TPS60251RTWR

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The TPS60251RTWR belongs to the class of PMIC - LED Drivers. It is a highly configurable, 3-channel constant current LED driver that is well-suited for Display and Camera Flash applications. The TPS60251RTWR is based on Texas Instruments\' proprietary Digital Power Solution architecture which provides the flexibility and accuracy required for these types of applications.

Application Field

The TPS60251RTWR LED driver is primarily designed for display and camera flash applications. It provides high flexibility as well as excellent accuracy for driving LEDs. The device has three output channels that can be independently configured for different LED types and brightness. It also has a dedicated input for setting the output voltage of each channel. These features make the device ideal for high-end display and camera flash applications.

In addition, the TPS60251RTWR includes a number of features that make it well-suited for other applications such as automotive, medical, gaming, and consumer electronics. The device features several protection features such as over-temperature protection, low shutdown voltage, and over-current protection. These features help protect the system from excessive current or thermal damage. Furthermore, the device is designed to operate over extended temperature ranges of -40°C to +125°C, making it well-suited for a variety of environments.

Working Principle

The TPS60251RTWR utilizes a digital power solution architecture which enables it to accurately control the output voltage and current of each LED channel. This architecture uses pulse width modulation (PWM) to regulate the output of each LED channel. The adjustable PWM control allows the user to configure the driver for a specific set of LEDs and brightness levels.

The constant current design of the TPS60251RTWR ensures that each LED channel is able to accurately produce a constant output current even when the input voltage varies. This eliminates the need for external resistors to maintain a constant current across the LED load.

The device also has a wide operating voltage range of 4.5V to 24V, allowing for a single device to be used for applications with different voltage requirements. In addition, the device has an integrated power switch that can be used to reduce the power consumption when the device is not in use.

Finally, the TPS60251RTWR also has an internal clock oscillator. This allows for the device to be operated out of a single clock source, reducing the need for external components and simplifying board design.

Conclusion

The TPS60251RTWR is a highly configurable, 3-channel constant current LED driver that is well-suited for Display and Camera Flash applications. The device utilizes a digital power solution architecture which enables it to accurately control the output voltage and current of each LED channel. Additionally, it includes a number of features such as over-temperature protection, low shutdown voltage, and over-current protection that make it ideal for a variety of applications. Finally, the device has a wide operating voltage range and an integrated power switch for reduced power consumption, making it an ideal driver for LED applications.

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