L9980-TR - Automotive Quad Low-Side Driver | STMicroelectronics
MPN: L9980-TR β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.45 | $2.45 |
| 10 | $2.2 | $22.00 |
| 100 | $1.95 | $195.00 |
| 500 | $1.75 | $875.00 |
| 1,000 | $1.55 | $1,550.00 |
Drop-in alternatives for L9980-TR β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
L9980
β Drop-Inβ 99,999 In Stock
$2.1 / Unit
View Datasheet βVNQ7004AJTR
β‘ Same Packageπ Reference alternative (not in catalog)
BTS7002-1EPA
β‘ Same Packageπ Reference alternative (not in catalog)
L9980-TR Maximum Ratings & Electrical Characteristics
| Number of Outputs | 4 |
| Output Type | Low-Side |
| Continuous Output Current per Channel | 1.5 A |
| Supply Voltage Range | 4.5 V to 40 V |
| Logic Input Voltage | 3.3 V / 5 V compatible |
| Output Saturation Voltage | 0.5 V at 1 A |
| Overcurrent Protection | Yes |
| Thermal Shutdown | Yes |
| Output Clamping for Inductive Loads | Yes |
| Diagnostic Output | Yes |
| Operating Temperature Range | -40Β°C to +150Β°C |
| Package | SOIC-16 |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| AEC-Q100 Qualified | Yes |
L9980-TR Pin Configuration
| Pin 1 | IN1 β Logic input for channel 1 |
| Pin 2 | IN2 β Logic input for channel 2 |
| Pin 3 | IN3 β Logic input for channel 3 |
| Pin 4 | IN4 β Logic input for channel 4 |
| Pin 5 | GND β Ground |
| Pin 6 | OUT1 β Low-side output for channel 1 |
| Pin 7 | OUT2 β Low-side output for channel 2 |
| Pin 8 | OUT3 β Low-side output for channel 3 |
| Pin 9 | OUT4 β Low-side output for channel 4 |
| Pin 10 | DIAG β Diagnostic output |
| Pin 11 | VCC β Supply voltage |
| Pin 12 | NC β Not connected |
| Pin 13 | NC β Not connected |
| Pin 14 | NC β Not connected |
| Pin 15 | NC β Not connected |
| Pin 16 | NC β Not connected |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
L9980-TR is suitable for 6 applications: Automotive Body Control Module, Industrial PLC Output Module, Automotive Lighting Control, Relay and Solenoid Driver, General Purpose Switching, Test and Measurement Equipment.
Automotive Body Control Module
The L9980-TR is used in automotive body control modules to drive exterior lighting, wiper motors, and door lock actuators. Its four low-side outputs can independently control multiple loads, while the integrated protection features ensure reliable operation in harsh automotive environments. The device's AEC-Q100 qualification and wide temperature range make it ideal for under-hood and interior applications. In a typical BCM, the L9980-TR interfaces directly with a microcontroller, receiving logic-level commands to switch loads. The diagnostic output provides real-time status feedback, enabling fault detection and system monitoring. The low saturation voltage minimizes power dissipation, improving overall system efficiency. When driving inductive loads like relays, the built-in output clamping protects the device from voltage spikes, ensuring long-term reliability.
Recommended
Industrial PLC Output Module
In industrial PLCs, the L9980-TR is used to drive solenoids, relays, and indicator lamps. Its 1.5 A per channel output current is sufficient for most industrial loads, and the wide supply voltage range (4.5 V to 40 V) accommodates various system voltages. The device's overcurrent and thermal protection prevent damage in fault conditions, which is critical in industrial environments. The logic-level inputs are compatible with 3.3 V and 5 V microcontrollers, simplifying integration with PLC processors. The diagnostic output allows for remote monitoring of load status, enabling predictive maintenance. The SOIC-16 package is easy to assemble on standard PCBs, and the device's robust design ensures long service life in demanding industrial settings.
Recommended
Automotive Lighting Control
The L9980-TR is well-suited for automotive lighting control, including exterior lamps, daytime running lights, and interior lighting. Each channel can drive up to 1.5 A, which is adequate for most incandescent and LED lamps. The device's AEC-Q100 qualification ensures reliability in automotive temperature extremes. The built-in overcurrent protection prevents damage from short circuits, and the thermal shutdown protects the device from overheating. The diagnostic output can be used to detect lamp failures, enabling warning indicators for the driver. The low saturation voltage reduces power loss, improving energy efficiency. The SOIC-16 package allows for compact PCB designs, which is important in space-constrained automotive modules.
