L9779WD-TR vs L9779WD-SPI-TR Comparison
Detailed side-by-side comparison of L9779WD-TR 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
L9779WD-TR - Multifunction Engine Management PMIC | STMicroelectronics
L9779WD-TR ✓ ActiveSTMicroelectronics
L9779WD-SPI-TR - Automotive Engine Mgmt Multifunction PMIC | STMicroelectronics
L9779WD-SPI-TR ✓ ActiveSpecification Comparison
| Parameter | L9779WD-TR | L9779WD-SPI-TR |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Power MOSFET Drivers | Voltage Regulators |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $9.40 | $14.50 |
| Function | Multifunction IC for engine management | — |
| Topology | Engine Management PMIC with MSC interface | — |
| Process Technology | BCD6S | — |
| Supply Voltage (VBAT) | Up to 18 V typ., load-dump tolerant | [DATA_NEEDED: VBAT operating range V] |
| 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 | — |
| Communication Interface | MSC (L9779WD/-TR); SPI (L9779WD-SPI/-SPI-TR) | SPI (daisy-chain capable) |
| 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 | — |
| Package | HiQUAD-64 (power package, exposed pad) | HiQUAD-64 (S-PQFP-G64) |
| Operating Temperature | -40C to +125C (automotive AEC-Q100 grade) | — |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant |
| Packaging | Tape & Reel (TR suffix) | — |
| Product Type | — | Multifunction Engine Management PMIC |
| Technology | — | BCD6S smart power |
| Output Channels | — | Multiple low-side/high-side drivers (injectors, ignition, relays, lamps) |
| SPI Clock Frequency | — | Up to 5 MHz |
| Operating Temperature Range | — | -40 C to +125 C |
| 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) |