The TPS61175PWP is an IC (integrated circuit) component manufactured by Texas Instruments. It is a high-efficiency white LED driver that provides a constant current output for driving one or more LED strings. This component is specifically designed for backlight applications in LCD displays.
Some key features of the TPS61175PWP are as follows:
1. High Efficiency: The IC utilizes a high-frequency boost converter architecture to achieve high efficiency. It can deliver up to 93% efficiency with minimal power loss.
2. Wide Input Voltage Range: The TPS61175PWP can operate within a wide input voltage range of 2.7V to 18V, making it suitable for a variety of applications and power sources.
3. Adjustable LED Current: The LED current can be adjusted externally using a resistor connected to the feedback pin. This allows for precise control over the brightness of the LED strings.
4. Multiple LED String Support: The IC is capable of driving one or more LED strings, making it versatile for applications requiring multiple LEDs.
5. PWM Dimming Control: The TPS61175PWP supports Pulse Width Modulation (PWM) dimming control, allowing for flexible brightness adjustment.
6. Overvoltage Protection: The IC integrates overvoltage protection to safeguard the LEDs and the TPS61175PWP itself from any potential voltage surges or transients.
7. Thermal Protection: The component features built-in thermal protection to prevent excessive heat generation
