L9779WDM-TR vs L9779WD-SPI-TR Comparison
Detailed side-by-side comparison of L9779WDM-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
L9779WDM-TR - Automotive Quad Low-Side Driver | STMicroelectronics
L9779WDM-TR ✓ ActiveSTMicroelectronics
L9779WD-SPI-TR - Automotive Engine Mgmt Multifunction PMIC | STMicroelectronics
L9779WD-SPI-TR ✓ ActiveSpecification Comparison
| Parameter | L9779WDM-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) | $1.85 | $14.50 |
| 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 | -40 C to +125 C |
| Package | SOIC-20 (SO-20) | HiQUAD-64 (S-PQFP-G64) |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 (168 hours) | — |
| RoHS Status | Compliant | Compliant |
| AEC-Q100 | Qualified | — |
| 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 |
| 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) |