L9779WDAT2 vs L9679P Comparison
Detailed side-by-side comparison of L9779WDAT2 by STMicroelectronics and L9679P 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 ✓ Active
Specification Comparison
| Parameter | L9779WDAT2 | L9679P |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Power Management | Specialized PMIC |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $7.95 | $6.18 |
| Product Type | Multifunction Automotive Power Management IC (PMIC) | — |
| Function | Engine management system-basis chip with integrated drivers | Automotive advanced airbag IC for mid/high-end applications |
| Supply Voltage Range | 2.9 V to 5.5 V (main logic supply) | — |
| Communication Interface | SPI (Serial Peripheral Interface) | SPI (4-wire, configurable) |
| Process Technology | BCD6S (ST proprietary mixed-signal) | BCD (Bipolar-CMOS-DMOS) |
| Package | 64-pin HiQUAD (HQFP-64) power package with exposed pad | 100-TQFP (14x14 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 | Internal window watchdog |
| 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) | — |
| RoHS Status | Compliant | Compliant |
| Lead-Free | Yes | — |
| MSL Level | [DATA_NEEDED: MSL rating per JEDEC J-STD-020] | 3 (168 hours) |
| 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 |
| Sensor Interface | — | Up to 4 analog sensor channels |
| 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 |