• TPS54291PWPR HTSSOP (PWP)-16
TPS54291PWPR HTSSOP (PWP)-16

TPS54291PWPR

Switching Voltage Regulators 4.5-18V Dual Sync Step Down Converter

Inventory:7,134

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Overview of TPS54291PWPR

The TPS54291PWPR is a synchronous step-down DC-DC converter IC designed for high efficiency power conversion applications. This IC features a wide input voltage range and high output current capability, making it suitable for a variety of power supply designs.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VIN: Input voltage
  • SW: Switch node for inductor connection
  • EN: Enable pin
  • PGND: Power ground
  • SS/TR: Soft start/tracking pin
  • FB: Feedback voltage input
  • VOUT: Output voltage

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the TPS54291PWPR IC for a visual representation.

Key Features

  • Synchronous Step-Down Converter: Provides high efficiency power conversion through synchronous rectification.
  • Wide Input Voltage Range: Operates effectively within a wide input voltage range, accommodating various power supply sources.
  • High Output Current: Capable of delivering high output currents for demanding applications.
  • Programmable Soft Start: Allows for controlled startup and output voltage tracking.
  • Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout for reliable operation.

Note: For detailed technical specifications, please refer to the TPS54291PWPR datasheet.

Application

  • Power Supply Designs: Ideal for designing efficient power supplies for electronics, industrial equipment, and other applications.
  • Battery-Powered Devices: Suitable for powering battery-operated devices with its high efficiency and wide input range.
  • LED Driver Circuits: Can be used in LED driver circuits for efficient power management and control.

Functionality

The TPS54291PWPR is a versatile DC-DC converter IC that delivers high efficiency power conversion with advanced protection features. It is designed to meet the requirements of various power supply applications.

Usage Guide

  • Input Voltage: Connect VIN (Pin 1) to the input voltage source within the specified range.
  • Output Voltage: Adjust the output voltage using the feedback (FB) pin to meet the application requirements.
  • Enable Control: Use the EN pin (Pin 3) to enable or disable the converter as needed.

Frequently Asked Questions

Q: What is the efficiency of the TPS54291PWPR?
A: The TPS54291PWPR offers high efficiency levels, typically above 90% under nominal operating conditions.

Q: Can the TPS54291PWPR handle voltage spikes in the input supply?
A: Yes, the TPS54291PWPR includes input voltage protection features to handle voltage spikes and ensure stable operation.

Equivalent

For similar functionalities, consider these alternatives to the TPS54291PWPR:

  • LM2675: A synchronous buck converter IC offering similar efficiency and input voltage range capabilities.
  • MP2307: This is a high-current synchronous step-down converter IC with comparable features to the TPS54291PWPR.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Vin (min) (V) 4.5 Vin (max) (V) 18
Vout (min) (V) 0.8 Vout (max) (V) 15.3
Iout (max) (A) 2.5 Iq (typ) (mA) 1.8
Switching frequency (min) (kHz) 600 Switching frequency (max) (kHz) 600
Features Enable, Phase Interleaving, Synchronous Rectification Operating temperature range (°C) -40 to 145
Rating Catalog Regulated outputs (#) 2
Control mode current mode Duty cycle (max) (%) 85
Type Converter

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TPS54291PWPR

Switching Voltage Regulators 4.5-18V Dual Sync Step Down Converter

Inventory:

7,134