TPS92550TZ/NOPB

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TPS92550TZ/NOPB is an integrated LED driver from Texas Instruments. It is classified as a PMIC - LED drivers, which are used to control the light intensity and power consumption of high-voltage LED systems. The TPS92550TZ/NOPB LED driver offers a constant-current LED driver that delivers up to 900mA of LED current in either buck or boost mode. It integrates various protection features, including open/short LED protection, open/short LED detect, temperature monitoring and under-voltage lockout. This application field and working principle will be discussed in this article.

Application Field of the TPS92550TZ/NOPB

The application field of the TPS92550TZ/NOPB is vast, ranging from automotive systems to consumer electronics. In the automotive industry, the device is used for controlling high-voltage LEDs in headlights, interior lighting, and rear brake lights. The TPS92550TZ/NOPB is also used in consumer electronics, such as notebook computers and cell phones, for backlighting and display lighting applications.

In addition, the TPS92550TZ/NOPB can be used for general lighting applications, such as spotlights and downlights. The device is suitable for dimming and dc-dc conversion, and it is compatible with a variety of control options. These include pulse-width modulation (PWM), analog voltage, temperature sensor, and current source dimming.

Working Principle of the TPS92550TZ/NOPB

The TPS92550TZ/NOPB is an integrated LED driver that is designed to control the brightness and power consumption of high-voltage LED systems. It uses Buck or Boost mode to deliver up to 900mA of LED current with a maximum output voltage of 18V.The device also has a slew rate that can be adjusted to optimize the turn-on time and, therefore, the LED efficiency.

The device is also equipped with various protection features to ensure proper operation in LED lighting applications. These features include open/short LED protection, open/short LED detect, temperature monitor, and under-voltage lockout. Open/short LED protection prevents overloading, while temperature monitor helps protect the LED from overheating. The under-voltage lockout shuts off the LED driver when the input voltage drops below a certain level.

The TPS92550TZ/NOPB LED driver can be controlled through a variety of external control sources. The device has integrated control sources for PWM, analog voltage, and temperature sensors. The device also has an external current source for dimming. By using these control sources, the driver can be adjusted to meet the specific needs of any LED lighting application.

Conclusion

The TPS92550TZ/NOPB is an integrated LED driver from Texas Instruments. It is classified as a PMIC – LED drivers, which are used to control the light intensity and power consumption of high-voltage LED systems. The application field for the TPS92550TZ/NOPB is vast, and it is suitable for a variety of lighting applications, ranging from automotive to consumer electronics. In addition, the device is equipped with various protection features, such as open/short LED protection, temperature monitor, and under-voltage lockout. The TPS92550TZ/NOPB is also compatible with a range of control sources, including PWM, analog voltage, temperature sensors, and current source dimming, allowing the driver to be adjusted to meet the specific requirements of any LED lighting application.

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