison of L9678PTR-S by STMicroelectronics and L9779WDAT2 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 ✓ ActiveSTMicroelectronics
L9779WDAT2 - Multifunction Engine Management PMIC | STMicroelectronics
L9779WDAT2 ✓ ActiveSpecification Comparison
| Parameter | L9678PTR-S | L9779WDAT2 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Power MOSFET Drivers | Power Management |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.50 | $7.95 |
| Product Type | Automotive System Basis Chip (SBC) for airbag | Multifunction Automotive Power Management IC (PMIC) |
| 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 | -40 C to +150 C (AEC-Q100 automotive grade-0, typ.) |
| Package | 64-pin LQFP, 10x10 mm | 64-pin HiQUAD (HQFP-64) power package with exposed pad |
| Mounting Type | Surface Mount | Surface Mount |
| AEC-Q100 Qualification | Yes | Qualified (automotive grade) |
| Functional Safety | ISO 26262 ASIL-D capable | — |
| RoHS Status | Compliant | Compliant |
| Function | — | Engine management system-basis chip with integrated drivers |
| Supply Voltage Range | — | 2.9 V to 5.5 V (main logic supply) |
| Communication Interface | — | SPI (Serial Peripheral Interface) |
| Process Technology | — | BCD6S (ST proprietary mixed-signal) |
| Output Channels | — | Configurable power stages + OUT21-OUT28 stepper/driver stages |
| Integrated Regulators | — | 5V and 3.3V linear regulators (typ.) |
| Watchdog | — | Integrated SPI-configurable watchdog timer |
| Driver Type | — | High-side / low-side configurable predrivers for external N-MOSFETs |
| Lead-Free | — | Yes |
| MSL Level | — | [DATA_NEEDED: MSL rating per JEDEC J-STD-020] |