TPS542941PWPR

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TPS542941PWPR

IC REG BCK ADJ 2A/3A DL 16HTSSOP

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規格

Series D-CAP2™, Eco-Mode™
Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 2
Voltage - Input (Min) 4.5V
Voltage - Input (Max) 18V
Voltage - Output (Min/Fixed) 0.76V
Voltage - Output (Max) 7V
Current - Output 2A, 3A
Frequency - Switching 700kHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 16-PowerTSSOP (0.173", 4.40mm Width)
Supplier Device Package 16-HTSSOP
Base Product Number TPS542941

概述

Description

The TPS542941PWPR is a high-efficiency, step-down DC-DC converter designed by Texas Instruments. It features an integrated power switch and can deliver up to 4A output current with a wide input voltage range of 4.5V to 17V. This device is optimized for low output voltage applications, making it suitable for powering processors, FPGAs, and other digital devices.
Key features include adjustable output voltage, efficiency up to 95%, and a built-in frequency compensation, which simplifies the design process. The TPS542941 also supports various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring robust operation.
It operates in both PWM and DCM modes, providing flexibility for various load conditions. The device comes in a compact PowerPAD™ package, facilitating easy thermal management and PCB layout. Overall, the TPS542941PWPR is an efficient solution for modern power management needs in consumer and industrial applications.

Features

The TPS542941PWPR is a high-efficiency, synchronous step-down (buck) DC-DC converter from Texas Instruments. Key features include:
1. Output Current: Supports up to 4A continuous output current.
2. Input Voltage Range: Accepts input voltages from 4.5V to 17V.
3. Adjustable Output Voltage: Output voltage can be set from 0.8V to 5.5V, allowing flexibility for various applications.
4. High Efficiency: Achieves efficiencies up to 95%, minimizing power loss and heat generation.
5. Integrated FETs: Incorporates internal high-side and low-side FETs, which simplifies the design and reduces component count.
6. Switching Frequency: Operates at a fixed frequency of 300 kHz, allowing for easy filtering and layout.
7. Protection Features: Includes features like overcurrent protection, thermal shutdown, and input undervoltage lockout (UVLO).
8. Small Package: Offered in a 20-pin HTQFP package, facilitating space-efficient designs.
This device is suitable for a variety of applications including power supplies for processors, FPGAs, and other digital circuits.

Package

The TPS542941PWPR is packaged in a 20-pin HTQFN (Thin Quad Flat No-lead) package type. This compact package is designed for efficient thermal performance and space-saving applications in power management solutions.

Pinout

The TPS542941PWPR is a synchronous step-down (buck) regulator from Texas Instruments. It has a pin count of 24.
Key functions of its pins include:
- VIN: Input voltage.
- GND: Ground connection.
- SW: Switch node for the inductor connection.
- VOUT: Output voltage.
- COMP: Compensation network connection for stability.
- CSN/ CSP: Current sense negative/positive inputs for overcurrent protection.
- EN: Enable pin to turn the device on/off.
- FB: Feedback voltage for regulation.
- SS/ISEN: Soft-start input and current sensing.
- PGOOD: Power good indicator for output voltage status.
- TR/SS: Soft-start timing capacitor connection.
- DNP: Do not populate pins for specific configurations.
This IC is designed for high-efficiency power management in various applications.

Manufacturer

The TPS542941PWPR is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments specializes in the design and production of analog and embedded processing chips. Founded in 1930, TI is known for its innovations in various sectors, including automotive, industrial, communications, and consumer electronics. The company focuses on providing high-performance solutions that enhance the efficiency and functionality of electronic systems. With a strong commitment to research and development, Texas Instruments plays a significant role in advancing technology across multiple applications.

Application

The TPS542941PWPR is a versatile DC-DC step-down voltage regulator primarily used in power management applications for automotive, industrial, and consumer electronics. It is suitable for powering sensors, microcontrollers, and FPGAs, as well as in battery-powered devices and embedded systems where efficiency and compact design are important. Its features include wide input voltage range, high output current, and adjustable output voltage, making it ideal for various applications requiring reliable power conversion.

Equivalent

The TPS542941PWPR is a 5A step-down (buck) regulator. Equivalent products include the LM2596, LM2675, and TPS54331. These alternatives provide similar voltage regulation and current capabilities, but specifications such as output voltage range, efficiency, and package type may vary. Always check the datasheets for detailed comparisons to ensure compatibility with your application.

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