TPS61081DRCT

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The voltage regulator plays an important role in daily life every day, ensuring that the power supply runs stably and reliably. The TPS61081DRCT is a high-performance synchronous switching regulator with high efficiency, low noise and small volume. It is suitable for various applications such as portable inverter, power bank, pick up and portable medical equipment. This article will discuss TPS61081DRCT\'s application field and working principle.

TP61081DRCT is suitable for a variety of applications, such as cellular phones, netbooks, tablets, portable gaming systems, digital cameras and other portable applications. The TPS61081DRCT features high-efficiency, 150mA peak output current for supplying portable USB devices, and supports 1.9V to 6V input voltage voltage. The TPS61081DRCT supports 1MHz switching frequency and high efficiency (up to 95%). Compared with other solutions, the overall size is small, and the solution package supports a device package size of only 1.2mm × 2mm.

The TPS61081DRCT is a step-down DC-DC synchronous converter that uses a synchronous buck switching regulator with a maximum input voltage of 6V and a maximum output voltage of 3.3V. Its main purpose is to convert the input voltage to a stable output voltage. The overall design of the TPS61081DRCT is to use two synchronous N-channel MOSFETs connected in parallel as the main synchronous switch of the module, and use the same switch principle to switch between the two transistors at the same time and in opposite directions, converting the high voltage input signal into the output signal with a lower voltage at the same time. The main control element of the TPS61081DRCT is a low-dropout control chip, which is mainly responsible for regulating the voltage of the output voltage, and can also provide protection such as over temperature protection and over current protection.

The working principle of the TPS61081DRCT is simple and easy to understand. The TPS61081DRCT uses a synchronous rectification technique to achieve high efficiency compared to other switching regulators, and it has a wide input voltage range of 1.9V-6V. When the input voltage rises to the set time, the internal control part sends a signal to the primary MOSFET and the synchronous MOSFET of the module. Both transistors are turned on at the same time and continue to conduct until their current is charged. The current is limited to a certain value and controlled by a cycle, the current value is measured by the voltage current loop, the output value is measured by the voltage loop, the output DC value is regulated by controlling the current value, and finally the stable output DC signal is obtained.

In short, the TPS61081DRCT is a high performance, low noise and small size synchronous switching regulator, which is suitable for many types of portable applications, such as cellular phones, netbooks, tablets, portable gaming systems, digital cameras etc. It has a wide input voltage range of 1.9V-6V, with high efficiency of up to 95%, and supports 1MHz switching frequency. Its working principle is to use two synchronous N-channel MOSFETs connected in parallel as the main synchronous switch of the module, and to use the same switch principle to switch between the two transistors at the same time and in opposite directions, converting the high voltage input signal into the output signal with lower voltage, and the output voltage is regulated by controlling the current value.

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