TPS62110QRSARQ1 Integrated Circuits (ICs)

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TPS62110QRSARQ1 Application Field and Working Principle

The TPS62110QRSARQ1 is a step-down DC-DC switching regulator which turns a high input voltage into a lower output voltage. It belongs to a family of devices in the field of power management integrated circuit (PMIC) called voltage regulators, and more specifically DC DC switching regulators. This particular device reaches high efficiency through the use of a fixed switching frequency, input voltage between 2.5V and 20V, adjustable output voltage between 0.6V and 5.25V, and a wide range of output current. Its great power density, well-suited package, and an integrated power switch make it suitable for a wide range of applications.

Application Field

TPS62110QRSARQ1 can be suitable for many different applications. It is well suited for multi-rail applications, such as notebooks, desktops, workstations, datacenter servers, and telecom systems. Due to its small size, it can be used in space limited applications, such as tablets, HDDs, and DVD players. The fixed switching frequency of TPS62110QRSARQ1 is ideal for audio applications because of low noise generation, and for power management systems due to low electromagnetic interference (EMI).

Working Principle

The TPS62110QRSARQ1 is a step-down DC-DC converter with a low input voltage range of 2.5V to 20V. The output voltage is adjustable from 0.6V to 5.25V with a wide range of output current. In essence, the device works by using a set of metal-oxide-semiconductor field-effect transistors (MOSFETs) to switch the input voltage to produce the output voltage. When the input voltage is on, the MOSFETs form an “on” period and allow current to flow to the output. When the input voltage is off, the MOSFETs form an “off” period and no current flows to the output. This process is repeated constantly at the same frequency to maintain a constant output voltage.

The TPS62110QRSARQ1 also has a built-in low dropout (LDO) regulator which adds extra stability and protection. When the output voltage of the step-down DC-DC converter is higher than the input voltage, this will trigger a protection circuit which will shut down the current flow. The LDO then takes over and supplies the necessary voltage to the output.

In addition, the TPS62110QRSARQ1 has a slew rate control feature which adjusts the voltage ramp rate. This feature provides a smooth and gentle transition between input and output voltages, thereby reducing noise and improving emission performance.

Conclusion

The TPS62110QRSARQ1 is a versatile device suitable for a wide range of applications. It features a fixed switching frequency, a wide input and output voltage range, and a wide range of output current. Its integrated power switch, small size, and great power density make it especially attractive for space constrained designs. The use of a built-in LDO regulator and a slew rate control feature ensures stability and noise reduction.

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