TPS62147RGXR

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

TPS62147RGXR is a synchronous high-efficiency step-down DC-DC converter with embedded multiple output voltage controllers. It offers a wide 4.5 V to 24 V input voltage range, low quiescent current, and up to 95% efficiency. The output voltage range from 0.6V to 5.5V can be easily configured and it also offers an adjustable soft-start feature for inrush current reduction during start-up. It is designed for use in high efficiency synchronous buck converters and commercial DC-DC point of load power supply systems.

This DC-DC switching regulator can operate in either pulse width modulation (PWM) or pulse frequency modulation (PFM) modes for maximum efficiency over different load currents. It is available in a small package and offers a high integration level with all the necessary components on board. With its wide operating temperature range, excellent performance and features, this converter is ideal for applications where high efficiency and fast transient response are required.

Application Field

TPS62147RGXR is an ideal choice for high efficiency, power-sensitive applications such as cellular phones, mobile computers, data centers, communication and networking systems, test and measurement equipment, factory automation systems, battery powered health monitoring products and automotive systems. Its high integration level helps reduce the solution size and overall BOM cost, making the converter extremely easy to design-in and enabling design teams to build innovative systems for a wide range of applications.

Working Principle

This DC-DC switching regulator has a wide input voltage range from 4.5 V to 24 V and a single output voltage range from 0.6 V to 5.5 V. It uses a switching frequency of 1 MHz and works in either PWM or PFM operation mode depending on the load current. When the load current is higher than the set threshold, the device operates in PWM mode. In this mode, an error amplifier and an internal reference voltage set the output voltage and the current is controlled using a high-side and low-side P-channel MOSFETs. When the output current is less than the threshold, the device operates in PFM mode. In this mode, it enters a Pulse Frequency Dropping (PFD) mode of operation. This PFD mode of operation enables the converter to provide high efficiency at light load currents while maintaining a low output ripple with accurate output voltage regulation.

The converter also features a power save mode (PSM) which is enabled when the output voltage drops below the valley voltage. This feature helps the device to reduce power consumption at light load and further improve efficiency. The converter also provides a fast transient response and an adjustable soft-start to reduce the inrush current. The device is available in an SOT-23-6 and WLCSP-6L 2 by 3 mm package.

Conclusion

TPS62147RGXR is a high-efficiency synchronous step-down DC-DC converter from Texas Instruments which offers a wide input voltage range from 4.5V to 24V, adjustable output voltage range from 0.6V to 5.5V, high integration level and high efficiency. It is suitable for applications where high efficiency and fast transient response are required such as cellular phones, mobile computers, data centers, communication and networking systems and more. For maximum efficiency, the device works in either PWM or PFM modes depending on the load current.

The specific data is subject to PDF, and the above content is for reference