• TPS543C20RVFR LFQFN-40
TPS543C20RVFR LFQFN-40

TPS543C20RVFR

Synchronous SWIFT™

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Overview of TPS543C20RVFR

The TPS543C20RVFR is a synchronous buck converter IC designed for high-efficiency power supply applications. This IC features a wide input voltage range and adjustable output voltage, making it suitable for various power management needs.

Pinout

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

  • VIN: Input voltage
  • GND: Ground connection
  • PGND: Power ground
  • SW: Switching node connection
  • FB: Feedback pin for output voltage regulation
  • EN: Enable pin for controlling the converter
  • CLK: Clock synchronization pin
  • SS/TR: Soft-start/tracking pin
  • COMP: Compensation pin
  • POR: Power-on reset pin
  • VOUT: Output voltage
  • SYNC: Synchronization input
  • RT/CT: Timing components connection
  • SS/TR: Soft-start/tracking pin
  • ILIM: Current limit set pin

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the TPS543C20RVFR IC for a visual representation.

Key Features

  • Synchronous Buck Converter: Efficient power conversion for various applications.
  • Wide Input Voltage Range: Operates with a broad input voltage range for flexibility.
  • Adjustable Output Voltage: Output voltage can be adjusted as needed for different loads.
  • Power Good Indicator: PG indicator for monitoring the output voltage status.
  • Enable Control: Ability to enable or disable the converter for power management.
  • Soft-Start Function: Supports soft-start for controlled voltage ramp-up.

Note: For detailed technical specifications, please refer to the TPS543C20RVFR datasheet.

Application

  • Power Supply Modules: Ideal for use in power supply modules and voltage regulation circuits.
  • Embedded Systems: Suitable for powering various embedded systems and microcontroller applications.
  • Battery-Powered Devices: Used in devices requiring efficient power conversion from battery sources.

Functionality

The TPS543C20RVFR is a high-efficiency synchronous buck converter IC that provides reliable power conversion with adjustable output voltage. It is designed to meet the power supply needs of a wide range of applications.

Usage Guide

  • Input Power: Connect VIN (Pin 1) to the input voltage source.
  • Output Voltage: Adjust the output voltage using the FB pin (Pin 5) according to your application requirements.
  • Enable Control: Use the EN pin (Pin 6) to control the operation of the converter.

Frequently Asked Questions

Q: What is the efficiency of the TPS543C20RVFR?
A: The TPS543C20RVFR offers high efficiency levels, typically above 90%, making it suitable for energy-efficient designs.

Q: Can the TPS543C20RVFR handle wide temperature ranges?
A: Yes, the TPS543C20RVFR is designed to operate effectively across a wide temperature range, ensuring reliable performance in various environments.

Equivalent

For similar functionalities, consider these alternatives to the TPS543C20RVFR:

  • LM22678: A synchronous buck converter IC from Texas Instruments with comparable features and performance.
  • MP24883: This buck converter IC offers efficiency and reliability similar to the TPS543C20RVFR for power supply applications.

TPS543C20RVFR

Specifications

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

Product Category Switching Voltage Regulators RoHS Details
REACH Details Output Voltage 600 mV to 5.5 V
Output Current 40 A Input Voltage, Max 16 V
Number of Outputs 1 Output Topology Buck
Package / Case LQFN-40 Mounting Style SMD/SMT
Switching Frequency 300 kHz to 2 MHz Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 125 C Series TPS543C20
Input Voltage, Min 4 V Brand Texas Instruments
Input Voltage 4 V to 16 V Moisture Sensitive Yes
Operating Supply Current 4.3 mA Product Type Switching Voltage Regulators
Shutdown Shutdown Factory Pack Quantity 2500
Subcategory PMIC - Power Management ICs Supply Voltage - Min 4 V
Tradename SWIFT Type Synchronous Step Down SWIFT Converter

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