MCP73213-A6W/MF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Battery Charger
• Characteristics: High Efficiency, Small Package Size
• Package: 6-Lead SOT-23
• Essence: Charging Management IC
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 4.5V to 6.5V
• Charge Current Range: 15mA to 500mA
• Programmable Charge Termination Current: 1/2, 1/4, or 1/8 of the Charge Current
• Preconditioning Mode: 10% of the Charge Current for a Programmable Time Period
• Thermal Regulation: Limits the Die Temperature during Charging
• Battery Temperature Monitoring: Prevents Charging at Extreme Temperatures
• Reverse Discharge Protection: Prevents Battery Drainage
• Under Voltage Lockout (UVLO): Ensures Proper Operation under Low Input Voltage Conditions

Detailed Pin Configuration

The MCP73213-A6W/MF has a total of six pins:

1. VDD: Power Supply Input
2. STAT: Status Output Pin
3. PROG: Programming Input Pin
4. PGND: Power Ground
5. VBAT: Battery Connection
6. VIN: Input Voltage Connection

Functional Features

• Constant Current/Constant Voltage (CC/CV) Charging Algorithm
• Programmable Charge Termination Current
• Preconditioning Mode for Deeply Discharged Batteries
• Thermal Regulation for Safe Charging
• Battery Temperature Monitoring
• Reverse Discharge Protection
• Under Voltage Lockout (UVLO)

Advantages and Disadvantages

Advantages: - High charging efficiency - Small package size - Programmable charge termination current - Preconditioning mode for deeply discharged batteries - Thermal regulation for safe charging

Disadvantages: - Limited input voltage range (4.5V to 6.5V) - Limited charge current range (15mA to 500mA)

Working Principles

The MCP73213-A6W/MF is a battery charger IC that utilizes a constant current/constant voltage (CC/CV) charging algorithm. It regulates the charging process by controlling the charge current and voltage to ensure efficient and safe charging of batteries.

The IC incorporates various features such as programmable charge termination current, preconditioning mode, thermal regulation, battery temperature monitoring, reverse discharge protection, and under voltage lockout (UVLO). These features enhance the charging performance and protect the battery from overcharging, overheating, and reverse discharge.

Detailed Application Field Plans

The MCP73213-A6W/MF is suitable for various applications that require battery charging, such as:

1. Portable Electronics: Smartphones, tablets, portable speakers
2. Wearable Devices: Smartwatches, fitness trackers
3. IoT Devices: Wireless sensors, smart home devices
4. Medical Devices: Portable medical equipment, patient monitoring devices
5. Industrial Equipment: Handheld tools, measurement instruments

Detailed and Complete Alternative Models

1. MCP73831: Similar battery charger IC with different package options (SOT-23, DFN)
2. MCP73832: Battery charger IC with additional power good output pin
3. MCP73833: Battery charger IC with higher charge current range
4. MCP73837: Battery charger IC with USB interface for charging

These alternative models provide similar functionality and can be considered as alternatives to the MCP73213-A6W/MF based on specific requirements and preferences.

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