TPS53819ARGTT Integrated Circuits (ICs)

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The TPS53819ARGTT is a voltage regulator especially designed for low-loss power switching design. It is part of the large DC/DC Switching Controllers family and Voltage Regulators family, which are a kind of power management integrated circuit (PMIC) devices.

Due to the low cost and high integration, the TPS53819ARGTT is widely used in the fields of automotive, computing, industrial, and mobile battery applications. This easy-to-use and high reliable chip would be a great power conversion solution for various applications.

Features

• Integrated supply voltage, input voltage, and output voltage protection safeguards.
• Three integrated low-RDS(ON) DMOS power stages for simple design and reliable operation.
• Integrated high-accuracy voltage sensing circuitry includes voltage divider, precision resistor and reference.
• Integrated Under-voltage Lockout enables diagnostics.
• Integrated PGOOD output provides a logic-level output when the output voltage is within regulation limits.
• Integrated integrated shoot-through protection.
• Programmable output voltage sequence
• Operating Temperature Range –40°C to +125°C

Applications

• Automotive Systems
• Data Acquisition Systems
• Industrial Controls
• Portable and Wearable Electronics
• Battery Management Systems
• Cell Phones
• Computers and Servers
• Smart Appliances

Working Principle Overview

The TPS53819ARGTT is designed to provide a low-loss power conversion solution in applications where a voltage regulator is necessary. The core of the TPS53819ARGTT is the current mode control which helps achieve fast response, high stability and tight regulation. This device has three integrated low-RDS(ON) DMOS power switches which are controlled by the internal current-mode PWM controller. This PWM controller uses a fixed frequency of 460kHz.

The TPS53819ARGTT also has an auto-restart function, which ensures a clean start-up. An external resistor-divider is used for the adjustment of output voltage, and a large capacitor can be used to filter the output voltage. The device includes an under-voltage lockout circuit, which prevents the device from powering up if the input voltage is below the set threshold. It also has a PGOOD output, which indicates whether the output voltage is within the regulation limits.

Conclusion

The TPS53819ARGTT is a reliable and easy-to-use voltage regulator device. Its wide range of features, such as its integrated low-RDS(ON) DMOS power stages, wide operating temperature range, and current-mode PWM control make it an ideal choice for a variety of automotive, computer, industrial, and mobile battery applications.

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