L9779WDAT2 vs L9678PTR Comparison
Detailed side-by-side comparison of L9779WDAT2 by STMicroelectronics and L9678PTR 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 - Automotive Airbag System Basis IC | STMicroelectronics
L9678PTR ✓ ActiveSpecification Comparison
| Parameter | L9779WDAT2 | L9678PTR |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Power Management | Power MOSFET Drivers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $7.95 | $5.19 |
| Product Type | Multifunction Automotive Power Management IC (PMIC) | Automotive Airbag System Basis IC (SBI) |
| 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-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) | — |
| RoHS Status | Compliant | Compliant |
| Lead-Free | Yes | — |
| MSL Level | [DATA_NEEDED: MSL rating per JEDEC J-STD-020] | 3 (168 hours) |
| Operating Voltage (VBAT) | — | 6 V to 18 V (load-dump tolerant up to 40 V) |
| 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 |