L9779WD-SPI-TR vs L9779WDAT2 Comparison
Detailed side-by-side comparison of L9779WD-SPI-TR 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
L9779WD-SPI-TR - Automotive Engine Mgmt Multifunction PMIC | STMicroelectronics
L9779WD-SPI-TR ✓ ActiveSTMicroelectronics
L9779WDAT2 - Multifunction Engine Management PMIC | STMicroelectronics
L9779WDAT2 ✓ ActiveSpecification Comparison
| Parameter | L9779WD-SPI-TR | L9779WDAT2 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Voltage Regulators | Power Management |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $14.50 | $7.95 |
| Product Type | Multifunction Engine Management PMIC | Multifunction Automotive Power Management IC (PMIC) |
| Technology | BCD6S smart power | — |
| Supply Voltage (VBAT) | [DATA_NEEDED: VBAT operating range V] | — |
| Output Channels | Multiple low-side/high-side drivers (injectors, ignition, relays, lamps) | Configurable power stages + OUT21-OUT28 stepper/driver stages |
| Communication Interface | SPI (daisy-chain capable) | SPI (Serial Peripheral Interface) |
| SPI Clock Frequency | Up to 5 MHz | — |
| Operating Temperature Range | -40 C to +125 C | -40 C to +150 C (AEC-Q100 automotive grade-0, typ.) |
| Package | HiQUAD-64 (S-PQFP-G64) | 64-pin HiQUAD (HQFP-64) power package with exposed pad |
| Pin Count | 64 | — |
| Mounting Type | Surface Mount | Surface Mount |
| Key Features | Reverse-battery protection on KEY_ON, MRD output, freewheeling diodes, diagnostic feedback, fail-safe outputs | — |
| Diagnostic Functions | Open-load, short-to-battery, short-to-ground, over-temperature | — |
| Qualification | Automotive grade | — |
| Tape and Reel Packaging | Yes (suffix -TR) | — |
| 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) |
| Process Technology | — | BCD6S (ST proprietary mixed-signal) |
| 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 |
| MSL Level | — | [DATA_NEEDED: MSL rating per JEDEC J-STD-020] |