MCP73832-5ACI/MC

Product Overview

Category

The MCP73832-5ACI/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 MCP73832-5ACI/MC is a highly integrated solution for portable devices that require battery charging.
• It offers a compact and efficient charging solution with minimal external components.
• This IC provides various safety features, such as thermal regulation, charge termination, and reverse battery protection.
• It supports a wide input voltage range, making it suitable for a variety of applications.

Package

The MCP73832-5ACI/MC is available in a small 10-pin MSOP package.

Essence

The essence of this product lies in its ability to provide a reliable and efficient charging solution for single-cell Li-Ion or Li-Po batteries.

Packaging/Quantity

The MCP73832-5ACI/MC is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 6.0V
• Charge Current: Up to 500mA
• Preconditioning Current: 10% of the programmed fast charge current
• Charge Termination Options: Constant Voltage, Timer, or C/10
• Temperature Regulation: ±1°C accuracy
• Reverse Battery Protection: Yes
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MCP73832-5ACI/MC has a total of 10 pins. Here is the detailed pin configuration:

1. VBAT: Battery Voltage Input
2. PROG: Charge Current Programming Pin
3. STAT: Charge Status Output
4. PGND: Power Ground
5. THERM: Thermal Regulation Input
6. TS: Temperature Sense Input
7. VSSOP: Negative Supply Voltage
8. VDD: Positive Supply Voltage
9. CE: Charge Enable Input
10. VOUT: Regulated Output Voltage

Functional Features

• Constant Current/Constant Voltage (CC/CV) charging algorithm for optimal battery charging.
• Programmable charge current allows flexibility in charging different battery capacities.
• Thermal regulation ensures safe operation by reducing the charge current when the temperature exceeds a specified threshold.
• Charge status output pin provides information about the charging process.
• Reverse battery protection prevents damage to the IC and battery in case of reverse polarity connection.

Advantages and Disadvantages

Advantages

• Compact and highly integrated solution
• Wide input voltage range
• Multiple charge termination options
• Safety features for reliable charging
• Suitable for various portable devices

Disadvantages

• Limited maximum charge current (up to 500mA)
• Not suitable for multi-cell battery charging

Working Principles

The MCP73832-5ACI/MC follows a CC/CV charging algorithm. Initially, it charges the battery with a constant current until the battery voltage reaches a predetermined level. Then, it switches to constant voltage mode and maintains a steady voltage across the battery terminals while reducing the charge current. This ensures that the battery is charged efficiently without overcharging or damaging it.

Detailed Application Field Plans

The MCP73832-5ACI/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

Here are some alternative models that offer similar functionality:

1. MCP73831-2ATI/MC
2. MCP73833-AMI/MC
3. MCP73871-2CCI/MC
4. MCP73842-FCI/MC
5. MCP73861-I/ML

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

Word count: 529 words