Maxim Integrated
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MAX1555EZK+T
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MAX1555EZK+T

Product Overview

Category: Integrated Circuits
Use: Battery Charger
Characteristics: Low-power, single-cell lithium-ion (Li+) battery charger
Package: SOT-23
Essence: Efficient and compact battery charging solution
Packaging/Quantity: Tape & Reel / 3000 units

Specifications

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

Detailed Pin Configuration

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

Functional Features

  • Automatic power-down when input power is removed
  • Thermal regulation for maximum charge rate without risk of overheating
  • Status output indicates charge termination and fault conditions
  • Soft-start limits inrush current
  • Tiny 5-pin SOT23 package

Advantages and Disadvantages

Advantages: - Small package size - High charge efficiency - Automatic power-down feature

Disadvantages: - Limited to single-cell Li+ batteries - Relatively low charge current compared to some alternatives

Working Principles

The MAX1555EZK+T is designed to efficiently charge single-cell Li+ batteries. It employs a constant-current/constant-voltage charging algorithm to ensure safe and rapid charging while preventing overcharging.

Detailed Application Field Plans

The MAX1555EZK+T is suitable for various portable electronic devices powered by single-cell Li+ batteries, such as smartphones, tablets, digital cameras, and portable media players.

Detailed and Complete Alternative Models

  1. MCP73831
  2. BQ24075

In conclusion, the MAX1555EZK+T is a compact and efficient battery charger designed for single-cell Li+ batteries. Its small package size and automatic power-down feature make it an attractive choice for portable electronic devices.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX1555EZK+T v technických řešeních

  1. What is the input voltage range of MAX1555EZK+T?

    • The input voltage range of MAX1555EZK+T is 3.5V to 7V.

  2. What is the maximum charge current supported by MAX1555EZK+T?

    • MAX1555EZK+T supports a maximum charge current of 280mA.

  3. Can MAX1555EZK+T be used for charging single-cell lithium-ion (Li+) batteries?

    • Yes, MAX1555EZK+T is designed for charging single-cell Li+ batteries.

  4. Does MAX1555EZK+T have built-in thermal regulation?

    • Yes, MAX1555EZK+T features built-in thermal regulation to prevent overheating during charging.

  5. What is the typical charge termination method used by MAX1555EZK+T?

    • MAX1555EZK+T typically uses negative delta V (-ΔV) charge termination.

  6. Is MAX1555EZK+T suitable for portable device applications?

    • Yes, MAX1555EZK+T is well-suited for portable device applications due to its compact size and low power consumption.

  7. Can MAX1555EZK+T be used in solar-powered charging systems?

    • Yes, MAX1555EZK+T can be integrated into solar-powered charging systems for single-cell Li+ batteries.

  8. Does MAX1555EZK+T provide overvoltage protection for the battery?

    • Yes, MAX1555EZK+T includes overvoltage protection to safeguard the connected battery.

  9. What is the typical standby current consumption of MAX1555EZK+T?

    • The typical standby current consumption of MAX1555EZK+T is very low, at around 0.1µA.

  10. Can MAX1555EZK+T be used in conjunction with battery fuel gauges?

    • Yes, MAX1555EZK+T can be used alongside battery fuel gauges to provide accurate battery status information.