TPS62043DGQR

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TPS62043DGQR Application Field and Working Principle

TPS62043DGQR is a highly efficient, programmable step-down DC/DC converter that is used for providing low-power single-voltage supplies for applications with wide input voltage (3V to 36V). It includes a 23V internal switch and offers high-efficiency conversion with up to 2A output current. It has been designed with fast transient response, low output voltage ripple and a wide set of electronically programmable features, making it suitable for a broad range of applications that require power management solutions. This article will discuss the application field and working principle of the TPS62043DGQ.

Application Field

The TPS62043DGQ is suitable for use in a variety of applications that require high efficiency and programmability. It offers high efficiency conversion over an input voltage range of 3V to 36V, allowing for applications in both portable and industrial settings. Its fast transient response and low output voltage ripple make it ideal for powering applications that require clean supply voltage, such as cameras and audio systems. Its wide set of programmable features make it suitable for systems that require adjustments and flexibility, such as for medical, automotive, and military grade applications.

The TPS62043DGQ is a small step-down switcher that is suitable for low-power single voltage supplies. Its on-chip 21V switch combined with the adjustable 1.5MHz switching frequency allows for highly efficient operation even at low loads. The programmable peak current limit feature prevents over-current conditions, while the programmable soft-start current limit feature prevents inrush current during start-up. The TPS62043DGQ also offers over-temperature protection and can be configured for both synchronous and asynchronous operation.

Overall, the TPS62043DGQ is an excellent choice for a wide range of applications that require power management solutions. It offers fast transient response, low output voltage ripple, programmable functions, high efficiency, and easy operation all in a small package.

Working Principle

The TPS62043DGQ is a step-down DC/DC converter that operates on an adjustable switching frequency of 1.5MHz. It works by first driving the internal switch to transmit power to the output. Then, as the feedback node senses an output voltage greater than the programmed feedback voltage, the feedback voltage is adjusted until the output voltage reaches the programmed value.

The internal switch is designed to activate at a voltage that is greater than or equal to the regulated output voltage. This allows the device to automatically adjust the voltage and current to the load, providing optimal efficiency over a wide range of loads. The internal control circuitry senses when the switch is active and regulates the current to the load. Once the output voltage is reached and the load is driven efficiently, the controller turns off the switch and the current flow stops.

The on-chip 21V switch also features a peak current limit and a soft-start current limit that prevents inrush current during start-up. Additionally, the integrated over-temperature protection ensures that the device will not be damaged in case of an over-temperature event. This feature allows the device to meet the demands of a variety of applications that require reliable, long-term performance.

Overall, the TPS62043DGQ is an excellent choice for providing low-power single voltage supplies. Its on-chip 21V switch, programmable features, and fast transient response make it suitable for a variety of applications that require power management solutions. It offers high efficiency conversion over an extended input voltage range while also providing protection against inrush current and over-temperature events. In addition, its small package and fast response time make it an ideal choice for applications that require precise power management.

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