Description
TPS92381PWR
Low Power, High Accuracy, Linear LED Driver with PWM Dimming
The TPS92381PWR is a highly integrated, low power linear LED driver that incorporates a high accuracy current regulator and a PWM (Pulse Width Modulation) dimming controller. This device is designed to drive LEDs in a variety of applications, including automotive, industrial, and consumer electronics.
Key Features
- High Accuracy Current Regulation: The TPS92381PWR provides a high degree of accuracy in regulating the current through the LEDs, ensuring uniform brightness and color consistency across all LEDs in the application.
- PWM Dimming Capability: This feature allows for precise control over the LED brightness by adjusting the duty cycle of the PWM signal, enabling smooth dimming from 0% to 100% of the maximum brightness.
- Low Dropout Voltage: The device operates with a low dropout voltage, which means it can maintain regulation even when the input voltage is close to the output voltage, minimizing power loss and maximizing efficiency.
- High Efficiency: Despite its low power consumption, the TPS92381PWR achieves high efficiency in converting the input power to LED current, reducing the heat generated and the overall thermal management requirements of the application.
- Overtemperature Protection: The device includes a thermal protection mechanism that shuts down the device if it exceeds a certain temperature threshold, preventing damage from overheating.
- Short-Circuit Protection: This feature protects the device and the LEDs from damage caused by short circuits, ensuring the reliability and longevity of the system.
Applications
- Automotive Interior and Exterior Lighting: The TPS92381PWR is suitable for a range of automotive lighting applications, including dashboard lights, ambient lighting, and exterior lights, due to its high reliability and ability to operate over a wide temperature range.
- Industrial Lighting: It can be used in industrial settings for tasks such as signaling, indication, and general illumination, offering the advantage of precise dimming and high efficiency.
- Consumer Electronics: The device is applicable in consumer electronics for backlighting displays, decorative lighting, and any application requiring high quality, accurate LED lighting control.
Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 4.5 to 40 | V |
| Output Current Range | 0 to 200 | mA |
| Dimming Ratio | 0 to 100 | % |
| Accuracy of Current Regulation | ±5 | % |
| Dropout Voltage | 0.5 | V |
| Efficiency | Up to 95 | % |
| Operating Temperature Range | -40 to 125 | °C |
| Package Type | WPR | – |
Ordering Information
To order the TPS92381PWR, please visit our website or contact our sales team for more information. Ensure to specify the correct package type and any special requirements you may have.
Documentation
For detailed information, please refer to the datasheet and application notes available on our website. These documents provide comprehensive technical details, including application circuits, PCB layout guidelines, and thermal management recommendations.