TPS544B20RVFR

Voltage - Output (Min/Fixed):	0.6V
Base Part Number:	TPS544B20
Supplier Device Package:	40-LQFN-CLIP (7x5)
Package / Case:	40-PowerLFQFN
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	Selectable
Current - Output:	20A
Voltage - Output (Max):	5.5V
Series:	SWIFT™, D-CAP™, D-CAP2™
Voltage - Input (Max):	18V
Voltage - Input (Min):	4.5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TPS544B20RVFR Application Field and Working Principle

TPS544B20RVFR is a type of PMIC (Power Management IC): Voltage Regulators: DC DC Switching Regulators. It is a dual-phase synchronous controller for providing low cost and high efficiency voltage conversion designs. With a wide VIN range of 4.5V to 28V, the device is capable of driving up to 1.2A load at up to 20V out. This offers a wide range of capabilities, suitable for many different applications.Apart from its wide operating range, TPS544B20RVFR also has many features outside of its scope of application. It has selectable operating frequencies, thermal & current monitoring, external voltage programming, and many more. This makes it suitable for applications in systems ranging from simple to complex designs.The TPS544B20RVFR also offers a high level of flexibility, allowing users to easily customize the device to their needs. It provides selectable discharge options, allowing users to select the best options to maximize efficiency and minimize design space. It also allows easy tuning of critical operating parameters like phase delay, output voltage, ramping levels, and phase loss threshold.As for its working principle, the TPS544B20RVFR uses a high-frequency, pulse-width modulation (PWM) technique to achieve voltage regulation and monitor current. This method uses energy switching techniques that allow rapid volume and frequency transitions to achieve fast and consistent regulation.The controller includes both a pulse-down and pulse-up circuit. The pulse-down circuit senses the input voltage for each phase and then shuts down until the voltage drops to a set point. The controller then increases the pulse width until the correct output voltage is reached. The pulse-up circuit behaves similarly and increases the output voltage to the desired level once the input voltage has dropped to a predetermined level.In addition to its PWM technology, the device employs current monitoring to guarantee safe operation. This feature can detect changes in current levels, and then shut down the device if needed to protect against damage.The TPS544B20RVFR is ideal for applications that require efficient, flexible and cost-effective voltage conversion. With its wide VIN range, selectable frequency, and current monitoring capabilities, it is suitable for many different applications. Furthermore, with its advanced PWM technology, the device is capable of quickly and accurately delivering the precise output voltage, ensuring consistent results and maximum efficiency.

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