TPS22929DEVM-661

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Evaluation and Demonstration Boards and Kits are a general topic applied to a wide range of areas.

The TPS22929DEVM-661 is one such product. This evaluation module supports the TPS22929 series of low RDS on synchronous Buck converters. The module has an adjustable input voltage range of 3.3V to 28V and can provide an output voltage of 0.6V to 85% of the nominal input voltage.

The TPS22929DEVM-661 is able to provide an adjustable output current of up to 5A for voltage regulation settings up to 20V, and up to 3A for voltages up to 28V. A continuous output current will be provided in all of the regulated voltages with improved stability and decreased energy loss. It also provides a remote enable signal for power-up/power-down, power-good timing, protection from in-rush current, and temperature sensing to protect the device under high ambient temperatures.

The main application fields for the TPS22929DEVM-661 are often found in consumer and industrial products, such as laptop power supplies, computing power supplies, and motor or actuator control. Low RDS on synchronous Buck converters are used for these applications because of their higher efficiency in power transfer and smaller size, which helps reduce development costs.

The working principle of the TPS22929DEVM-661 is fairly straightforward. It operates on the same basic voltage loop control principle as other Buck converters, but with a few modifications for improved energy transfer. The basic circuitry includes a voltage loop controller, a current loop controller, an RDS on synchronous Buck controller, and an RDS on high-side switch.

The voltage loop controller is responsible for regulating the output voltage, while the current loop controller maintains the load current at a set value. The RDS on synchronous Buck controller is the main control element in the device, and it switches power between two terminals, one at the input side and one at the output side. This power is then distributed to the output through a high-side switch that senses the load current.

The main benefit of the low RDS on synchronous Buck regulator employed by the TPS22929DEVM-661 is its efficiency. It offers improved power transfer compared to traditional solutions and has a lower Thermal Design Power (TDP). Additionally, this controller allows for more design flexibility thanks to its adjustable component values and improved stability.

The TPS22929DEVM-661 is a versatile evaluation and demonstration system that has a wide range of applications in consumer and industrial products. Its low RDS on synchronous Buck converter enables high efficiency power transfer and reduced development costs, while its adjustable voltage and current settings enable more design flexibility. The working principle of the device is based on a basic voltage loop and current loop control with an RDS on synchronous Buck controller for improved energy transfer.

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