L9942 vs L9942-TR Comparison
Detailed side-by-side comparison of L9942 by STMicroelectronics and L9942-TR by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
L9942 - Integrated Stepper Motor Driver with Microstepping | STMicroelectronics
L9942 ✓ ActiveSTMicroelectronics
L9942-TR - Automotive Dual-Channel Low-Side Driver | STMicroelectronics
L9942-TR ✓ ActiveSpecification Comparison
| Parameter | L9942 | L9942-TR |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Motor Drivers | Power MOSFET Drivers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.10 | $1.82 |
| 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) | — |
| Package | PowerSSO-24 | PowerSO-20 |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40°C to +150°C | — |
| Thermal Resistance | 35°C/W | — |
| Protection Features | Overcurrent, Thermal Shutdown, Diagnostic Output | Overcurrent, Overtemperature, Short-Circuit |
| Process Technology | BCD (Bipolar-CMOS-DMOS) | — |
| RoHS Status | Compliant | Compliant |
| 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 |
| Diagnostics | — | SPI fault reporting |
| AEC-Q100 | — | Qualified |
| Technology | — | BCD (Bipolar-CMOS-DMOS) |