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MCP73841T-420I/UN
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MCP73841T-420I/UN

Product Overview

Category

The MCP73841T-420I/UN belongs to the category of battery management ICs.

Use

It is used for single-cell Li-Ion/Li-Polymer battery charging applications.

Characteristics

  • Input Voltage: 4.5V to 6.0V
  • Charge Current: Up to 1A
  • Programmable Charge Termination
  • Automatic Recharge
  • Thermal Regulation and Protection
  • Under Voltage Lockout (UVLO)
  • Charge Status Output

Package

The MCP73841T-420I/UN is available in a 10-lead, 3x3 mm DFN package.

Essence

This product is essential for efficient and safe charging of single-cell Li-Ion/Li-Polymer batteries.

Packaging/Quantity

The MCP73841T-420I/UN is typically available in reels with a quantity specified by the manufacturer.

Specifications

  • Input Voltage Range: 4.5V to 6.0V
  • Preconditioning Current: 10% of the programmed constant current value
  • Charge Voltage: 4.20V
  • Charge Current: Up to 1A
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MCP73841T-420I/UN has a 10-lead configuration with specific pins for input voltage, ground, charge status output, and battery connections.

Functional Features

  • Programmable Charge Termination
  • Automatic Recharge
  • Thermal Regulation and Protection
  • Under Voltage Lockout (UVLO)
  • Charge Status Output

Advantages and Disadvantages

Advantages

  • High charge current capability
  • Wide input voltage range
  • Programmable charge termination for flexibility
  • Automatic recharge feature for convenience

Disadvantages

  • Limited to single-cell battery charging applications
  • Requires careful consideration of thermal management due to high charge currents

Working Principles

The MCP73841T-420I/UN operates by regulating the charge current and voltage to safely and efficiently charge single-cell Li-Ion/Li-Polymer batteries. It incorporates features such as programmable charge termination and automatic recharge to ensure optimal battery performance and longevity.

Detailed Application Field Plans

The MCP73841T-420I/UN is suitable for various portable electronic devices, including smartphones, tablets, portable media players, and handheld gaming consoles. It can also be used in battery-powered IoT devices, wearable electronics, and other portable gadgets requiring single-cell Li-Ion/Li-Polymer battery charging.

Detailed and Complete Alternative Models

  • MCP73831
  • MCP73837
  • MCP73838

These alternative models offer similar functionality and are suitable replacements for the MCP73841T-420I/UN in various applications.

In conclusion, the MCP73841T-420I/UN is a versatile and efficient battery management IC designed for single-cell Li-Ion/Li-Polymer battery charging applications. With its programmable features and robust protection mechanisms, it offers a reliable solution for portable electronic devices and battery-powered applications.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi MCP73841T-420I/UN dalam penyelesaian teknikal

  1. Q: What is the maximum input voltage for MCP73841T-420I/UN?
    A: The maximum input voltage for MCP73841T-420I/UN is 6V.

  2. Q: What is the charge current range for MCP73841T-420I/UN?
    A: The charge current range for MCP73841T-420I/UN is 15mA to 500mA.

  3. Q: Can MCP73841T-420I/UN be used for charging lithium-ion batteries?
    A: Yes, MCP73841T-420I/UN is suitable for charging single-cell lithium-ion or lithium-polymer batteries.

  4. Q: What is the thermal regulation feature of MCP73841T-420I/UN?
    A: MCP73841T-420I/UN includes thermal regulation to ensure safe and efficient charging by reducing charge current when the device temperature exceeds a specified threshold.

  5. Q: Is MCP73841T-420I/UN suitable for portable applications?
    A: Yes, MCP73841T-420I/UN is designed for portable and space-constrained applications due to its small form factor and low external component count.

  6. Q: Does MCP73841T-420I/UN support trickle charging?
    A: Yes, MCP73841T-420I/UN supports trickle charging for maintaining the battery at full capacity without overcharging.

  7. Q: What is the status indication method used in MCP73841T-420I/UN?
    A: MCP73841T-420I/UN provides status indication through an open-drain output pin that can be connected to an LED or microcontroller for visual feedback.

  8. Q: Can MCP73841T-420I/UN operate from a USB port?
    A: Yes, MCP73841T-420I/UN can be powered from a USB port, making it suitable for various USB-powered devices.

  9. Q: What is the typical charge termination method used in MCP73841T-420I/UN?
    A: MCP73841T-420I/UN uses constant-voltage and constant-current charge termination methods to ensure safe and accurate charging of the battery.

  10. Q: Is MCP73841T-420I/UN RoHS compliant?
    A: Yes, MCP73841T-420I/UN is RoHS compliant, meeting environmental standards for lead-free and hazardous substance-free manufacturing.