L9779WDM-TR vs L9779WD-TR Comparison
Detailed side-by-side comparison of L9779WDM-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
L9779WDM-TR - Automotive Quad Low-Side Driver | STMicroelectronics
L9779WDM-TR ✓ ActiveSTMicroelectronics
L9779WD-TR - Multifunction Engine Management PMIC | STMicroelectronics
L9779WD-TR ✓ ActiveSpecification Comparison
| Parameter | L9779WDM-TR | L9779WD-TR |
|---|---|---|
| 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 | $9.40 |
| 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) | HiQUAD-64 (power package, exposed pad) |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 (168 hours) | — |
| RoHS Status | Compliant | Compliant |
| AEC-Q100 | Qualified | — |
| 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 |
| 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) |
| 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) |