TPS63700DRCTG4

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TPS63700DRCTG4 is a highly efficient, single-inductor, synchronous step-down DC-DC converter with integrated switch with a small package size and low external components. It is designed to be used as an adjustable regulated output power supply. The TPS63700DRCTG4 operates with a 0.9-V to 5.5-V input voltage range and provides an adjustable output voltage of 0.8 V to 5 V. It is capable of delivering up to 500 mA of output current, and is designed to match the EMI performance requirements of automotive applications.

Application of the TPS63700DRCTG4

The TPS63700DRCTG4 is a wide input voltage buck converter specifically designed for automotive applications. It can be used in a wide variety of automotive applications, such as powertrain, body control, and lighting, as well as industrial and consumer applications. It is suitable for driving LEDs with low quiescent current for automotive ambient and functional lighting applications. It is also suitable for driving multiple loads in applications such as DC-DC interior lighting, body control systems and non-isolated integrated circuit power supplies. Its low supply current enables designers to optimize the power savings of their system. Its high power efficiency and high ripple rejection ratio ensures high stability in the output voltage.

Working Principle of the TPS63700DRCTG4

The TPS63700DRCTG4 is a synchronous step-down DC-DC converter with an integrated switch. It works on the principle of pulse-width modulation, with the switching frequency of 300 kHz. When the control loop is enabled, the internal control loop adjusts the external MOSFET\'s gate drive according to the feedback signal from the error amplifier. The external MOSFET is pulsed in such a way that the average is always equal to the output voltage set by the feedback voltage, and the optimal maximal inductor current is achieved. The feedback signal is regulated by the feedback pin, and the reference voltage of the error amplifier is set through the FBpin.

The TPS63700DRCTG4 also has integrated safety features such as a minimum on-time restriction and an adjustable over current limit. This ensures a longer component life and improved robustness, which is a must-have in automotive applications. The TPS63700DRCTG4 also offers active device thermal protection and thermal shutdown, as well as short circuit protection, input UVLO and output UVLO.

Conclusion

The TPS63700DRCTG4 is a versatile, highly efficient, high power density synchronous buck converter specifically designed for automotive applications. It features low component count, small form factor, low noise, and high efficiency. Its wide input voltage range and adjustable output voltage makes it suitable for a wide range of applications. It provides multiple safety features to ensure system robustness and reliability. The adjustable over current limit ensures a longer component life and improves overall efficiency.

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