TPS62000SHKK

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The TI TPS62000SHKK DC-DC Buck Converter is a small and efficient voltage regulator device marketed toward a wide range of industrial applications, such as computing, communications, automotive, and consumer electronics. The device is housed in a tiny, 3mmx3mm chip size, which allows it to be used in a variety of environments, ranging from automotive to small, space-confined embedded systems. With the integrated power management system, it is able to maintain constant voltage and current options while saving energy and meeting customer’s needs.

Application Field

The TPS62000SHKK is a buck converter with a maximum operating voltage of 38V, making it suitable for applications requiring higher voltages. This device features an adjustable switching frequency up to 2MHz, making it ideal for applications that require higher power accuracy and efficiency. The TPS62000SHKK also provides an integrated voltage follower, allowing it to adjust output voltage according to the sensed load current, which allows for excellent current sensing accuracy and improved line/load transient response.

Other features of the device include an integrated load disconnect, short-circuit protection, and a low-noise operation mode for applications that require low-noise performance. Additionally, the device supports a wide range of output voltage settings, ranging from 1V to 6V, making it suitable for a wide range of applications.

The TPS62000SHKK is also appealing to designers due to its low-power performance and high-accuracy power management. The 1.2% power accuracy ensures tight voltage regulation while the quiescent current of the device is only 8µA in normal operation. Furthermore, the internal MOSFET is capable of delivering 1.7A at 4.5V, which makes it suitable for a variety of low-power applications.

Working Principle

The TPS62000SHKK is a DC-DC buck converter with a step-down switching topology. This means that the device is capable of converting a higher DC voltage into a lower DC voltage (step-down) while achieving high efficiency. The device uses two external components, an inductor and a capacitor, to produce the regulated output voltage.

The device uses a two-stage process to regulate the output voltage. The first stage is a pulse width modulation (PWM) waveform, which is generated by the onboard PWM controller and is fed to the internal MOSFET switch. At the same time, an external inductor is charged with the incoming power and acts as an energy storage device, storing the energy from the input and releasing it when the MOSFET switch opens.

The second stage of the process is the output stage, where the output voltage is regulated by the PWM controller. During this stage, the PWM controller measures the output voltage and adjusts the duty cycle of the PWM waveform accordingly. This allows the device to accurately regulate the output voltage with the help of the inductor and capacitor.

The TPS62000SHKK is capable of delivering up to 1.7A at 4.5V and boasts an operating efficiency of up to 90%. The device is also compliant with the international energy star efficiency requirements, making it suitable for a wide range of industrial applications. With such high-performance capabilities, the device is a great choice for applications requiring an energy-efficient, high-accuracy power management solution.

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