L9779WD vs L9779WD-SPI-TR Comparison
Detailed side-by-side comparison of L9779WD 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-SPI-TR - Automotive Engine Mgmt Multifunction PMIC | STMicroelectronics
L9779WD-SPI-TR ✓ ActiveSpecification Comparison
| Parameter | L9779WD | 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) | $5.85 | $14.50 |
| Manufacturer | STMicroelectronics | — |
| Part Number | L9779WD | — |
| Description | Multifunction IC for engine management system | — |
| Technology | BCD6S | BCD6S smart power |
| Package | 64-pin HiQUAD power package | HiQUAD-64 (S-PQFP-G64) |
| Mounting Type | Surface Mount (Power Package) | Surface Mount |
| Supply Voltage (VSUP) | 6 V to 18 V (40 V transient) | — |
| 5V MCU Regulator | 5 V nominal, up to 250 mA | — |
| 5V Sensor Supply | 5 V nominal, up to 150 mA | — |
| Communication Interface | SPI (serial peripheral interface) | SPI (daisy-chain capable) |
| Watchdog | SPI challenge/response with Markov chain | — |
| Injection Predrivers | 4 channels (INJ1-INJ4) | — |
| Ignition Predrivers | Integrated | — |
| Stepper Predriver | 2 channels (idle air control / throttle) | — |
| Relay Drivers | Main relay, oil/oxygen sensor relay | — |
| Tachometer / Hall Input | TACH | — |
| Reverse Battery Protection | External diode on KEY_ON (internal pull-down) | — |
| Operating Temperature | -40 C to +150 C (junction) | — |
| Qualification | AEC-Q100 automotive grade | Automotive grade |
| RoHS Status | Compliant | Compliant |
| Product Type | — | Multifunction Engine Management PMIC |
| Supply Voltage (VBAT) | — | [DATA_NEEDED: VBAT operating range V] |
| 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 |
| Tape and Reel Packaging | — | Yes (suffix -TR) |