Maxim Integrated
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MAX1551EZK+T
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MAX1551EZK+T

Product Overview

  • Category: Integrated Circuits (ICs)
  • Use: Battery charger for single-cell lithium-ion (Li+) batteries
  • Characteristics: Compact, efficient, and versatile
  • Package: 5-pin SOT-23 package
  • Essence: Provides a complete solution for charging single-cell Li+ batteries
  • Packaging/Quantity: Tape & Reel (3,000 units per reel)

Specifications

  • Input Voltage Range: 4.5V to 7V
  • Charge Voltage: 4.2V
  • Charge Current: Up to 280mA
  • Standby Current: 6µA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

  1. GND
  2. IN
  3. PROG
  4. STAT
  5. OUT

Functional Features

  • Integrated power MOSFET
  • Thermal regulation
  • Automatic recharge
  • Under-voltage lockout
  • Soft-start
  • Charge status output

Advantages and Disadvantages

Advantages

  • Small footprint
  • Low standby current
  • Wide input voltage range
  • Automatic recharge feature

Disadvantages

  • Limited maximum charge current
  • Requires external programming resistor

Working Principles

The MAX1551EZK+T is designed to efficiently charge single-cell Li+ batteries by regulating the charge current and voltage. It utilizes an integrated power MOSFET to control the charging process and includes various protection features to ensure safe and reliable operation.

Detailed Application Field Plans

The MAX1551EZK+T is suitable for a wide range of portable electronic devices powered by single-cell Li+ batteries, such as smartphones, tablets, digital cameras, and portable media players. Its compact size and efficient operation make it ideal for space-constrained applications where maximizing battery life is crucial.

Detailed and Complete Alternative Models

  • MAX1555EZK+T: Similar functionality with different charge current options
  • MAX1556EZK+T: Enhanced features for more advanced battery charging requirements
  • MAX1557EZK+T: Higher charge current capability for faster charging times

This comprehensive entry provides detailed information about the MAX1551EZK+T, covering its product category, basic overview, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

Énumérez 10 questions et réponses courantes liées à l'application de MAX1551EZK+T dans les solutions techniques

  1. What is the MAX1551EZK+T?

    • The MAX1551EZK+T is a highly integrated battery charger and DC-DC converter designed for use in portable devices.

  2. What is the input voltage range of the MAX1551EZK+T?

    • The input voltage range of the MAX1551EZK+T is typically 4.5V to 7V, making it suitable for various power sources.

  3. What is the maximum charge current supported by the MAX1551EZK+T?

    • The MAX1551EZK+T supports a maximum charge current of 280mA, which can be adjusted using external components.

  4. Can the MAX1551EZK+T be used for charging single-cell lithium-ion batteries?

    • Yes, the MAX1551EZK+T is specifically designed for charging single-cell lithium-ion batteries, making it ideal for many portable applications.

  5. Does the MAX1551EZK+T include overvoltage protection?

    • Yes, the MAX1551EZK+T includes overvoltage protection to ensure the safety of the connected battery and the charging circuit.

  6. What is the typical efficiency of the DC-DC converter in the MAX1551EZK+T?

    • The DC-DC converter in the MAX1551EZK+T typically achieves efficiencies of up to 96%, helping to maximize battery life.

  7. Is the MAX1551EZK+T suitable for low-power applications?

    • Yes, the MAX1551EZK+T is well-suited for low-power applications due to its low quiescent current and efficient power conversion.

  8. Can the MAX1551EZK+T be used in conjunction with solar panels for battery charging?

    • Yes, the MAX1551EZK+T can be used with solar panels to efficiently charge batteries in solar-powered applications.

  9. Does the MAX1551EZK+T include thermal shutdown protection?

    • Yes, the MAX1551EZK+T includes thermal shutdown protection to prevent damage from excessive heat.

  10. What are some typical applications for the MAX1551EZK+T?

    • Typical applications for the MAX1551EZK+T include handheld instruments, PDAs, digital cameras, and other portable electronic devices requiring battery charging and power management.