L9973-TR vs L9972-TR Comparison
Detailed side-by-side comparison of L9973-TR by STMicroelectronics and L9972-TR by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
L9973-TR - Automotive Quad Half-Bridge Driver | STMicroelectronics
L9973-TR ✓ ActiveSTMicroelectronics
L9972-TR - Automotive Dual H-Bridge Driver | STMicroelectronics
L9972-TR ✓ ActiveSpecification Comparison
| Parameter | L9973-TR | L9972-TR |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Motor Drivers | Motor Drivers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.08 | $2.08 |
| 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 Half-Bridges | 4 | — |
| Quiescent Current (Standby) | 50 uA | 50 µA |
| Operating Temperature Range | -40C to +125C | -40°C to +150°C |
| Package | PowerSO-20 | PowerSO-20 |
| Mounting Type | Surface Mount | Surface Mount |
| Interface | SPI | — |
| Protection Features | Overcurrent, Overtemperature, Short-Circuit | — |
| Thermal Resistance, Junction-to-Ambient | 35 C/W | 35 °C/W |
| Output On-Resistance (typical) | 0.5 ohm | — |
| Switching Frequency (max) | 20 kHz | — |
| Logic Input Voltage | 3.3 V / 5 V compatible | — |
| RoHS Status | Compliant | Compliant |
| AEC-Q100 Qualified | Yes | Yes |
| Number of H-Bridges | — | 2 |
| Control Interface | — | SPI |
| Overcurrent Protection | — | Yes |
| Overtemperature Protection | — | Yes |
| Undervoltage Lockout | — | Yes |
| SPI Clock Frequency | — | 5 MHz (max) |