TPS62243QDDCRQ1

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TPS62243QDDCRQ1 is a programmable synchronous buck converter designed to fulfill the need of small form factor applications and ultra-low quiescent current requirement up to low power supply. It is part of a family of DC DC switching regulators which belongs to the field of PMIC (Power Management ICs). This particular device is designed to cover a wide range of power supply voltage and provides versatility with its programmable regulator, allowing it to be tailored to suit the desired needs. It is a perfect fit for applications such as wireless charging, power line communication, low-power IoT devices and other applications which need to convert one type of power source to another.

The configuration of the TPS62243QDDCRQ1 is done using the control signals VINON, VINFB, REF and FB. These signals allow the device to operate in both Voltage Regulation Mode (VRM) and Pulse Frequency Modulation (PFM) mode, depending on the needs of the application. In VRM mode, the current is regulated by adjusting the switch activation time and in PFM mode, the frequency of the PWM signals is adjusted. The TPS62242QDDCRQ1 also has protection features such as over-voltage protection (OVP), thermal protection (TJ) and short-circuit protection (SCP) to prevent damage to the device.

The working principle of TPS62243QDDCRQ1 is based on the synchronous buck principle. In a synchronous buck converter, two main switches – the main switch (MMA) and the synchronous switch (SYNC) – are used to facilitate power supply conversion. A voltage reference and the speed difference between the two switches ensure that the input voltage and the output voltage remain within the predefined range. In addition, the output can also be adjusted by varying the frequency of the switching signals. The TPS62243QDDCRQ1 is optimized with an internal bootstrap network for optimized start-up and low quiescent current.

The TPS62242QDDCRQ1 is an ideal choice for applications which require a supply voltage within the range of 0.9 V to 6.3 V, a current range from 500 μA to 1A and the ability to be tailored to the specific needs of the application. Its low quiescent current requirement makes it suitable for applications which need to operate on battery power and its protection features provide peace of mind to the user. The programmable regulator ensures that the device can be used in a wide range of applications and the ease of configuration makes it a perfect fit for applications.

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