TPS40200QDRQ1 Integrated Circuits (ICs)

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The TPS40200QDRQ1 is a DC-DC switching controller and voltage regulator designed to provide step-down conversion from an input voltage of up to 36Vin to a fixed output voltage of 3.3V, with an output current capability of 6A. It features an integrated reference voltage and over-current protection, as well as low-ripple operation and a wide operating temperature range up to 125°C.

Applications

The TPS40200QDRQ1 is suitable for a wide range of applications such as LED lighting, LED displays, industrial equipment and battery applications. It can be used to convert a high input voltage from a DC battery/panel/wall-mount adapter to the lower steady voltage, while ensuring high efficiency and low power loss. It also provides protection against over-voltage, over-current and over-temperature conditions.

Working Principle

The TPS40200QDRQ1 works on the principle of pulse width modulation (PWM). It takes an input voltage and converts it to the output voltage by switching the application power device on and off at a high frequency in proportion to the input voltage. This is achieved by the use of a voltage feedback loop, which monitors the output voltage and adjusts the amount of time the power device is turned on accordingly. The PWM technique ensures that the voltage is maintained within a specified range and that the output current is also regulated to avoid overloading the power device.

The TPS40200QDRQ1 also offers excellent thermal performance. It employs an advanced thermal control algorithm which measures the junction temperature and adjusts the switching pulse width accordingly. This ensures that normal operation of the device is not affected and that the temperature is kept within a predetermined range. This helps to conserve energy and to extend the life of the device.

The TPS40200QDRQ1 also features an integrated power-on reset circuit which monitors the power supply condition and automatically turns the power device off if it is found to be out of range. This provides a reliable and efficient method for monitoring and protecting the power supply and the connected devices.

In addition, the TPS40200QDRQ1 provides diagnostic features such as current limit detection, voltage limit detection and detected fault indication which can be used to identify potential problems with the voltage supply. This helps to ensure that the system is operating properly and helps to reduce the chances of system failure.

Overall, the TPS40200QDRQ1 is an advanced and efficient DC-DC switching controller and voltage regulator designed to provide reliable and efficient conversion of a wide range of input voltages to a fixed output voltage. It offers excellent thermal performance and robust protection against over-voltage, over-current and over-temperature conditions. It also provides diagnostic features to help identify potential problems with the power supply. This makes it an ideal choice for a variety of applications requiring step-down conversion of a high input voltage to a steady output voltage.

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