L9974 vs L9942 Comparison
Detailed side-by-side comparison of L9974 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
L9974
L9974 - Automotive Dual H-Bridge Driver | STMicroelectronics
L9974 β ActiveSTMicroelectronics
L9942
L9942 - Integrated Stepper Motor Driver with Microstepping | STMicroelectronics
L9942 β ActiveSpecification Comparison
| Parameter | L9974 | L9942 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Motor Drivers | Motor Drivers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.88 | $3.10 |
| Supply Voltage Range | 5.5 V to 36 V | β |
| Output Current (Continuous) | 1.2 A per channel | β |
| Output Current (Peak) | 2 A per channel | β |
| Number of H-Bridges | 2 | β |
| Control Interface | SPI | β |
| Quiescent Current (Standby) | 50 Β΅A | β |
| Operating Temperature Range | -40Β°C to +150Β°C | β |
| Package | PowerSO-20 | PowerSSO-24 |
| Mounting Type | Surface Mount | Surface Mount |
| Thermal Resistance (junction-to-ambient) | 35 Β°C/W | β |
| Overcurrent Protection | Yes | β |
| Overtemperature Protection | Yes | β |
| Undervoltage Lockout | Yes | β |
| Current Sense Output | Yes | β |
| AEC-Q100 Grade | Grade 1 | β |
| RoHS Status | Compliant | Compliant |
| Motor Type | β | Bipolar Stepper |
| Output Current | β | 1.3 A (max) |
| RDSON | β | 500 mΞ© |
| Supply Voltage | β | 4.5 V to 40 V |
| Stepping Modes | β | Full, Half, Mini |
| Current Profile Look-up Table | β | 9 entries, 5-bit resolution |
| Current Regulation | β | Integrated PWM controller with internal current sensing |
| Interface | β | SPI (up to 5 MHz) |
| Operating Temperature | β | -40Β°C to +150Β°C |
| Thermal Resistance | β | 35Β°C/W |
| Protection Features | β | Overcurrent, Thermal Shutdown, Diagnostic Output |
| Process Technology | β | BCD (Bipolar-CMOS-DMOS) |