TPS60204DGSR Integrated Circuits (ICs)

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The TPS60204DGSR is a member of the Texas Instruments\' TPS60200 series of DC-to-DC switching regulators. This component provides high-current output, designed for step-down applications. With its wide input voltage range and adjustable output voltage, the TPS60204DGSR is fit for a variety of applications. This article discusses the field of application and working principle of the TPS60204DGSR.

Application Field

The TPS60204DGSR provides high efficiency and compact solution for step-down applications. It can be used for powering any number of applications such as automotive, medical, consumer, industrial, and telecom & datacom equipment. It is particularly suitable for automotive applications as it provides support for high temperature operation and is AEC-Q100 certified.

The TPS60204DGSR is featured with a wide input voltage range from 2.5 V to 16 V. Its highly efficient output options allow for a wide range of output voltages, ranging from 0.6 V to 15 V.

The TPS60204DGSR enables the operation of portable devices in a variety of environments where high efficiency, wide input voltage range, and high current are often critical. This makes the TPS60204DGSR ideal for low power solutions.

The TPS60204DGSR has the ability to achieve best-in-class current performance, making it suitable for powering at high loads. Its high integration reduces the number of external components, leading to board space and cost savings. The TPS60204DGSR is RoHS compliant.

Working Principle

The TPS60200 series of DC-to-DC switching regulators include a controller, two external power MOSFETs, a modulation circuit, an inductor and a few external components. The controller contains an error amplifier, dual comparators, two accurate reference voltages and several logic functions. The power MOSFETs are responsible for regulating the output voltage.

Under normal operation, the reference voltage is used to compare the output voltage with the feedback voltage, and the error amplifier generates an output voltage in response to the difference. This output is then compared with the PWM waveform from the modulation circuit, which is alternated during each switching cycle. If the outputs of the error amplifier and the PWM waveform are different, the comparators cause the duty cycle of the switching MOSFET to be changed, which modulates the average output voltage.

The inductor, which is connected between the switches, stores energy during the high-side switch turn-on time, and releases it during the low-side switch turn-on time. This allows the output voltage to adjust, as the input voltage changes. The two external MOSFETs are responsible for switching the voltage. The output voltage is regulated by changing the on-time of the Low-side MOSFET. Later, the power MOSFETs will turn off, and thus energy is stored in the output capacitor, which provides the initial energy for the next switching cycle.

The TPS60204DGSR is designed to meet the requirements of high-power applications needing a wide range of input and output voltages. With its low power consumption and high efficiency, the TPS60204DGSR is a compact and reliable solution for powered devices.

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