Maxim Integrated
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
MAX1674EUA-T
Zobrazit detail DataSheets

MAX1674EUA-T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: Step-Up DC-DC Converter
  • Package: 8-pin µMAX®
  • Essence: Efficient and compact power management solution
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.5V to 16V
  • Output Voltage Range: Adjustable from 1.25V to 28V
  • Switching Frequency: 500kHz
  • Maximum Output Current: 500mA
  • Efficiency: Up to 90%
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX1674EUA-T has the following pin configuration:

  1. GND: Ground
  2. LX: Switch Node
  3. FB: Feedback Input
  4. EN: Enable Input
  5. VCC: Supply Voltage Input
  6. SHDN: Shutdown Input
  7. COMP: Compensation
  8. VOUT: Output Voltage

Functional Features

  • High efficiency step-up DC-DC converter
  • Adjustable output voltage for versatile applications
  • Low quiescent current for improved power efficiency
  • Overcurrent and thermal protection for enhanced safety
  • Soft-start feature to reduce inrush current

Advantages

  • Compact package size allows for space-saving designs
  • Wide input voltage range enables compatibility with various power sources
  • High efficiency results in reduced power consumption and longer battery life
  • Overcurrent and thermal protection ensure safe operation
  • Soft-start feature prevents excessive current during startup

Disadvantages

  • Limited maximum output current of 500mA may not be suitable for high-power applications
  • Fixed switching frequency may not be optimal for all designs

Working Principles

The MAX1674EUA-T is a step-up DC-DC converter that converts a lower input voltage to a higher output voltage. It utilizes a switching regulator topology to efficiently boost the input voltage. The integrated circuit controls the switching of an internal power MOSFET to regulate the output voltage. The feedback input (FB) pin monitors the output voltage and adjusts the duty cycle of the switching signal to maintain the desired output voltage.

Detailed Application Field Plans

The MAX1674EUA-T is commonly used in various applications, including:

  1. Battery-powered devices: Provides efficient power conversion for portable electronics such as smartphones, tablets, and wearable devices.
  2. Industrial equipment: Enables voltage boosting for sensors, actuators, and control systems in industrial automation.
  3. Automotive electronics: Supports power management in automotive applications like infotainment systems, lighting, and navigation devices.
  4. IoT devices: Facilitates power supply requirements for Internet of Things (IoT) devices, including smart home appliances and wireless sensors.

Detailed and Complete Alternative Models

  1. MAX1675EUA-T: Similar specifications and features, but with a higher maximum output current of 1A.
  2. MAX1676EUA-T: Step-up DC-DC converter with adjustable output voltage and higher efficiency.
  3. MAX1677EUA-T: Integrated circuit with a fixed output voltage of 5V and higher input voltage range.

These alternative models offer different options based on specific application requirements.

Word count: 439 words

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX1674EUA-T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX1674EUA-T in technical solutions:

  1. Q: What is the MAX1674EUA-T? A: The MAX1674EUA-T is a step-up DC-DC converter IC that provides a regulated output voltage from a lower input voltage.

  2. Q: What is the input voltage range of the MAX1674EUA-T? A: The input voltage range of the MAX1674EUA-T is typically between 0.7V and 5.5V.

  3. Q: What is the output voltage range of the MAX1674EUA-T? A: The output voltage range of the MAX1674EUA-T can be set between 2.5V and 5.5V using external resistors.

  4. Q: What is the maximum output current of the MAX1674EUA-T? A: The maximum output current of the MAX1674EUA-T is typically 100mA.

  5. Q: Can the MAX1674EUA-T operate with a single lithium-ion battery as the input source? A: Yes, the MAX1674EUA-T can operate with a single lithium-ion battery as long as the input voltage is within the specified range.

  6. Q: Does the MAX1674EUA-T have built-in thermal protection? A: Yes, the MAX1674EUA-T has built-in thermal shutdown protection to prevent overheating.

  7. Q: Can the MAX1674EUA-T be used in portable electronic devices? A: Yes, the MAX1674EUA-T is commonly used in portable electronic devices such as smartphones, tablets, and wearable devices.

  8. Q: Is the MAX1674EUA-T suitable for low-power applications? A: Yes, the MAX1674EUA-T is designed for low-power applications and offers high efficiency.

  9. Q: Can the MAX1674EUA-T be used in automotive applications? A: Yes, the MAX1674EUA-T is automotive-grade and can be used in automotive applications that require a regulated power supply.

  10. Q: What are some typical applications of the MAX1674EUA-T? A: Some typical applications of the MAX1674EUA-T include battery-powered devices, IoT devices, portable medical equipment, and handheld instruments.

Please note that these answers are general and may vary depending on specific design requirements and application scenarios.