TPS53681RSBR

Series:	D-CAP+™
Packaging:	Tape & Reel (TR)
Part Status:	Active
Output Type:	PWM Signal
Function:	Step-Down
Output Configuration:	Positive
Topology:	Buck
Number of Outputs:	2
Output Phases:	8
Voltage - Supply (Vcc/Vdd):	4.5 V ~ 17 V
Frequency - Switching:	300kHz ~ 1MHz
Duty Cycle (Max):	--
Synchronous Rectifier:	No
Clock Sync:	No
Serial Interfaces:	PMBus
Control Features:	Current Limit, Enable
Operating Temperature:	-40°C ~ 125°C (TJ)
Package / Case:	40-WFQFN Exposed Pad
Supplier Device Package:	40-WQFN (5x5)

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TPS53681RSBR Application Field and Working Principle

Introduction

TPS53681RSBR (TPS53681RSBR), a voltage regulator and DC-DC switching system controller manufactured by Texas Instruments, is widely used in various design industries to meet the requirements of various applications and ensuring the highest power thoughput and efficiency. From regulating 12V rails, to providing clean and precise voltage, the TPS53681RSBR has been widely beneficial to many of today\'s engineering applications and has been a popular choice for device designers. This article will provide an overview of the TPS53681RSBR’s application field and working principle.

Application Field

The TPS53681RSBR is optimized for advanced DC-DC converters, providing high and stable voltage outputs, minimizing power losses during the conversion process. It is particularly useful for applications that need to output low voltage, and is often used in the design and development of semiconductor chips, computer systems, and communication infrastructure.The TPS53681RSBR is especially adept at providing power delivery solutions, where it can be used to efficiently monitor power levels and thermals, ensuring that clients receive the required energy. Besides, as it is both flexible and efficient, the TPS53681RSBR can provide much better dynamic performance in comparison to other devices, making it perfect for applications in automotive and industrial systems.

Working Principle

The TPS53681RSBR consists of a system controller, a power driver, and an integrated error amplifier. When the input voltage drops, the system controller will detect the voltage difference, generate an output voltage, and send a signal to the power driver to increase the output voltage. This will continue until the output voltage is stabilised.The integrated error amplifier on the chip works by continually comparing the voltage at its output with a reference voltage set by the device designer. If the voltage at the output is not equal to the reference voltage, the error amplifier will increase the pulse-width of the output switching in order to effectively regulate the output tension to the expected level. The TPS53681RSBR also has a power stage control circuitry which adjusts the output drive depending on the load current, optimizing energy consumption and power load throughput.

Conclusion

The TPS53681RSBR is a powerful voltage regulator and DC-DC switching system controller. Not only is it highly efficient and capable of providing precise voltage outputs, but it also has many features that make it perfect for use in a wide range of applications, from automotive to industrial systems. This article has provided an overview of the TPS53681RSBR’s application field and its working principle.

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