TPS62093RGTR

Voltage - Output (Min/Fixed):	1.8V
Base Part Number:	TPS62093
Supplier Device Package:	16-QFN (3x3)
Package / Case:	16-VFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	2.8MHz
Current - Output:	3A
Voltage - Output (Max):	--
Series:	DCS-Control™
Voltage - Input (Max):	6V
Voltage - Input (Min):	2.5V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TPS62093RGTR Application Field and Working Principle

The TPS62093RGTR is a DC-DC step up switching regulator with an integrated high side switch and low side switch. It is designed to convert an input voltage ranging from 3V to 4.5V into an output voltage ranging from 2.5V to 5.5V. This device offers a high efficiency, fast transient response, and small size for a wide variety of applications ranging from low power portable systems to large industrial systems. It is suitable for LED lighting, DC-DC power supply, and USB-C power delivery applications.

Application

The TPS62093RGTR is suitable for a wide range of applications including LED lighting, DC-DC power supplies, and USB-C power delivery. With its fast transient response and high efficiency up to 90%, the device is suitable for low power portable systems, such as cell phones and tablets, as well as industrial and consumer power supplies. The wide input voltage range makes it suitable for applications powered by batteries or different types of power sources. Its wide output voltage range allows it to be used as a step-up or step-down converter.

Structure Overview

The TPS62093RGTR is a monolithic integrated circuit package with an on-chip MOSFET switch and sense FET driver. The high side and low side MOSFETs are connected to the control logic, which controls the switching of the MOSFETs. The device has an on-chip inductor, which allows for a small footprint, as well as a low shutdown current. It also contains two separate enable pins for both the low side and high side switches, allowing for greater control over the device.

Working Principle

The TPS62093RGTR works by using a pulse width modulation (PWM) control scheme. A PWM signal is generated by the internal oscillator and provides the timing for the switching of the high side and low side MOSFETs. When the high side MOSFET is on, the inductor stores energy in the form of a magnetic field. When the MOSFET is off, the inductor releases the stored energy, charging the output capacitor. The amount of energy released is proportional to the duty cycle of the PWM signal. The output voltage is regulated by an internal voltage divider connected to an external resistor network. The output voltage is proportional to the ratio of the voltage divider resistors. As the input voltage or load increases, the output voltage can be adjusted by reducing the resistance of the voltage divider resistors.

Conclusion

The TPS62093RGTR is a high efficiency, fast transient response DC-DC step up switching regulator. It is suitable for a wide variety of applications such as LED lighting, DC-DC power supplies, and USB-C power delivery. With its wide input voltage range and small size, it can be used in a variety of portable systems such as cell phones and tablets as well as larger industrial systems. It operates by using an on-chip PWM controller and an on-chip inductor, allowing for a low shutdown current. The output voltage can be regulated by adjusting the resistance of the external voltage divider resistors.

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