TPS62143RGTT

Voltage - Output (Min/Fixed):	5V
Base Part Number:	TPS62143
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:	2.5MHz
Current - Output:	2A
Voltage - Output (Max):	--
Series:	DCS-Control™
Voltage - Input (Max):	17V
Voltage - Input (Min):	3V
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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TPS62143RGTT Application Field and Working Principle

The TPS62143RGTT is a wide input range, high efficiency, asynchronous step-down DC/DC regulator. It is part of Texas Instruments\' Power Management IC (PMIC) portfolio, a Voltage Regulator, and a DC/DC Switching Regulator. It is specifically designed to manage power distribution in products powered by industrial and automotive 12V, 24V, 36V, and 48V battery sources.

Features Summary

The TPS62143RGTT is a fully integrated switching regulator that operates as a step-down regulator and as a synchro-buck, buck-boost and/or USB-PD regulator. It operates over an input voltage range from 5V to 60V with an adjustable output voltage and output current up to 6A. It offers excellent thermal performance with an over-temperature built-in shutdown circuit to limit output current and protect from thermal overload. The device has an adjustable soft-start time, which can be set to reduce inrush currents into sensitive load applications. It also supports over-voltage, under-voltage, and over-temperature protection functions.

Applications

The TPS62143RGTT is designed to be used in a wide range of applications that require power conversion from a 12V to 48V battery source. It is particularly suitable for industrial and automotive end products, where the input voltage can range from 12V to 48V and the output voltage is adjustable up to 6A. The adjustable output voltage and output current capabilities of this device make it suitable for powering a variety of applications, such as automotive and industrial lighting, medical equipment, surveillance camera systems, and other industrial and automotive applications.

Working Principle

The TPS62143RGTT utilizes a synchronous buck-boost topology to convert input voltages between 5V and 60V to a regulated output voltage between 5V and 24V. It operates with a switching frequency of up to 100kHz, which allows for the designers to adjust the output voltage by controlling the switching frequency using a digital interface. The device utilizes an inductor in series to create a perturbation on the input voltage, and it uses an integrated synchronous rectifier with a low-side MOSFET switch for output current regulation. This also ensures that the device operates within the acceptable range of efficiency and power.The output voltage is regulated by a built-in voltage loop with external sense pins, which allows the user to adjust the output voltage by setting the appropriate sense voltage. The loop is regulated by the internal high-side MOSFET switch, which will go on and off depending on the input voltage and current. The device is further protected by under-voltage, over-voltage, and over-temperature shutdown circuits, as well as frequency jittering that prevents operation in continuous conduction mode. The integrated feedback loop also provides a tight voltage ripple control.In summary, the TPS62143RGTT is a highly efficient, wide input range, asynchronous step-down DC/DC regulator that is ideal for industrial and automotive applications. Its ability to support a wide input voltage range, adjustable output voltage, and output current capabilities make it an ideal choice for powering various electronic devices. Its buck-boost topology, power saving features, and integrated protection functions ensure safe operation for any application.

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