L9679P vs L9779WDAT2 Comparison
Detailed side-by-side comparison of L9679P 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
L9779WDAT2 - Multifunction Engine Management PMIC | STMicroelectronics
L9779WDAT2 ✓ ActiveSpecification Comparison
| Parameter | L9679P | L9779WDAT2 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Specialized PMIC | Power Management |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $6.18 | $7.95 |
| Function | Automotive advanced airbag IC for mid/high-end applications | Engine management system-basis chip with integrated drivers |
| Package | 100-TQFP (14x14 mm) | 64-pin HiQUAD (HQFP-64) power package with exposed pad |
| Pin Count | 100 | — |
| Pitch | 0.5 mm | — |
| Supply Voltage | 5 V to 18 V nominal; up to 40 V transient | — |
| Battery Voltage Range | 6 V to 18 V (extended 4 V to 40 V for cold-crank and load-dump) | — |
| Squib Driver Channels | 4 high-side / low-side channels | — |
| Communication Interface | SPI (4-wire, configurable) | SPI (Serial Peripheral Interface) |
| Sensor Interface | Up to 4 analog sensor channels | — |
| Watchdog | Internal window watchdog | Integrated SPI-configurable watchdog timer |
| Diagnostic Features | Squib resistance measurement, short-to-battery / short-to-ground detection, open-load detection | — |
| Operating Temperature | -40 C to +125 C (AEC-Q100) | — |
| Automotive Qualification | AEC-Q100 qualified | — |
| Process Technology | BCD (Bipolar-CMOS-DMOS) | BCD6S (ST proprietary mixed-signal) |
| RoHS Status | Compliant | Compliant |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 (168 hours) | [DATA_NEEDED: MSL rating per JEDEC J-STD-020] |
| Product Type | — | Multifunction Automotive Power Management IC (PMIC) |
| Supply Voltage Range | — | 2.9 V to 5.5 V (main logic supply) |
| Output Channels | — | Configurable power stages + OUT21-OUT28 stepper/driver stages |
| Integrated Regulators | — | 5V and 3.3V linear regulators (typ.) |
| 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.) |
| AEC-Q100 Qualification | — | Qualified (automotive grade) |
| Lead-Free | — | Yes |