TPS54315PWPR

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TPS54315PWPR

IC REG BUCK 2.5V 3A 20HTSSOP

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Specifications

Series SWIFT™
Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Fixed
Number of Outputs 1
Voltage - Input (Min) 3V
Voltage - Input (Max) 6V
Voltage - Output (Min/Fixed) 2.5V
Current - Output 3A
Frequency - Switching 350kHz, 550kHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 20-PowerTSSOP (0.173", 4.40mm Width)
Supplier Device Package 20-HTSSOP
Base Product Number TPS54315

Overview

Description

The TPS54315PWPR is a high-performance step-down (buck) voltage regulator from Texas Instruments, designed to provide a stable output voltage with high efficiency. It features a wide input voltage range of 4.5V to 17V and delivers a maximum output current of 3A. The device operates with an adjustable output voltage, typically set between 0.8V and 5.5V, making it versatile for various applications.
Key features include integrated switches, a fixed frequency PWM control scheme, and an adjustable soft-start function to minimize inrush current. It also incorporates protection features such as overcurrent protection and thermal shutdown to ensure reliability. The TPS54315 is suitable for use in point-of-load applications, powering microcontrollers, FPGAs, and other digital circuits.
The device's compact package (HTQFP-32) allows for efficient PCB layout, and its high efficiency reduces thermal dissipation, making it ideal for battery-powered and space-constrained designs. Overall, the TPS54315PWPR is a robust solution for designers seeking reliable power management in their electronic systems.

Features

The TPS54315PWPR is a high-performance step-down voltage regulator designed for various applications. Key features include:
1. Input Voltage Range: Operates from 4.5V to 17V, accommodating a wide range of input supplies.
2. Output Current: Capable of delivering up to 3A continuous output current.
3. Adjustable Output Voltage: Offers a programmable output voltage down to 0.8V, providing flexibility for different applications.
4. High Efficiency: Achieves efficiencies up to 95%, minimizing power loss and heat dissipation.
5. Built-in Compensation: Integrated control loop compensation simplifies design and reduces external components.
6. Thermal Protection: Features thermal shutdown to prevent overheating during operation.
7. Soft Start: Includes a soft-start function to limit inrush current and smooth output voltage ramp-up.
8. Frequency Adjustment: Offers an adjustable switching frequency from 200kHz to 1.5MHz, allowing optimization for size or efficiency.
These features make the TPS54315PWPR suitable for applications in automotive, industrial, and consumer electronics.

Package

The TPS54315PWPR is packaged in a 20-pin TSSOP (Thin Shrink Small Outline Package) format. This package type is designed for efficient thermal management and space-saving on printed circuit boards.

Pinout

The TPS54315PWPR is a step-down (buck) DC-DC converter from Texas Instruments. It features a total of 28 pins. The key functions of these pins include:
1. VIN (Pin 1) - Input supply voltage.
2. SW (Pin 2) - Switch node connection.
3. GND (Pin 3) - Ground reference.
4. VOUT (Pin 4) - Output voltage.
5. COMP (Pin 5) - Compensation network connection for loop stability.
6. CSN and CSP (Pins 6, 7) - Current sense inputs for overcurrent protection.
7. RT (Pin 8) - Timing resistor for frequency setting.
8. SS (Pin 9) - Soft-start capacitor connection.
9. FB (Pin 10) - Feedback voltage input for regulating output voltage.
10. EN (Pin 11) - Enable pin for controlling the device operation.
The remaining pins support various functions including protection, synchronization, and additional control features. The device operates with a wide input voltage range and provides adjustable output voltage.

Manufacturer

The TPS54315PWPR is manufactured by Texas Instruments (TI), a leading global semiconductor company headquartered in Dallas, Texas. Texas Instruments specializes in designing and producing a wide range of semiconductor devices and integrated circuits, focusing on analog, digital signal processing, and embedded processing technologies. The company serves various markets, including automotive, industrial, communications, and consumer electronics, providing solutions for power management, data conversion, and embedded processing applications. TI is known for its innovation and commitment to quality, making it one of the most reputable names in the semiconductor industry.

Application

The TPS54315PWPR is a high-performance step-down voltage regulator suitable for various applications, including DC-DC converters in consumer electronics, industrial equipment, telecommunications, and automotive systems. It is ideal for powering microcontrollers, FPGAs, and sensors, as well as other low-voltage applications requiring efficient power management and regulation.

Equivalent

The TPS54315PWPR is a step-down (buck) DC-DC converter. Equivalent products include the LM2596, LM2675, and LTC3625. Other alternatives are the MIC29302 and the MP1584. When selecting an equivalent, ensure compatibility with your specific voltage, current requirements, and features.

Shipping

Shipping MethodsWe

offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.


Shipping Fee Reference (DHL/FedEx):

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.

Payments

Payment Methods

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