L9779WDM-TR vs L9779WD Comparison
Detailed side-by-side comparison of L9779WDM-TR by STMicroelectronics and L9779WD by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
L9779WDM-TR - Automotive Quad Low-Side Driver | STMicroelectronics
L9779WDM-TR ✓ Active
Specification Comparison
| Parameter | L9779WDM-TR | L9779WD |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Power MOSFET Drivers | Power MOSFET Drivers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.85 | $5.85 |
| 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 | — |
| Operating Temperature Range | -40C to +150C | — |
| Package | SOIC-20 (SO-20) | 64-pin HiQUAD power package |
| Mounting Type | Surface Mount | Surface Mount (Power Package) |
| MSL Level | 3 (168 hours) | — |
| RoHS Status | Compliant | Compliant |
| AEC-Q100 | Qualified | — |
| Manufacturer | — | STMicroelectronics |
| Part Number | — | L9779WD |
| Description | — | Multifunction IC for engine management system |
| Technology | — | BCD6S |
| 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) |
| 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 |