TPS62097RWKT

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The TPS62097RWKT is an advanced DC-DC buck converter from Texas Instruments, specifically designed to provide power solutions in a variety of applications. It is part of TI\'s PMIC (Power Management IC) family, within the Voltage Regulators, DC DC Switching Regulators category.

This device combines low noise, high current and high voltage ratings with low standby current consumption, making it an ideal solution for medium to high power applications such as CPUs/GPUs, drones, handheld/wearable products, gaming devices and more.

The TPS62097RWKT DC-DC buck converter includes a high-frequency switching regulator with integrated high- and low-side MOSFETs and a peak current mode control loop. Other features include an adjustable output voltage, soft start, cycle-by-cycle current limit, overvoltage protection and over-temperature protection. The device is capable of supplying up to 8A at a peak output of 10V, with a switching frequency of up to 2MHz.

The TPS62097RWKT offers several advantages, such as low output voltage ripple and high system efficiency, due to its peak current mode control architecture. It also features a low standby current consumption of only 6.4 uA, which allows for low system power dissipation. In addition, the low PCB area of 3mm2 offers further space savings.

The working principle of the TPS62097RWKT is based on a peak current mode control loop. This includes a high side MOSFET that periodically switches at the predetermined switching frequency and an inductor that stores the energy during the switch on-time period. The switch off-time period determines the output voltage. During this period, the inductor current flows to the output through the low side MOSFET and an adjustable resistor, and the output voltage can be adjusted by adjusting the resistor. Additionally, the peak current mode control loop regulates the output voltage by sensing the peak current. This peak current mode control loop is designed to avoid large output voltage fluctuations during line transient conditions.

The TPS62097RWKT offers several features that provide high performance, low noise and high efficiency. For example, the device includes a soft start feature which gradually increases the output voltage over time, avoiding large inrush currents. The over-voltage protection feature provides additional protection against invalid output voltages, while the over-temperature protection feature prevents the device from operating at temperatures higher than its operating range.

In addition, the TPS62097RWKT also features a cycle-by-cycle current limit which limits the peak current flowing through the high side MOSFET. This ensures a safe operating condition and prevents overloading under high load conditions. Furthermore, the device also includes an integrated PWM comparator that allows for precise frequency adjustment, allowing for further fine tuning of the switching frequency.

The TPS62097RWKT is a high-performance DC-DC buck converter that provides high efficiency, low noise and optimal output stability for many medium to high power applications. Its low quiescent current and adaptive low noise control loop makes it an ideal solution for battery powered applications, while its high peak current mode control loop allows for high efficiency and precise output regulation in more demanding applications.

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