MCP73124-2JAI/MF

Product Overview

Category

The MCP73124-2JAI/MF belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This product is primarily used for charging rechargeable batteries, providing a reliable and efficient charging solution for various electronic devices.

Characteristics

• Integrated circuit for battery charging
• High charging efficiency
• Compact package design
• Wide input voltage range
• Multiple charging modes
• Overvoltage protection
• Temperature monitoring

Package

The MCP73124-2JAI/MF is available in a small form factor package, making it suitable for space-constrained applications. The package type is JAI/MF.

Essence

The essence of the MCP73124-2JAI/MF lies in its ability to provide a safe and efficient charging solution for rechargeable batteries, ensuring optimal performance and longevity.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity per reel/tube varying depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 4.5V to 6.0V
• Charging Current Range: 100mA to 1A
• Charging Termination Voltage: Programmable
• Operating Temperature Range: -40°C to +85°C
• Package Type: JAI/MF

Detailed Pin Configuration

The MCP73124-2JAI/MF has the following pin configuration:

1. VDD - Power supply input
2. GND - Ground reference
3. PROG - Programming pin for setting charging termination voltage
4. STAT - Status output pin indicating charging status
5. TS - Temperature sense input pin
6. BAT - Battery connection pin
7. CE - Charge enable pin

Functional Features

1. Constant Current/Constant Voltage (CC/CV) Charging: The MCP73124-2JAI/MF supports CC/CV charging mode, ensuring a controlled and efficient charging process.
2. Programmable Charging Termination Voltage: The PROG pin allows the user to set the desired charging termination voltage, providing flexibility for different battery chemistries.
3. Overvoltage Protection: The integrated overvoltage protection circuitry safeguards the battery from potential damage due to excessive voltage levels.
4. Temperature Monitoring: The TS pin enables temperature monitoring, allowing the charger to adjust the charging parameters based on the battery's temperature.

Advantages

• High charging efficiency ensures faster charging times.
• Wide input voltage range accommodates various power sources.
• Compact package design enables integration into space-constrained applications.
• Multiple charging modes provide flexibility for different battery chemistries.
• Overvoltage protection prevents damage to the battery.
• Temperature monitoring optimizes charging performance based on temperature conditions.

Disadvantages

• Limited charging current range may not be suitable for high-capacity batteries.
• Programming the charging termination voltage requires additional setup steps.

Working Principles

The MCP73124-2JAI/MF operates by regulating the charging current and voltage to the connected battery. It starts with a constant current charging mode until the battery voltage reaches the programmed termination voltage. At that point, it switches to a constant voltage mode to maintain the battery at the desired voltage level.

Detailed Application Field Plans

The MCP73124-2JAI/MF is widely used in various portable electronic devices, such as smartphones, tablets, digital cameras, and portable gaming consoles. It is also utilized in industrial applications where reliable battery charging is essential, including handheld meters, wireless sensors, and medical devices.

Detailed and Complete Alternative Models

1. MCP73831-2ATI/OT: Similar to the MCP73124-2JAI/MF, this model offers a compact package and supports CC/CV charging mode. It has a different pin configuration but provides similar functionality.
2. MCP73213-ADI/ML: This alternative model features a higher charging current range and additional safety features, making it suitable for high-capacity battery applications. It also supports CC/CV charging mode.

These alternative models can be considered based on specific application requirements and desired features.

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