Recommended
Relay and Solenoid Driver
The L9980-TR is ideal for driving relays and solenoids in various applications, from automotive to industrial. Its four outputs can control multiple relays or solenoids independently, and the built-in output clamping handles inductive kickback, eliminating the need for external freewheeling diodes. This simplifies the design and reduces component count. The device's overcurrent protection ensures safe operation even if a load becomes short-circuited. The wide supply voltage range allows use in 12 V and 24 V systems. The logic-level inputs are compatible with standard microcontrollers, making integration straightforward. The diagnostic output provides status feedback, enabling fault detection and system monitoring. The SOIC-16 package is suitable for automated assembly, reducing manufacturing costs.
Recommended
General Purpose Switching
The L9980-TR can be used as a general-purpose low-side switch in various electronic systems. Its four channels provide flexibility for switching multiple loads, and the protection features ensure reliable operation. The device's wide supply voltage range and logic-level inputs make it easy to integrate into existing designs. The low saturation voltage minimizes power loss, improving efficiency. The diagnostic output allows for load monitoring, which is useful in applications where load status is important. The SOIC-16 package is widely available and easy to work with. Whether used in consumer electronics, industrial equipment, or automotive systems, the L9980-TR offers a robust and cost-effective solution for low-side switching.
Recommended
Test and Measurement Equipment
In test and measurement equipment, the L9980-TR can be used to switch loads in automated test setups. Its four independent channels allow for controlling multiple test points, and the diagnostic output provides status feedback for automated verification. The device's overcurrent and thermal protection ensure safe operation during testing. The wide supply voltage range accommodates various test voltages. The logic-level inputs are compatible with common test controllers. The SOIC-16 package is easy to integrate into test fixtures. The low saturation voltage ensures accurate voltage measurements at the load. The device's reliability and robustness make it suitable for continuous operation in test environments.
Recommended
Recommended Products Summary
Engineering reference data for L9980-TR β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | L9980 | VNQ7004AJTR | BTS7002-1EPA |
|---|---|---|---|---|
| Package | SOIC-16 | SOIC-16 | SOIC-16 | SOIC-16 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | Infineon |
| Number of Outputs | 4 | 4 | 4 | 1 |
| Output Type | Low-Side | Low-Side | High-Side | High-Side |
| Output Current per Channel | 1.5 A | 1.5 A | 1.5 A | 1 A |
| Supply Voltage Range | 4.5 V to 40 V | 4.5 V to 40 V | 4.5 V to 40 V | 4.5 V to 40 V |
| AEC-Q100 Qualified | Yes | Yes | Yes | Yes |
| Diagnostic Output | Yes | Yes | Yes | Yes |
Key Differentiators
- Quad low-side driver in a single SOIC-16 package (vs BTS7002-1EPA)
- AEC-Q100 qualified for automotive use (vs VNQ7004AJTR)
- Built-in output clamping for inductive loads (vs BTS7002-1EPA)
Design Notes
When driving all four channels at maximum current (1.5 A each), the total power dissipation can be significant. For example, at 1 A per channel with a saturation voltage of 0.5 V, each channel dissipates 0.5 W, totaling 2 W. The SOIC-16 package has a thermal resistance of approximately 80Β°C/W, resulting in a temperature rise of 160Β°C above ambient. Ensure adequate PCB copper area and consider using a heatsink or forced airflow for high-current applications.
Place the L9980-TR close to the loads it drives to minimize trace resistance and inductance. Use wide traces for the output and supply connections to handle the current and reduce voltage drops. Decouple the VCC pin with a 100 nF ceramic capacitor placed as close as possible to the pin, and a 10 Β΅F electrolytic capacitor for bulk decoupling. Ensure a solid ground plane to minimize noise and improve thermal performance.
When driving inductive loads, always ensure the output clamping is properly utilized. The built-in clamping handles the inductive kickback, but if the load is highly inductive, consider adding external freewheeling diodes for additional protection. Also, avoid exceeding the absolute maximum supply voltage of 40 V, as this can damage the device. Ensure the logic inputs are not left floating; use pull-down resistors to define a known state.
Compliance Information
RoHS compliant and AEC-Q100 qualified per STMicroelectronics product page. Halogen-free status not explicitly stated.
