TPS62060DSGR Integrated Circuits (ICs)

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TPS62060DSGR Application Field and Working Principle

The TPS62060DSGR is a high-efficiency, integrated synchronous buck-boost switching regulator suitable for many applications that require step-up and step-down conversion capabilities. It is part of the TI Power Management Integrated Circuit (PMIC) family of DC-DC switching regulators and falls into the category of Voltage Regulators. The works by regulating an output voltage to the required level.

Features

The device contains an internal switching regulator and controller, inductors with low output ripple, integrated current limit and thermal regulation over-temperature shut-down functionality. The device also features a spread spectrum operation for EMI reduction. The TPS62060DSGR is compatible with both 2.4V and 3.3V input voltages and can output up to 3A of continuous current.

Application Field

The TPS62060DSGR is well suited for regulating DC power supplies in a wide variety of applications from industrial to automotive and consumer electronics. The high efficiency and versatile output range makes it suitable for applications such a battery-charging, voltage conversion, or as a post-regulator for switching power supplies. It can also be used as a DC-DC converter for on-board DC-DC conversion.

Working Principle

The TPS62060DSGR utilizes synchronous buck-boost switching regulator technology. Buck-boost circuits are known for their ability to handle both step-up and step-down DC-DC conversion. The device also has integrated buck and boost controllers with a low number of external components. The switching regulator works by regulating an output voltage to the required level. The power switch is controlled by the integrated controllers along with an adjustable current limit. The TPS62060DSGR also features an integrated soft start.The buck mode of the TPS62060DSGR works by connecting an input voltage to the buck switch. When this switch is turned on, the current flows through the inductor and generates a voltage across its leads. The inductor then acts as a low-pass filter, allowing a steady output voltage to be generated. The current through the inductor is limited by the adjustable current limit set by the user.The boost mode works by reversing the flow of current. A voltage is applied to the boost switch and when it is turned on, the current is pushed out of the switch and through the external inductor. The inductor stores energy and delivers it to the output when the switch is turned off. The boost mode allows for higher voltage outputs than the input voltage.

Conclusion

The TPS62060DSGR is a highly integrated and efficient DC-DC switching regulator for applications needing both step-up and step-down conversion capabilities. Its integrated buck and boost controllers make it easy to use with a low number of external components. Its spread spectrum operation helps reduce EMI, making it suitable for noise sensitive applications. Finally, its versatile output range and wide operating input voltage range make it suitable for a variety of applications.

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