TPS610993YFFT

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The TPS610993YFFT is a flexible, optimized, low quiescent current DC-DC converter that has been specifically designed for battery-powered systems. It integrates a high-efficiency synchronous boost converter, 1A power switches, voltage and current regulation loops, high-side and low-side current limit circuits and low-side driver. It combines a high power efficiency, high power density and a wide input voltage range to meet the requirements of high performance, energy-saving and shorter end product design.

This device integrates high-side and low-side power switches, providing good current flow performance, while consuming very low quiescent power. It offers wide input voltage range from 1.2V to 5.5V, which supports single Li-ion battery and dual Li-ion battery stacks. It also provides an adjustable output voltage from 1.0V to 6V, with adjustable output current up to 1A. It\'s also capable of a high power efficiency up to 95%, as well as fast transient response, short circuit protection and thermal overload protection.

The application field of the TPS610993YFFT is mainly found in battery-powered systems, such as portable electronics and wearable equipment. The device is also suitable for low-power low-amperage circuits. Potential applications may include portable media players, smart phones, tablets, mobile handsets, digital cameras, gaming devices, blue-tooth and WiFi devices, medical devices, health and fitness products and others.

The working principle of the TPS610993YFFT is relatively straightforward. The device integrates both an induction element,such as a transformer, and a series of power switches. In the basic configuration, a single cycle of the boost converter comprises two independent switching events. This is accomplished by connecting the relay to the gate of the high-side power switches and the low-side switch. The high-side switch is first used to connect the required DC input voltage to the inductor, which stores energy at the beginning of the cycle. This is then followed by the low-side switch closing the path between inductor and the output capacitor, thus storing the energy. After completion of the cycle, the high-side switch opens and the low-side switch closes, thereby delivering the stored energy to the output.

In conclusion, the TPS610993YFFT is a highly efficient, low quiescent current DC-DC converter that is specifically designed for use in battery-powered systems. The device is capable of a wide input voltage range, adjustable output voltage, adjustable current and high power efficiency, making it an ideal choice for applications such as portable electronics, wearable equipment and low-power low-amperage circuits. The working principle of the device is based on the two independent switch pulse width modulation technique.

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