TPSM846C23MOLR

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DC-DC converters are electrical devices that convert a direct current (DC) input voltage to a different DC output voltage. They are commonly used in power supplies and serve as the power source for various electronic applications. The TPSM846C23MOLR is a type of DC-DC converter designed for use in mobile and automotive applications. It provides an output voltage range from 0.8V to 5.5V with extremely low quiescent current and minimal power loss.

The design of the TPSM846C23MOLR includes a step-down boost converter with an integrated power FET and low-side FET. The power FET is responsible for delivering the regulated output voltage while the low-side FET provides output current protection by limiting the output current to the specified level. The integrated circuit also includes an internal soft start circuit that prevents inrush current upon start up. Additional features such as over-temperature protection and thermal shutdown are incorporated in the design for safety purposes.

In terms of its application field, the TPSM846C23MOLR is suitable for use in a wide range of mobile and automotive electronics such as phones, tablets, cameras, and automotive audio systems. It is highly efficient and capable of providing up to 98% duty cycle conversion. It has a wide input voltage range of 4.2V to 21V which is suitable for both 5V and 12V automobile batteries. The output voltage is adjustable from 0.8V to 5.5V, and the maximum output current rating is 93A.

When it comes to the working principle, the TPSM846C23MOLR uses a step-down boost converter featuring Pulse Frequency Modulation (PFM) control. The PFM enables high efficiency over a wide input voltage and load current range. In addition, the part also includes an integrated active clamp controller that reduces flyback voltage to a minimum. The output voltage is adjustable with an external resistor in the range of 0.8V to 5.5V. The device is designed to operate in a continuous conduction mode for improved transient response. The start-up kick-start circuit ensures smooth start-up with minimal overshoot.

The TPSM846C23MOLR offers a wide range of features and is suitable for use in a variety of mobile and automotive applications. Its high efficiency, adjustable output voltage, and low quiescent current make it an ideal choice for today\'s sophisticated electronic designs. Its integrated features such as over-temperature protection and thermal shutdown provide protection from damage caused by prolonged power loss.

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