MCP73114T-0NSI/MF

Product Overview

Category

The MCP73114T-0NSI/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 solution for various electronic devices.

Characteristics

• Integrated circuit for battery charging
• High efficiency and reliability
• Compact package design
• Advanced charging algorithms
• Wide input voltage range
• Over-temperature protection
• Under-voltage lockout

Package

The MCP73114T-0NSI/MF is available in a small form factor package, making it suitable for space-constrained applications. It is commonly found in a 10-pin DFN (Dual Flat No-Lead) package.

Essence

The essence of the MCP73114T-0NSI/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 sold in reels or tubes, with a standard quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 3.75V - 6V
• Charging Current Range: 100mA - 1000mA
• Operating Temperature Range: -40°C to +85°C
• Battery Chemistry Support: Lithium-Ion (Li-Ion), Lithium-Polymer (Li-Po)

Detailed Pin Configuration

The MCP73114T-0NSI/MF features a 10-pin DFN package with the following pin configuration:

1. VBAT - Battery Voltage Input
2. PROG - Programming Pin
3. STAT - Status Output Pin
4. TS - Temperature Sense Input
5. GND - Ground
6. VDD - Power Supply Input
7. VSS - Ground
8. N/C - No Connection
9. N/C - No Connection
10. N/C - No Connection

Functional Features

• Constant Current (CC) and Constant Voltage (CV) charging modes
• Programmable charge current through the PROG pin
• Charge status indication through the STAT pin
• Temperature monitoring for over-temperature protection
• Under-voltage lockout to prevent battery damage

Advantages and Disadvantages

Advantages

• High charging efficiency
• Compact package design for space-constrained applications
• Wide input voltage range allows compatibility with various power sources
• Advanced charging algorithms ensure optimal battery performance
• Over-temperature protection prevents damage to the battery and the charging circuitry
• Under-voltage lockout feature enhances safety and protects the battery

Disadvantages

• Limited support for battery chemistries other than Li-Ion and Li-Po
• Lack of flexibility in terms of pin configuration options

Working Principles

The MCP73114T-0NSI/MF operates based on a constant current and constant voltage charging algorithm. It starts by delivering a constant current to the battery until it reaches a predefined voltage threshold. At that point, the charger switches to a constant voltage mode, maintaining the voltage at the threshold level while reducing the charging current. This ensures a controlled and safe charging process, preventing overcharging and potential damage to the battery.

Detailed Application Field Plans

The MCP73114T-0NSI/MF is widely used in various portable electronic devices, such as smartphones, tablets, digital cameras, and portable gaming consoles. It is also utilized in battery-powered medical devices, wireless communication devices, and other portable consumer electronics.

Detailed and Complete Alternative Models

• MCP73213T-0SI/MF: Similar functionality with additional support for lead-acid batteries.
• MCP73223T-0SI/MF: Higher charging current range and support for multiple battery chemistries.
• MCP73233T-0SI/MF: Enhanced temperature monitoring and protection features.

These alternative models provide similar functionality to the MCP73114T-0NSI/MF while offering additional features or specifications tailored to specific application requirements.

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