TPS2066DGN-1

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The TPS2066DGN-1 is a PMIC – Power Distribution Switch and Load Driver integrated circuit (IC), manufactured by TI. The device is designed to facilitate flexible control of multiple loads, such as DC/DC converters and LEDs, while also providing over temperature protection and short-circuit protection in demanding industrial and consumer applications.

The TPS2066DGN-1 is a fully integrated device, with two power switches for distributing power among multiple loads, and one dedicated load driver for controlling LEDs. The device provides intelligent load-sharing between multiple-parallel outputs, allowing for efficient and reliable power distribution. The TPS2066DGN-1 can be configured in a number of ways to accommodate a variety of complex power distributions.

The device works by allowing the user to input a voltage and current control signal that is used to control the output current of the power switch. The device then uses a combination of linear voltage regulators, current-sense resistors, power switches, and transistors to regulate the output voltage and current. The current is regulated through the use of an adjustable current limit circuit that is set by the user, and monitored using an internal current sense amplifier and a feedback loop.

The device also provides over temperature protection and short-circuit protection, making it a safe and reliable solution for multiple power distribution applications. The over temperature protection is enabled through the internal Temperature Sense Amplifier (TSA), an internal temperature sensor that monitors the device’s temperature. If the device temperature exceeds a set threshold, the TSA signals the current-limiting circuit to reduce the output current until the temperature is within an acceptable range.

The short-circuit protection is enabled through a circuitry that monitors the current flowing through the drain-source of the power switches. If an over temperature or short-circuit event occurs, the device will detect it, and reduce output current until it is within an acceptable range.

The TPS2066DGN-1 features an internal oscillator, which generates the count-up pulse that is used to sequence the output current. The device is compatible with a wide range of external control signals and can be programmed using serial into and output commands. The device also provides diagnostic information, such as current-limit voltage, temperature, and other parameter data.

The TPS2066DGN-1 is a versatile PMIC – Power Distribution Switcher and Load Driver, offering a flexible control solution for multiple loads, while providing protection against over temperature and short-circuit events. The device is an ideal solution for a variety of hardcore applications and is a great addition to the modern power distribution arsenal.

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