TPS65175ARSHR Integrated Circuits (ICs)

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Power management integrated circuits (PMICs) are an essential component in almost any application or device. PMICs are used to efficiently manage and regulate the power coming from a variety of sources, such as batteries, wall adapters, solar cells and fuel cells. PMICs are designed for specialized applications, such as automotive, consumer electronics, industrial and medical.

An important type of power management IC is the TPS65175ARSHR (TPS). The TPS belongs to the family of highly-integrated, low-power synchronous step-down regulators for DC-DC converters. It combines a synchronous buck regulator, an LED driver and an adjustable load switch into a single package. It is designed to deliver efficient and reliable performance in a wide range of applications.

Application Field

The TPS65175ARSHR is a versatile IC that is suitable for various applications, such as smartphones, tablets, GPS and wearables. It is capable of powering multiple devices, as it can provide up to 3A of continuous current to a single channel and 2A of continuous current to a dual-channel configuration. It also supports multi-function GPIOs, which can be used to enable or disable certain functions. The IC is suitable for applications that require up to 25V input voltage and supports a wide range of output voltage ranges, ranging from 0.6V to 3.3V.

The TPS is designed for high efficiency, offering up to 95% of efficiency at light loads. This makes it ideal for applications where the battery must be charged quickly, such as mobile phones and tablets. It also supports low-dropout and pulse skipping modes, which help to optimize system power and reduce switching noise.

Working Principle

The TPS65175ARSHR is a synchronous step-down regulator. It converts an input voltage into a regulated output voltage. The input voltage is compared with a reference voltage and if it is higher than the reference voltage, an output switch is turned on, allowing the current to flow from the input voltage to the output voltage. When the output voltage is greater than the reference voltage, the switch turns off and the output voltage is regulated. The TPS supports multiple output current ratings, which are programmable using a bank of resistors. The integrated LDO and linear regulator allow for low-voltage output programming.

The TPS features an integrated low RDS(on) switch, which enables higher efficiency. The device also features a fast transient response, which prevents voltage droop and thus helps to reduce power losses. It supports dual-channel output with independent enable pins, allowing multiple outputs to be powered simultaneously. The device also features soft-start, which reduces inrush current during startup.

The TPS can operate at a wide range of temperatures, making it suitable for outdoor applications. It also features an integrated thermal protection circuit, which helps to protect the device from overheating. The device also features an under-voltage lockout circuit, which helps to protect the device from incorrect power supply voltages.

The TPS65175ARSHR is a versatile and reliable power management IC for a wide range of applications. It has a low pin count and can be used in dual-channel output for powering multiple devices simulataneously. It also supports low-voltage output programming and carries integrated protection circuits for protection from overvoltage, undervoltage, overcurrent and thermal events. Its high efficiency and fast transient response make it suitable for a variety of specialized applications.

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