TPS2064CDGNR-2

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TPS2064CDGNR-2 is part of the Power Distribution Switches, Load Drivers (PMIC) category. The primary role of this PMIC device is to provide a ground reference voltage to charge pump circuits and other components that require a stabilized reference in the power supply circuits. Its working principle is simple: the TPS2064CDGNR-2 is designed to be used in applications with a wide range of input voltages, from 2.7V to 40V, and it has the capability to safely and efficiently offer a 4V to 40V output with up to 2A of current load.

The TPS2064CDGNR-2 also features short-circuit protection and thermal shutdown capabilities. A sophisticated current limit based on sensing the voltage drop across the internal power FET is used to provide over-current protection. The device is designed to be used with a minimum of external components and its wide range of operating temperatures makes it suitable for use in automotive and other mission-critical applications.

The core of the TPS2064CDGNR-2 is its on-board charge pump circuit, which is powered by a low-voltage supply (VDD) and provides a regulated voltage output (VOUT) to the load. The charge pump operates by using the low-voltage VDD to generate higher voltages (VOUT) at its output nodes. The device contains two charge pump stages, one for generating the positive voltage (VOUT) and the other for generating the negative voltage (V-OUT). During startup, both charge pumps are switched on and they provide a regulated output voltage, determined by an internal voltage reference and external resistors.

The device also features an adjustable low dropout voltage regulator circuit, which allows the user to set the output voltage according to the needs of the application. This LDO is designed to provide the steady output voltage even when the input voltage fluctuates. The TPS2064CDGNR-2 also allows the user to program the internal charge pump drivers for a low power consumption or a higher output current.

By using external resistors, the current limit of the device can be varied according to the requirements of the application. The TPS2064CDGNR-2 also supports up to 8 task-specific digital inputs, which allow the user to select the correct operating mode and control the switch to open and close. This task-specific digital control is made possible by the integrated control logic, which allows the user to program the device to provide the right output voltage and current limit according to the power requirements of the application.

In conclusion, the TPS2064CDGNR-2 is a versatile PMIC device that can be used in applications requiring a wide range of input and output voltages, with up to 2A of current load. It features a sophisticated current limit based on sensing the voltage drop, short-circuit and thermal protection and adjustable low dropout voltage regulator circuit that allows the user to set the output voltage. Additionally, it supports up to 8 task-specific digital inputs, which allow the user to program the switch to open and close according to the needs of the application. With its capabilities, the TPS2064CDGNR-2 can be used in automotive, mission-critical and other demanding applications.

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