TEQ 40-4811WIR

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DC-DC elevators are one of the most common forms of direct current (DC) conversion, and they allow for the conversion of one voltage source to another voltage source. The TEQ 40-4811WIR DC-DC converter is a wide input range high efficiency converter designed for longer battery life, greater reliability, and superior system efficiency. It can deliver up to 10A of current and can be used in a wide range of applications. This article will discuss the application field and working principle of the TEQ 40-4811WIR.

The TEQ 40-4811WIR converter is designed to convert a wide input range of voltages, from 4V to 11V, to a regulated output voltage of up to 48V. It has a power factor correction of up to 0.98, and a peak efficiency of up to 96.5%. Due to its wide range of input voltages, it can be used in applications such as power over Ethernet (PoE), automotive, battery charging, telecom, and data processing. The TEQ 40-4811WIR converter also features an integrated OR-ing diode, which is used to provide improved efficiency and reduce the heat generated by the converter.

The TEQ 40-4811WIR operates on a buck-boost topology, which is a combination of the buck and boost converters. This topology is advantageous because it can efficiently handle a wider input voltage range than either the buck or boost can individually. In the event that the input voltage is higher than the output voltage, the converter will act as a buck converter, reducing the voltage from the input source. On the other hand, if the input voltage is lower than the output voltage, the converter will act as a boost converter, raising the input voltage to the desired level.

The TEQ 40-4811WIR converter uses a two-phase interleaved buck-boost topology, which provides superior performance and higher efficiency. In this topology, two PWM signals from two switching elements are generated and interleaved with each other. The interleaving of the PWM signals reduces the peak current in the inductor, which results in less switching losses and improved efficiency. The TEQ 40-4811WIR also features an integrated current-mode control loop, which helps to regulate the output voltage and improve dynamic response.

In addition, the TEQ 40-4811WIR features an adjustable peak current limit, enabling the user to limit the current flowing through the inductor. This feature prevents the converter from drawing too much current from the input source, which can result in damage to the converter. It also features an overvoltage protection, which will limit the output of the converter if the output voltage exceeds the specified level.

Overall, the TEQ 40-4811WIR DC-DC converter is an ideal solution for many applications that require a wide input voltage range and improved efficiency. It features an integrated OR-ing diode, high efficiency, and adjustable peak current limit, making it a versatile and reliable converter. In addition, its buck-boost topology allows for efficient conversion, even when the input voltage is lower or higher than the output voltage. This makes it an ideal choice for applications such as PoE, automotive, battery charging, telecom, and data processing.

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