L9779WD-SPI-TR vs L9779WDM-TR Comparison
Detailed side-by-side comparison of L9779WD-SPI-TR by STMicroelectronics and L9779WDM-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
L9779WDM-TR - Automotive Quad Low-Side Driver | STMicroelectronics
L9779WDM-TR ✓ ActiveSpecification Comparison
| Parameter | L9779WD-SPI-TR | L9779WDM-TR |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Voltage Regulators | Power MOSFET Drivers |
| Lifecycle Status | Active | Active |
| Product Type | Multifunction Engine Management 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) | — |
| Communication Interface | SPI (daisy-chain capable) | — |
| SPI Clock Frequency | Up to 5 MHz | — |
| Operating Temperature Range | -40 C to +125 C | -40C to +150C |
| Package | HiQUAD-64 (S-PQFP-G64) | SOIC-20 (SO-20) |
| 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 |
| Number of Channels | — | 4 |
| Output Type | — | Low-Side Open-Drain |
| Supply Voltage Range | — | 4.5 V to 40 V |
| Maximum Output Current per Channel | — | 1 A |
| On-Resistance (Typical) | — | 0.5 ohm |
| Quiescent Current | — | 10 uA (standby) |
| PWM Frequency | — | Up to 20 kHz |
| Interface | — | SPI |
| Protection Features | — | Overcurrent, Overtemperature, Short-Circuit |
| MSL Level | — | 3 (168 hours) |
| AEC-Q100 | — | Qualified |