TPS613221ADBVT Integrated Circuits (ICs)

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TPS613221ADBVT DC DC Switching Regulators

The TPS613221ADBVT is a low-voltage DC-DC switching regulator that is commonly used in automotive, industrial, and consumer applications. The regulator is designed to step down an input voltage to a lower, regulated output voltage. The device consists of two power transistors, an error amplifier, an oscillator, a current limit comparator, and two physical pins for voltage measurement and voltage adjustment.

The output voltage of the regulator is determined by two internal signals; the error amplifier output and the voltage reference. The error amplifier output measures the output voltage and compares it to the reference voltage and adjusts the output current accordingly. The reference voltage can be adjusted through the pins on the device. This will allow for fine-tuning of the output voltage.

The device operates by switching the two power transistors on and off at a very high frequency, typically around 100kHz. This results in a voltage output that is much lower than the input voltage, with minimal losses from the transistors and error amplifier. The current limit comparator senses when the current through the output is too high, and will turn the transistors off to prevent damage or excessive heating of the device.

The TPS613221ADBVT can be used in automotive applications, such as charging a battery, as well as LED lighting, portable devices, and cameras. It is capable of delivering up to 500mA at a 6V output, with a 3.6V to 15V input range. The device features a low quiescent current and can be shut down using the shutdown pin, making it ideal for energy-sensitive applications.

The TPS613221ADBVT is a low-voltage, high-efficiency switching regulator capable of conserving power, noise, and heat in a wide variety of applications. Its low dropout voltage and programmable output voltage make it suitable for a range of applications, from automotive to industrial and consumer. The device\'s low quiescent current and shutdown pin make it ideal for energy-sensitive applications.

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