TPS92075DDC/NOPB

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TPS92075DDC/NOPB is one of the most popular and versatile Power Management ICs (PMICs). It is particularly designed for LED applications and suitable for a wide range of applications, from driving high-power LEDs to controlling columns and rows of LEDs. This PMIC is a single-phase switching regulator for constant current or voltage output, with built-in current and voltage monitoring, fault protection, and voltage-slew rate control features. In this article, we will discuss the application field and working principle of the TPS92075DDC/NOPB.

Application Field of the TPS92075DDC/NOPB

The TPS92075DDC/NOPB is an ideal solution for powering and controlling high-power LEDs in automotive, industrial, and signage applications. Its wide input voltage range of 8V-27V makes it suitable for a variety of LED lighting applications, including LED strings, LED strips, LED displays and billboards, LED signs, and LED landscape lighting. It is also suitable for powering and controlling LED backlight modules, LED TV backlights, and LED flashes for cameras and mobile phones.

The TPS92075DDC/NOPB has a high switching frequency of 2.5MHz and high power-conversion efficiency of up to 95%, giving it the ability to achieve tight regulation of LED current or voltage. With its built-in over-current, over-voltage, and under-voltage protection, this device provides robust LED protection from high voltages, short circuits, and other fault conditions.

The device also features adjustable frequency and voltage peaks for optimal LED dimming performance and flicker-free operation. By adjusting the frequency, you can control the LED regulation voltage and reduce average LED current, which helps minimize heat and reduce power consumption. With its integrated loop filter, it also improves system stability. This device also features a shutdown pin and anti-reverse switching, as well as optionalLED Open/Short detection, to further enhance system protection.

Working Principle of the TPS92075DDC/NOPB

The TPS92075DDC/NOPB is a DC/DC step-down driver with integrated power MOSFETs, current-sense amplifier, and switching controller. It is designed for driving high-power LEDs and provides a constant current or constant voltage output. It operates as a buck converter, regulating the output by switching the internal power MOSFETs at a fast frequency.

The device uses two MOSFETs to alternately conduct and reduce current flow, while continuously monitoring LED current, LED voltage, and input voltage. It also contains logic circuitry to detect over-current, over-voltage, and under-voltage conditions and activate fault protection. The device also uses its adjustable frequency and voltage peaks for optimal LED dimming performance and flicker-free operation.

The device is designed for high-power LED applications and its features make it ideal for automotive, industrial, and signage applications. It is also highly efficient, with up to 95% power conversion efficiency, and features adjustable frequency and voltage peaks to achieve optimal LED dimming performance. It also provides robust protection from high voltages, short circuits, and other fault conditions.

Conclusion

The TPS92075DDC/NOPB is a single-phase switching regulator for constant current or voltage output, and is specially designed for driving high-power LEDs. Its wide input voltage range, high switching frequency, and high power-conversion efficiency make it the ideal choice for a variety of LED lighting applications. It is also highly efficient and provides robust protection from high voltages and other fault conditions.

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