TPS54320RHLR

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TPS54320RHLR

IC REG BUCK ADJUSTABLE 3A 14VQFN

  • Manufacturer
  • Mfr. Part #TPS54320RHLR
  • Package VQFN-14
  • Datasheet
  • In Stock2055

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Specifications

Package Tape & Reel (TR),Cut Tape (CT)
Series SWIFT™
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 4.5V
Voltage-Input(Max) 17V
Voltage-Output(Min/Fixed) 0.8V
Voltage-Output(Max) 15V
Current-Output 3A
Frequency-Switching 200kHz ~ 1.2MHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case 14-VFQFN Exposed Pad

Overview

Description

The TPS54320RHLR is a synchronous buck converter from Texas Instruments, designed for step-down voltage regulation. It is part of the SWIFT™ family of DC-DC converters, offering high-efficiency power conversion for a wide range of applications. The device operates over an input voltage range of 4.5V to 17V and can deliver up to 3A of continuous output current.
Key features include a voltage reference accuracy of 1%, an adjustable output voltage down to 0.8V, and a switching frequency that can be set between 200 kHz and 1.6 MHz. The TPS54320RHLR integrates both high-side and low-side MOSFETs, minimizing the need for external components and reducing board space.
Additional features include internal soft start, overcurrent protection, and thermal shutdown for enhanced reliability. It comes in a small 3.5 mm × 3.5 mm QFN package, making it suitable for compact applications. This converter is ideal for use in telecommunications, networking, and various consumer electronics where efficient power management is crucial.

Features

The TPS54320RHLR is a high-performance step-down switch mode power supply (SMPS) converter from Texas Instruments. Key features include:
1. Input Voltage Range: It supports a wide input voltage range from 4.5V to 17V, making it suitable for various applications.
2. Output Current: The device can deliver up to 3A of continuous output current, suitable for powering a wide range of loads.
3. Efficiency: High efficiency is achieved through its synchronous rectification feature, minimizing power loss and heat generation.
4. Switching Frequency: It offers adjustable switching frequency from 200 kHz to 1.6 MHz, allowing optimization for size, efficiency, and performance.
5. Protection Features: Integrated protection mechanisms include overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring reliability and safety.
6. Compensation: The TPS54320RHLR features an externally compensated voltage-mode control, providing flexibility in output performance and transient response.
7. Package: It is available in a thermally enhanced 14-pin VQFN package, which aids in heat dissipation.
8. Soft Start: The device includes a programmable soft start feature to control the inrush current at startup.
These features make the TPS54320RHLR an ideal choice for applications requiring efficient, reliable, and scalable power conversion.

Package

The TPS54320RHLR is a step-down converter integrated circuit that comes in a VQFN (Very Thin Quad Flat No-Lead) package with 18 pins. The specific package dimensions are 3.5 mm x 3.5 mm, making it suitable for compact designs requiring efficient power management solutions.

Pinout

The TPS54320RHLR is a 14-pin device from Texas Instruments. It is a high-efficiency synchronous step-down DC-DC converter, which is designed to provide a highly integrated solution for a wide variety of applications, including consumer electronics, industrial power systems, and distributed power architectures.
Here is a brief overview of its pin functions:
1. VIN: Input voltage supply.
2. EN: Enable pin to turn the device on or off.
3. SS/TR: Soft-start or tracking input.
4. RT/CLK: Sets switching frequency or serves as a clock input.
5. FB: Feedback input for output voltage regulation.
6. COMP: Compensation pin for stabilizing the control loop.
7. PWRGD: Power good indicator.
8. BOOT: Bootstrap capacitor connection for high-side gate driver.
9. PH: Phase node, connected to the inductor.
10. AGND: Analog ground.
11. PGND: Power ground for the switching MOSFET.
12. VREG5: 5V internal regulator output, used to power the gate drive circuit.
13. VFB: Voltage feedback, connected to the output voltage.
14. NC: No connection or reserved.
The TPS54320RHLR provides an efficient power management solution with a wide input range and multiple features for system flexibility and reliability.

Manufacturer

The TPS54320RHLR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company. It is well-known for developing analog chips and embedded processors, which are used in a wide array of electronic devices. The company operates in sectors such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI is recognized for its role in providing innovative products that help in energy efficiency, precise measurement, and reliable performance across various applications.

Application

The TPS54320RHLR is a step-down DC-DC converter commonly used in applications requiring efficient power management. Key application areas include telecommunications, networking equipment, industrial power systems, consumer electronics, and automotive systems. Its capabilities make it suitable for powering microprocessors, FPGAs, DSPs, and other digital ICs where stable and precise voltage is crucial. Additionally, it's used in applications requiring high power density and efficiency, such as point-of-load regulation for distributed power systems.

Equivalent

The TPS54320RHLR is a DC-DC buck converter from Texas Instruments. Equivalent products from other manufacturers may include:
1. LM43603 from Texas Instruments
2. LT8609 from Analog Devices
3. MP2345 from Monolithic Power Systems
4. SY8089 from Silergy
These equivalents have similar input voltage ranges, output capabilities, and efficiencies, but it's important to review the datasheets to ensure compatibility with specific application requirements.

Shipping

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DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

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