TPS65135RTER

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Integrated (PMIC) power management integrated circuits have served a vital role in providing the power necessary to keep energy-hungry electronic devices up and running. The TPS65135RTER can be classified as a special purpose voltage regulator, allowing custom power management solutions for applications such as switches, battery-powered systems, laptops, medical equipment, and more. This article will explore the application fields and working principle of the TPS65135RTER.

Application Fields

The TPS65135RTER is a multi-rail synchronous PWM buck switching regulator. It is designed for applications requiring high accuracy, low noise, and high efficiency power control. It is ideal for use in applications where precision power management is needed due to the need to drive high current loads, such as in computer systems or servers. Additionally, its wide-input voltage capability makes it able to support a range of battery-powered applications.

The TPS65135RTER is designed to offer a flexible power-conversion architecture with advanced features, such as adjustable current limit, duration of PWM, synchronization, and dynamic voltage scaling. The power-conversion architecture enables the control of multiple loads with a single device, which makes this regulator ideal for applications with high power density requirements, such as computers and medical equipment. Other applications include automotive infotainment systems, consumer electronics, and portable devices.

Working Principle

The TPS65135RTER is a multi-rail synchronous PWM buck switching regulator. Its main components include an integrated voltage regulator, an output voltage divider, an error amplifier, adjustable current limit circuitry, PWM switching circuitry, and logic control circuitry, which provide the regulation and control of output voltages.

The regulator uses a switching topology with pulse-width modulation (PWM) control to regulate the output voltage. The regulator takes an input voltage, typically provided by a battery, and uses the PWM signal to regulate it to the desired output voltage. The PWM signal adjusts the duty cycle of the output voltage, and is generated by the error amplifier.

The output voltage divider is used to enable the regulator to sense the output voltage, and depending on the output voltage divider ratio, feedback control is also performed. The adjustable current limit circuitry is used to protect the components, and the logic control circuitry is used to control the power-up sequence and the start-up process of the regulator.

The TPS65135RTER provides a range of features, such as adjustable output voltage, adjustable frequency, adjustable current limit, programmable soft-start, and more, which are all useful in custom power management applications. Furthermore, it utilizes a synchronous rectifier to reduce switching losses, allowing it to achieve a high efficiency rating.

Conclusion

The TPS65135RTER is a special purpose voltage regulator designed for applications where precision power management is necessary due to high current loads. It is ideal for application such as computers and servers, medical equipment, automotive infotainment systems, consumer electronics, and portable devices. It features a range of features such as adjustable output voltage, adjustable frequency, adjustable current limit, programmable soft-start, and more. Moreover, it utilizes a synchronous rectifier to reduce switching losses and maximize efficiency.

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