MCP73831-2ATI/MC

Product Overview

Category

The MCP73831-2ATI/MC 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: Up to 6V
• Charge Current: Programmable up to 500mA
• Automatic recharging
• Thermal regulation and protection
• Status indication

Package

The MCP73831-2ATI/MC is available in a small 5-pin SOT-23 package.

Essence

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

Packaging/Quantity

The MCP73831-2ATI/MC is typically available in reels with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 4.5V to 6.0V
• Preconditioning Current: 10% of the programmed current
• Charge Termination: 5% of the programmed current
• Ambient Temperature Range: -40°C to +85°C
• Battery Voltage Range: 3.4V to 4.2V

Detailed Pin Configuration

1. VSS (Ground)
2. PROG (Charge Current Programming)
3. STAT (Status Output)
4. VBAT (Battery Connection)
5. VDD (Input Supply)

Functional Features

• Programmable charge current
• Automatic recharge
• Charge status indication
• Thermal regulation and protection
• Under-voltage lockout

Advantages and Disadvantages

Advantages

• Small package size
• Programmable charge current
• Automatic recharge feature
• Comprehensive protection features

Disadvantages

• Limited to single-cell battery charging
• Not suitable for multi-cell battery applications

Working Principles

The MCP73831-2ATI/MC utilizes a constant current/constant voltage charging algorithm to efficiently and safely charge single-cell Li-Ion/Li-Polymer batteries. It regulates the charge current and voltage to ensure optimal charging without overcharging or overheating the battery.

Detailed Application Field Plans

The MCP73831-2ATI/MC is widely used in portable electronic devices, such as smartphones, tablets, and portable media players. It is also employed in battery-powered IoT devices, handheld medical devices, and other portable consumer electronics.

Detailed and Complete Alternative Models

• MCP73830: Similar functionality with different package options
• MAX1555: Single-cell Li-Ion/Li-Polymer charger with integrated pass transistor
• BQ24075: Integrated single-cell Li-Ion/Li-Polymer charger with power path management

In conclusion, the MCP73831-2ATI/MC is a versatile and efficient battery management IC designed for single-cell Li-IIon/Li-Polymer battery charging applications. Its programmable charge current, automatic recharge feature, and comprehensive protection mechanisms make it an ideal choice for various portable electronic devices and IoT applications.