L9678PTR vs L9779WDAT2 Comparison
Detailed side-by-side comparison of L9678PTR 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 - Automotive Airbag System Basis IC | STMicroelectronics
L9678PTR ✓ ActiveSTMicroelectronics
L9779WDAT2 - Multifunction Engine Management PMIC | STMicroelectronics
L9779WDAT2 ✓ ActiveSpecification Comparison
| Parameter | L9678PTR | L9779WDAT2 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Power MOSFET Drivers | Power Management |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $5.19 | $7.95 |
| Product Type | Automotive Airbag System Basis IC (SBI) | Multifunction Automotive Power Management IC (PMIC) |
| Package | 64-LQFP (10x10 mm) | 64-pin HiQUAD (HQFP-64) power package with exposed pad |
| Operating Voltage (VBAT) | 6 V to 18 V (load-dump tolerant up to 40 V) | — |
| Operating Temperature Range | -40 C to +95 C | -40 C to +150 C (AEC-Q100 automotive grade-0, typ.) |
| 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 | — |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 (168 hours) | [DATA_NEEDED: MSL rating per JEDEC J-STD-020] |
| 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 |
| AEC-Q100 Qualification | — | Qualified (automotive grade) |
| Lead-Free | — | Yes |