L9779WDAT2 vs L9779WD-SPI-TR Comparison
Detailed side-by-side comparison of L9779WDAT2 by STMicroelectronics and L9779WD-SPI-TR 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
L9779WD-SPI-TR - Automotive Engine Mgmt Multifunction PMIC | STMicroelectronics
L9779WD-SPI-TR ✓ ActiveSpecification Comparison
| Parameter | L9779WDAT2 | L9779WD-SPI-TR |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Power Management | Voltage Regulators |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $7.95 | $14.50 |
| Product Type | Multifunction Automotive Power Management IC (PMIC) | Multifunction Engine Management PMIC |
| 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) | SPI (daisy-chain capable) |
| Process Technology | BCD6S (ST proprietary mixed-signal) | — |
| Package | 64-pin HiQUAD (HQFP-64) power package with exposed pad | HiQUAD-64 (S-PQFP-G64) |
| Mounting Type | Surface Mount | Surface Mount |
| Output Channels | Configurable power stages + OUT21-OUT28 stepper/driver stages | Multiple low-side/high-side drivers (injectors, ignition, relays, lamps) |
| 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 +125 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] | — |
| Technology | — | BCD6S smart power |
| Supply Voltage (VBAT) | — | [DATA_NEEDED: VBAT operating range V] |
| SPI Clock Frequency | — | Up to 5 MHz |
| Pin Count | — | 64 |
| 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) |