L9779WDAT2 vs L9678PTR-S Comparison
Detailed side-by-side comparison of L9779WDAT2 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
L9779WDAT2 - Multifunction Engine Management PMIC | STMicroelectronics
L9779WDAT2 ✓ ActiveSTMicroelectronics
L9678PTR-S - Automotive Airbag SBC w/ PSI5 & Battery Cut-Off | ST
L9678PTR-S ✓ ActiveSpecification Comparison
| Parameter | L9779WDAT2 | L9678PTR-S |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Power Management | Power MOSFET Drivers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $7.95 | $3.50 |
| Product Type | Multifunction Automotive Power Management IC (PMIC) | Automotive System Basis Chip (SBC) for airbag |
| 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) | — |
| Package | 64-pin HiQUAD (HQFP-64) power package with exposed pad | 64-pin LQFP, 10x10 mm |
| Mounting Type | Surface Mount | Surface Mount |
| 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 | — |
| Operating Temperature Range | -40 C to +150 C (AEC-Q100 automotive grade-0, typ.) | -40 C to +95 C |
| AEC-Q100 Qualification | Qualified (automotive grade) | Yes |
| RoHS Status | Compliant | Compliant |
| Lead-Free | Yes | — |
| MSL Level | [DATA_NEEDED: MSL rating per JEDEC J-STD-020] | — |
| 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 |
| Functional Safety | — | ISO 26262 ASIL-D capable |