TPS65175RSHR Integrated Circuits (ICs)

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Power Management IC (PMIC) is the technology of controlling and managing the power of electronic devices. There are various types of PMICs, including General Power Management, System Level Power Management, and Specialized Power Management. TPS65175RSHR is an example of a specialized PMIC, specifically designed to manage power in automotive applications.

The TPS65175RSHR is a buck-boost controller with an integrated low Side MOSFET that provides up to 4A of output current. It is designed to achieve a high efficiency in small form-factor applications, allowing automotive designs to make large power savings from their power budgets. The PMIC offers various features, including input undervoltage lockout, adjustable output voltage, over-temperature and short-circuit protection, and adjustable switching frequency.

In addition to its power management functions, the PMIC also offers a number of protection features. The chip has a reverse-current protection circuit that protects the device from high-voltage transients, and an over-temperature protection circuit that shuts down the PMIC when the device temperature exceeds a predefined limit. Additionally, the TPS65175RSHR has an adjustable input overvoltage protection circuit that limits the input voltage to a safe level when over-voltage conditions occur.

In order to manage the power in automotive applications, the TPS65175RSHR has an internal PFET switching network with two phases in parallel. The two phases can be configured to work together or independently, allowing the device to manage large load currents. As a result, the PMIC is suitable for powering high-end automotive applications such as telematics, infotainment systems, and autonomous vehicles.

In terms of its working principle, the TPS65175RSHR provides an adjustable output voltage by controlling the internal PFET switching network. The switching network is a voltage regulator, which is regulated by an external resistive divider network. The divider network is used to adjust the output voltage of the buck-boost converter, allowing the user to set the desired output voltage. The feedback voltage from the output voltage is then used to control the switching frequency and duty cycle of the PFETs, allowing the device to maintain the desired output voltage.

The TPS65175RSHR is a highly efficient and cost-effective buck-boost controller, making it an ideal choice for automotive applications. It offers a versatile feature set and an advanced protection features, allowing it to provide reliable power management for high-end automotive systems. With its high efficiency, small size, and adjustable output voltage, the TPS65175RSHR is an ideal choice for automotive applications.

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