MAX17491GTA+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX17491GTA+ belongs to the category of integrated circuits (ICs).

Use

This IC is primarily used for power management applications.

Characteristics

• The MAX17491GTA+ offers high efficiency and low quiescent current, making it suitable for battery-powered devices.
• It provides multiple protection features such as overvoltage, undervoltage, and overcurrent protection.
• This IC has a wide input voltage range and can operate in harsh environments.

Package

The MAX17491GTA+ is available in a small 8-pin TDFN package.

Essence

The essence of the MAX17491GTA+ lies in its ability to efficiently manage power in various electronic devices.

Packaging/Quantity

This IC is typically sold in reels containing a specific quantity, which varies depending on the manufacturer and distributor.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: Adjustable from 0.6V to VIN
• Maximum Output Current: 1A
• Quiescent Current: 17µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX17491GTA+ features the following pin configuration:

1. EN (Enable): Controls the enable/disable function of the IC.
2. FB (Feedback): Provides feedback for regulating the output voltage.
3. GND (Ground): Connected to the ground reference of the circuit.
4. LX (Switch Node): Connects to the inductor for power conversion.
5. PGND (Power Ground): Connected to the ground reference for power components.
6. SS (Soft-Start): Determines the soft-start time of the IC.
7. VCC (Supply Voltage): Connects to the input voltage source.
8. VOUT (Output Voltage): Provides the regulated output voltage.

Functional Features

• High efficiency power conversion
• Overvoltage and undervoltage protection
• Overcurrent protection
• Soft-start functionality for smooth power-up
• Low quiescent current for improved battery life

Advantages and Disadvantages

Advantages

• High efficiency operation
• Wide input voltage range
• Multiple protection features
• Small package size
• Low quiescent current

Disadvantages

• Limited maximum output current (1A)
• Requires external components for complete power management solution

Working Principles

The MAX17491GTA+ operates as a step-down (buck) converter, converting a higher input voltage to a lower output voltage. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage based on the feedback received from the FB pin. The IC incorporates various protection mechanisms to ensure safe operation under different conditions.

Detailed Application Field Plans

The MAX17491GTA+ can be used in a wide range of applications, including but not limited to: - Portable electronic devices - Battery-powered systems - IoT devices - Industrial automation - Automotive electronics

Detailed and Complete Alternative Models

• MAX17492GTA+
• MAX17493GTA+
• MAX17494GTA+
• MAX17495GTA+

These alternative models offer similar functionality and characteristics, providing options for different design requirements.

In conclusion, the MAX17491GTA+ is a versatile integrated circuit designed for efficient power management in various electronic devices. Its high efficiency, multiple protection features, and compact package make it an ideal choice for battery-powered applications. However, its limited maximum output current and requirement for external components should be considered during the design process.