TPS53314RGFT

Voltage - Output (Min/Fixed):	0.6V
Base Part Number:	TPS53314
Supplier Device Package:	40-VQFN-EP (5x7)
Package / Case:	40-VFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	250kHz ~ 1MHz
Current - Output:	6A
Voltage - Output (Max):	5.5V
Series:	D-CAP™, Eco-Mode™
Voltage - Input (Max):	15V
Voltage - Input (Min):	3V
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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TPS53314RGFT Application Field and Working Principle

Introduction

The Texas Instruments TPS53314RGFT is a high-performance, non-synchronous buck controller which integrates the buck and synchronization control logic, with full protection coverage, overvoltage protection (OVP), undervoltage protection (UVP), output overcurrent protection (OCP) and channel thermal shutdown (TSD). The device supports PMBus and I2C communications and is optimized for use in space-constrained applications, such as those in mobile applications.

Features and Advantages of TPS53314RGFT

The TPS53314RGFT offers the following key features that make it suitable for use in various applications. • Output voltage precision - TPS53314RGFT is an integrated chip that can be used to generate outputs with a minimum voltage difference, thanks to its high precision voltage regulation.• Low noise operation - TPS53314RGFT is designed to be a low-noise, low-output-ripple, high-current regulator device that helps in minimizing external inductors and minimizing power losses.• High EMI performance - By minimizing the amount of noise emitted, the TPS53314RGFT helps reduce electromagnetic interference for increased data integrity and enhanced system reliability.• Interchangeable synchronous and non-synchronous topologies - TPS53314RGFT includes logic to work with both synchronous and non-synchronous buck mode architectures, and can also be used with dual-phase outputs.

Application Fields of TPS53314RGFT

The TPS53314RGFT is highly suitable for a variety of different applications, such as in mobile phones, portable appliances, embedded control systems and other industrial control systems, etc.• Mobile phones - TPS53314RGFT provides a highly reliable power source for mobile phones, preventing sudden power failures and helping to improve the device\'s overall battery life.• Portable appliances - Many portable appliances, such as flashlights, handheld games and video cameras, rely on high-current, low-voltage output for reliable operation. TPS53314RGFT is the perfect power source for these types of devices, providing fast and reliable power delivery.• Embedded control systems - TPS53314RGFT is well suited for embedded control systems, providing a continuous supply of power with reliable performance and quick response time.• Industrial control systems - TPS53314RGFT can also be used in industrial systems, providing high-quality and reliable power for consistent operation in these highly demanding environments.

Working Principle of TPS53314RGFT

The TPS53314RGFT is an efficient, non-synchronous buck controller that operates using a synchronous MOSFET switching scheme. The device includes an internal oscillator for frequency setting, as well as a low-side current limit or high-side current limit for current regulation. In addition, it features peak current/voltage/temperature sensing, as well as overvoltage, undervoltage, thermal shutdown and output overcurrent protection. The device operates by regulating the load current and the output voltage, enabling it to maintain accurate voltage control and current limit even when the load demand changes. The two modes of operation are pulse frequency modulation mode (PFM) and pulse width modulation mode (PWM). In PWM mode, the controller constantly switches the MOSFET on and off such that the output voltage is maintained as per the desired set point. In PFM mode, the controller switches the MOSFET off after a certain period of time, and remains in that state until the output voltage falls below the minimum operating voltage. The device then switches the MOSFET back on and resumes normal operation. The TPS53314RGFT also features programmable soft start and a dead time control for improved noise performance, making it highly suitable for use in a variety of applications.

Conclusion

In conclusion, the TPS53314RGFT from Texas Instruments is a high-performance and efficient non-synchronous buck controller designed for use in space-constrained applications, including those in mobile phones, portable appliances, embedded control systems and industrial control systems. The device offers a wide range of features, including outputs of high precision voltage regulation and low noise operation, as well as programmable soft start and a dead-time control for improved noise performance and safety.

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