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MCP73861T-I/ML
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MCP73861T-I/ML

Introduction

The MCP73861T-I/ML is a specialized integrated circuit (IC) belonging to the category of battery management and charging solutions. This device is designed to provide efficient and reliable charging for single-cell lithium-ion or lithium-polymer batteries, making it suitable for a wide range of portable electronic devices.

Basic Information Overview

  • Category: Battery Management and Charging IC
  • Use: Charging single-cell lithium-ion or lithium-polymer batteries
  • Characteristics: Efficient, reliable, compact
  • Package: ML (2x3 DFN)
  • Essence: Provides charging control and management for lithium-ion/polymer batteries
  • Packaging/Quantity: Available in tape and reel packaging with a quantity of 2500 units per reel

Specifications

  • Input Voltage: 4.5V to 6.0V
  • Charge Current: Programmable up to 1A
  • Termination: Programmable C/10 or 10% of the programmed current
  • Preconditioning: Not Applicable
  • Charge Termination: Minimum 5% of programmed current
  • Charge Voltage: 4.20V ±1%
  • Ambient Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MCP73861T-I/ML features a 10-pin configuration, including input voltage, ground, charge status output, temperature sense, and battery connections. The detailed pinout can be found in the product datasheet.

Functional Features

  • Integrated pass transistor
  • Automatic recharging
  • Thermal regulation
  • Charge status indication
  • Under-voltage lockout

Advantages and Disadvantages

Advantages

  • Compact package
  • Programmable charge current and termination
  • Wide input voltage range

Disadvantages

  • Limited to single-cell battery charging
  • Requires external components for complete application

Working Principles

The MCP73861T-I/ML operates by regulating the charging current and voltage to ensure safe and efficient charging of lithium-ion or lithium-polymer batteries. It incorporates thermal regulation and charge termination features to prevent overcharging and overheating, thereby extending battery life.

Detailed Application Field Plans

This IC is well-suited for various applications, including: - Portable consumer electronics - Medical devices - Industrial equipment - Wearable devices - IoT devices

Detailed and Complete Alternative Models

  • MCP73831
  • MCP73837
  • MCP73871

In conclusion, the MCP73861T-I/ML offers a comprehensive solution for charging single-cell lithium-ion or lithium-polymer batteries, making it an ideal choice for a wide range of portable electronic devices.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MCP73861T-I/ML en soluciones técnicas

  1. What is the maximum input voltage for MCP73861T-I/ML?
    - The maximum input voltage for MCP73861T-I/ML is 6.0V.

  2. What is the charge current range of MCP73861T-I/ML?
    - The charge current range of MCP73861T-I/ML is programmable from 15mA to 500mA.

  3. Can MCP73861T-I/ML be used for charging lithium-ion batteries?
    - Yes, MCP73861T-I/ML is designed for charging single-cell lithium-ion or lithium polymer batteries.

  4. What is the thermal regulation feature of MCP73861T-I/ML?
    - MCP73861T-I/ML includes thermal regulation to ensure safe and reliable charging in various environmental conditions.

  5. Is MCP73861T-I/ML suitable for portable applications?
    - Yes, MCP73861T-I/ML is ideal for portable applications due to its small form factor and low-power operation.

  6. Does MCP73861T-I/ML support trickle charging?
    - Yes, MCP73861T-I/ML supports trickle charging to maintain the battery at full capacity.

  7. What is the operating temperature range of MCP73861T-I/ML?
    - MCP73861T-I/ML has an operating temperature range of -40°C to 85°C.

  8. Can MCP73861T-I/ML be used in solar-powered systems?
    - Yes, MCP73861T-I/ML can be integrated into solar-powered systems for efficient battery charging.

  9. What are the key protection features of MCP73861T-I/ML?
    - MCP73861T-I/ML includes over-temperature protection, reverse battery protection, and automatic recharge.

  10. Is MCP73861T-I/ML RoHS compliant?
    - Yes, MCP73861T-I/ML is RoHS compliant, making it suitable for environmentally friendly designs.