MCP73832-2DCI/MC

Product Overview

Category

The MCP73832-2DCI/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 MCP73832-2DCI/MC is a highly integrated solution for portable devices.
• It offers a compact and efficient charging solution for Li-Ion/Li-Po batteries.
• This IC provides various safety features, such as thermal regulation and charge termination.
• It supports multiple charging modes, including constant current and constant voltage.

Package

The MCP73832-2DCI/MC is available in a 10-pin DFN package.

Essence

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

Packaging/Quantity

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

Specifications

• Input Voltage: 4.5V to 6.0V
• Charging Current: Up to 1A
• Charge Termination Voltage: 4.2V ± 1%
• Preconditioning Current: 10% of programmed current
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

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

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

Functional Features

• Constant Current/Constant Voltage Charging
• Programmable Charging Current
• Thermal Regulation for Safety
• Charge Termination Control
• Reverse Discharge Protection
• Under-Voltage Lockout (UVLO)
• Battery Temperature Monitoring

Advantages and Disadvantages

Advantages

• Highly integrated solution
• Compact size
• Efficient charging performance
• Multiple safety features
• Programmable charging current

Disadvantages

• Limited to single-cell Li-Ion/Li-Po batteries
• Requires external components for complete charging system

Working Principles

The MCP73832-2DCI/MC operates by regulating the charging current and voltage to ensure safe and efficient charging of Li-Ion/Li-Po batteries. It uses a constant current/constant voltage charging algorithm, where the charging current is initially set to a programmable value and then switches to constant voltage mode once the battery voltage reaches the charge termination voltage.

The IC also incorporates thermal regulation to prevent overheating during charging. It monitors the battery temperature through the THERM pin and adjusts the charging current accordingly.

Detailed Application Field Plans

The MCP73832-2DCI/MC is widely used in various portable devices that require single-cell Li-Ion/Li-Po battery charging. Some common application fields include:

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

1. MCP73831-2ATI/MC
2. MCP73833-AMI/MC
3. MCP73837-FCI/MC
4. MCP73838-FCI/MC
5. MCP73871-2CCI/MC

These alternative models offer similar functionality and features, providing options for different design requirements.

In conclusion, the MCP73832-2DCI/MC is a highly integrated battery charger IC designed for single-cell Li-Ion/Li-Po batteries. It offers efficient charging performance, multiple safety features, and programmable charging current. With its compact size and wide range of applications, this IC provides a reliable solution for portable devices requiring battery charging capabilities.