TPS40193DRCRG4

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TPS40193DRCRG4 Application Field and Working Principle

The TPS40193DRCRG4 is a key component of a power management system for integrated circuits and computer-controlled systems. With its advanced technology and unique features, the TPS40193DRCRG4 provides an excellent solution for a wide range of applications.

Features and Benefits

The TPS40193DRCRG4 is a DC-DC switching controller designed for efficient power management applications. The device features a high-efficiency step-up controller, multiple protection features, programmable frequency, and integrated output fault protection. It features low-Droop operation for better system efficiency, and a wide input voltage range of 4.5V to 28V for operating/standby voltage applications. Additionally, the device offers adjustable standby current, as well as flexible overcurrent protection and undervoltage lock-out for improved system control. It also provides a comprehensive selection of control signals for system monitoring and control.

Application Field

As mentioned above, the TPS40193DRCRG4 is suitable for a wide range of applications. It can be used in portable and desktop PCs, notebooks, computer peripheral devices, home entertainment systems, and other equipment. It is especially useful for applications that require multiple output voltages, such as typical voltage converter applications, because it provides the best overall system performance by avoiding the need for multiple controllers.

Working Principle

The TPS40193DRCRG4 is a synchronous forward converter DC-DC switching controller. It features a high-efficiency step-up controller with a wide range of operating/standby voltage. It also features low-droop operation for better system efficiency and a flexible overcurrent protection and undervoltage lock-out for improved system control.

At the heart of the TPS40193DRCRG4 is a synchronous forward converter. The device uses a voltage-mode control scheme to ensure high accuracy at different switch frequencies. When the input voltage is higher than the output voltage, the devices will switch at a fixed frequency of about 250kHz. At other input voltages, the device will switch at different frequencies to modify the output voltage.

The TPS40193DRCRG4 also includes two external MOSFETs, one high-side and one low-side. The high-side MOSFET is used when the load is driven by higher voltage and the low-side MOSFET is used when the load is driven by lower voltage. The controller also includes a current-sense amplifier, that senses the load current and controls the ON/OFF switching of the MOSFETs.

Furthermore, the TPS40193DRCRG4 features various features to protect the system. It includes an overvoltage loop for controlling the high-side driver voltage, as well as a thermal shutdown circuit to provide protection against over-temperature operation.

Conclusion

The TPS40193DRCRG4 is a perfect choice for a wide range of power management applications. Thanks to its wide input voltage range, flexible overcurrent protection, and adjustable standby current features, the device provides excellent performance for multiple output applications. It also features low droop operation for better system efficiency, as well as a reliable current-sense amplifier and multiple protection features for improved system control. This makes the TPS40193DRCRG4 well-suited for a variety of DC-DC switching controller applications.

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