MCP73832-2ACI/MC

Product Overview

Category

The MCP73832-2ACI/MC belongs to the category of battery charger ICs.

Use

This product is primarily used for charging single-cell lithium-ion (Li-Ion) or lithium-polymer (Li-Po) batteries.

Characteristics

• The MCP73832-2ACI/MC is a highly integrated solution for portable devices.
• It offers a compact and cost-effective charging solution.
• This IC provides various safety features, such as thermal regulation, overvoltage protection, and reverse discharge protection.

Package

The MCP73832-2ACI/MC is available in a small 10-pin MSOP package.

Essence

The essence of this product lies in its ability to efficiently charge Li-Ion or Li-Po batteries while ensuring safety and reliability.

Packaging/Quantity

The MCP73832-2ACI/MC is typically sold in reels, with a quantity of 2500 units per reel.

Specifications

• Input Voltage: 4.5V to 6.0V
• Charging Current: Up to 1.5A
• Charge Termination: Programmable
• Preconditioning: Yes
• Battery Temperature Monitoring: Yes
• Thermal Regulation: Yes
• Overvoltage Protection: Yes
• Reverse Discharge Protection: Yes

Detailed Pin Configuration

The MCP73832-2ACI/MC has the following pin configuration:

1. VBAT - Battery Voltage Input
2. STAT - Status Output
3. PG - Power Good Output
4. PROG - Programming Input
5. TS - Temperature Sense Input
6. EN - Enable Input
7. GND - Ground
8. VSS - Negative Supply Input
9. VDD - Positive Supply Input
10. VOUT - Charge Current Output

Functional Features

• Programmable charge termination allows customization based on battery requirements.
• Preconditioning feature ensures optimal charging performance for deeply discharged batteries.
• Battery temperature monitoring prevents charging at extreme temperatures, enhancing safety.
• Thermal regulation protects the device from overheating during charging.
• Overvoltage protection safeguards the battery from excessive voltage levels.
• Reverse discharge protection prevents current flow from the battery to the charger.

Advantages and Disadvantages

Advantages

• Highly integrated solution reduces external component count and board space.
• Compact package enables easy integration into portable devices.
• Safety features ensure reliable and protected charging.
• Programmable charge termination allows flexibility for different battery chemistries.

Disadvantages

• Limited to single-cell Li-Ion or Li-Po battery charging applications.
• Not suitable for multi-cell battery systems.

Working Principles

The MCP73832-2ACI/MC operates by regulating the charging current and monitoring the battery voltage and temperature. It uses a constant current/constant voltage (CC/CV) charging algorithm to efficiently charge the battery. The IC dynamically adjusts the charging current based on the battery's state of charge and temperature. Once the battery reaches the programmed charge termination voltage, the charging process is stopped to prevent overcharging.

Detailed Application Field Plans

The MCP73832-2ACI/MC is widely used in various portable electronic devices, including:

1. Smartphones and tablets
2. Portable media players
3. Bluetooth headsets
4. Wearable devices
5. GPS navigation systems
6. Portable gaming consoles

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MCP73832-2ACI/MC include:

1. BQ24075RGTR - Texas Instruments
2. MAX1555EZK+T - Maxim Integrated
3. LTC4054LES5-4.2 - Linear Technology
4. MCP73831T-2ACI/OT - Microchip Technology

These alternative models provide comparable features and can be considered as substitutes for the MCP73832-2ACI/MC in various applications.

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