L9972-TR vs L9973-TR Comparison
Detailed side-by-side comparison of L9972-TR by STMicroelectronics and L9973-TR by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
L9972-TR - Automotive Dual H-Bridge Driver | STMicroelectronics
L9972-TR ✓ ActiveSTMicroelectronics
L9973-TR - Automotive Quad Half-Bridge Driver | STMicroelectronics
L9973-TR ✓ ActiveSpecification Comparison
| Parameter | L9972-TR | L9973-TR |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Motor Drivers | Motor Drivers |
| Lifecycle Status | Active | Active |
| Supply Voltage Range | 5.5 V to 36 V | 5.5 V to 36 V |
| Output Current per Channel | 1.2 A (continuous) | 1.2 A (continuous) |
| Number of H-Bridges | 2 | — |
| Control Interface | SPI | — |
| Quiescent Current (Standby) | 50 µA | 50 uA |
| Overcurrent Protection | Yes | — |
| Overtemperature Protection | Yes | — |
| Undervoltage Lockout | Yes | — |
| Package | PowerSO-20 | PowerSO-20 |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature Range | -40°C to +150°C | -40C to +125C |
| Thermal Resistance, Junction-to-Ambient | 35 °C/W | 35 C/W |
| SPI Clock Frequency | 5 MHz (max) | — |
| RoHS Status | Compliant | Compliant |
| AEC-Q100 Qualified | Yes | Yes |
| Number of Half-Bridges | — | 4 |
| Interface | — | SPI |
| Protection Features | — | Overcurrent, Overtemperature, Short-Circuit |
| Output On-Resistance (typical) | — | 0.5 ohm |
| Switching Frequency (max) | — | 20 kHz |
| Logic Input Voltage | — | 3.3 V / 5 V compatible |