L9942-TR vs L9942 Comparison
Detailed side-by-side comparison of L9942-TR by STMicroelectronics and L9942 by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
L9942-TR - Automotive Dual-Channel Low-Side Driver | STMicroelectronics
L9942-TR ✓ ActiveSTMicroelectronics
L9942 - Integrated Stepper Motor Driver with Microstepping | STMicroelectronics
L9942 ✓ ActiveSpecification Comparison
| Parameter | L9942-TR | L9942 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Power MOSFET Drivers | Motor Drivers |
| Lifecycle Status | Active | Active |
| Number of Channels | 2 | — |
| Output Type | Low-Side | — |
| Supply Voltage Range | 4.5 V to 40 V | — |
| Output Current per Channel | 1.5 A | — |
| Control Interface | SPI (16-bit) | — |
| SPI Clock Frequency | 5 MHz | — |
| Quiescent Current | 50 uA (standby) | — |
| Operating Temperature Range | -40C to +150C | — |
| Package | PowerSO-20 | PowerSSO-24 |
| Mounting Type | Surface Mount | Surface Mount |
| Protection Features | Overcurrent, Overtemperature, Short-Circuit | Overcurrent, Thermal Shutdown, Diagnostic Output |
| Diagnostics | SPI fault reporting | — |
| RoHS Status | Compliant | Compliant |
| AEC-Q100 | Qualified | — |
| Technology | BCD (Bipolar-CMOS-DMOS) | — |
| Motor Type | — | Bipolar Stepper |
| Output Current | — | 1.3 A (max) |
| RDSON | — | 500 mΩ |
| Supply Voltage | — | 4.5 V to 40 V |
| Stepping Modes | — | Full, Half, Mini |
| Current Profile Look-up Table | — | 9 entries, 5-bit resolution |
| Current Regulation | — | Integrated PWM controller with internal current sensing |
| Interface | — | SPI (up to 5 MHz) |
| Operating Temperature | — | -40°C to +150°C |
| Thermal Resistance | — | 35°C/W |
| Process Technology | — | BCD (Bipolar-CMOS-DMOS) |