The TPS61185RGER is a high-efficiency, fully integrated, single-channel LED driver from Texas Instruments, designed to cater to a wide array of lighting applications. This robust driver IC is particularly suitable for powering WLED backlights in notebook displays, monitors, and a variety of medium-sized LCD panels.
Key Features
- Wide Input Voltage Range: The TPS61185RGER operates over a broad input voltage range of 4.5V to 18V, making it versatile for various power supply scenarios.
- Adjustable Switching Frequency: Users can set the switching frequency from 600kHz to 1.2MHz, providing flexibility in balancing efficiency and external component size.
- Integrated Power MOSFET: The inclusion of a high-side power MOSFET simplifies the circuit design and reduces external component count.
- Programmable Soft-Start: This feature limits inrush current during startup, enhancing system reliability.
- True Color PWM™ Dimming: The TPS61185RGER offers high-resolution PWM dimming, which allows for accurate control of LED brightness and helps maintain color fidelity across dimming levels.
- Built-in Over-Voltage Protection: The device is equipped with protection features to safeguard against conditions that may cause damage, such as over-voltage events.
- Thermal Shutdown: An integrated thermal shutdown function helps prevent the IC from overheating, thereby ensuring the safety and longevity of the application.
Applications
This LED driver is ideal for a variety of applications that require efficient, controlled lighting. Its main uses include:
- Notebook and computer monitors
- Medium-sized LCD panel backlighting
- General-purpose LED lighting
Package and Quality
The TPS61185RGER comes in a compact 24-pin VQFN (RGE) package, which is designed to occupy minimal space on a printed circuit board. Texas Instruments' commitment to quality ensures that this LED driver meets rigorous industry standards for performance and reliability.
With its comprehensive feature set and reliable performance, the TPS61185RGER from Texas Instruments stands out as a top choice for designers looking to create efficient and long-lasting LED lighting solutions.