MCP73812T-420I/OT

The MCP73812T-420I/OT is a highly integrated charge management controller designed for single-cell Li-Ion or Li-Polymer batteries. This IC features a precise voltage regulation, charge current thermal regulation, and automatic charge termination, making it an ideal solution for portable devices and battery-powered applications.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• VSS: Ground connection
• VDD: Positive power supply
• STAT: Charge status output pin
• FLT: Fault output pin
• VREG: Voltage regulation pin
• PROG: Charge current programming pin
• TS: Thermal regulation input
• PGND: Power ground

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the MCP73812T-420I/OT IC for a visual representation.

Key Features

• Precision Voltage Regulation: Ensures accurate and safe charging of Li-Ion or Li-Polymer batteries.
• Thermal Regulation: Monitors the temperature to prevent overheating during charging.
• Automatic Charge Termination: Stops charging once the battery is fully charged to prevent overcharging.
• Programmable Charge Current: Allows flexibility in setting the charge current based on battery requirements.
• Fault Protection: Provides fault output indication for easy diagnostics during charging process.

Note: For detailed technical specifications, please refer to the MCP73812T-420I/OT datasheet.

Application

• Portable Devices: Suitable for charging Li-Ion or Li-Polymer batteries in portable electronic devices.
• Battery-Powered Systems: Ideal for integration into battery-powered systems requiring efficient charge management.
• Consumer Electronics: Used in various consumer electronic devices for battery charging applications.

Functionality

The MCP73812T-420I/OT is a charge management controller that provides precise control over the charging process for single-cell Li-Ion or Li-Polymer batteries. It ensures safe and efficient charging for portable and battery-operated devices.

Usage Guide

• Power Supply: Connect VDD (Pin 2) to the positive power supply and VSS (Pin 1) to ground.
• Battery Connection: Connect the battery to the appropriate terminals for charging.
• Thermal Regulation: Monitor the temperature of the system to ensure proper thermal management during charging.

Frequently Asked Questions

Q: Can the MCP73812T-420I/OT be used for fast charging?
A: The MCP73812T-420I/OT is designed for safe and controlled charging, but for fast-charging applications, consider using dedicated fast-charging controllers.

Q: Is the MCP73812T-420I/OT suitable for automotive applications?
A: Yes, the MCP73812T-420I/OT can be used in automotive applications with appropriate considerations for operating conditions and environmental factors.