L9779WD-SPI-TR vs L9779WD-TR Comparison
Detailed side-by-side comparison of L9779WD-SPI-TR by STMicroelectronics and L9779WD-TR 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
L9779WD-TR - Multifunction Engine Management PMIC | STMicroelectronics
L9779WD-TR ✓ ActiveSpecification Comparison
| Parameter | L9779WD-SPI-TR | L9779WD-TR |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Voltage Regulators | Power MOSFET Drivers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $14.50 | $9.40 |
| Product Type | Multifunction Engine Management PMIC | — |
| Technology | BCD6S smart power | — |
| Supply Voltage (VBAT) | [DATA_NEEDED: VBAT operating range V] | Up to 18 V typ., load-dump tolerant |
| Output Channels | Multiple low-side/high-side drivers (injectors, ignition, relays, lamps) | — |
| Communication Interface | SPI (daisy-chain capable) | MSC (L9779WD/-TR); SPI (L9779WD-SPI/-SPI-TR) |
| SPI Clock Frequency | Up to 5 MHz | — |
| Operating Temperature Range | -40 C to +125 C | — |
| Package | HiQUAD-64 (S-PQFP-G64) | HiQUAD-64 (power package, 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 | — | Multifunction IC for engine management |
| Topology | — | Engine Management PMIC with MSC interface |
| Process Technology | — | BCD6S |
| Number of 5 V Sensor Supplies | — | 5 (current-limited) |
| Injector Low-Side Drivers | — | 4 x low-side drivers |
| Lamp/Relay Pre-Drivers | — | 4 x low-side pre-drivers |
| Watchdog | — | Yes (integrated) |
| KEY_ON Input | — | Yes (internal pull-down, external reverse-battery diode) |
| Charge Pump | — | Yes (internal, for N-channel FET drive) |
| Thermal Shutdown | — | Yes |
| Operating Temperature | — | -40C to +125C (automotive AEC-Q100 grade) |
| Packaging | — | Tape & Reel (TR suffix) |