MCP73833-GPI/MF

Introduction

The MCP73833-GPI/MF is a specialized integrated circuit (IC) designed for battery charging applications. This entry provides an in-depth overview of the MCP73833-GPI/MF, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category

The MCP73833-GPI/MF belongs to the category of battery management ICs, specifically focusing on single-cell lithium-ion/polymer battery chargers.

Basic Information Overview

• Use: The MCP73833-GPI/MF is used for efficiently and safely charging single-cell lithium-ion/polymer batteries.
• Characteristics: It features a compact design, high efficiency, and integrated safety features such as thermal regulation and charge termination.
• Package: The MCP73833-GPI/MF is available in a small footprint 8-pin MSOP package.
• Essence: Its essence lies in providing a reliable and efficient solution for charging lithium-ion/polymer batteries in various portable electronic devices.
• Packaging/Quantity: The MCP73833-GPI/MF is typically available in tape and reel packaging with a quantity specified by the manufacturer.

Specifications

• Input Voltage: 4.5V to 6.0V
• Charge Current: Programmable up to 1A
• Preconditioning Current: 10% of the programmed constant current value
• Termination Current: 10% of the programmed constant current value
• Ambient Temperature Range: -40°C to +85°C
• Charge Voltage: 4.20V ±1%
• Charge Accuracy: ±0.7%

Detailed Pin Configuration

The MCP73833-GPI/MF features the following pin configuration: 1. VSS (Ground) 2. PROG (Charge Current Programming) 3. STAT (Charge Status Output) 4. PG (Power Good Output) 5. CE (Charge Enable Input) 6. TS (Thermal Regulation Input) 7. VBAT (Battery Voltage Input) 8. VDD (Input Supply Voltage)

Functional Features

• Integrated Pass Transistor: Eliminates the need for an external blocking diode.
• Automatic Recharge: Initiates a new charge cycle if the battery voltage falls below a predefined threshold.
• Thermal Regulation: Monitors the junction temperature to prevent overheating during charging.
• Charge Status Output: Provides indication of the charging process.
• Power Good Output: Indicates when input power is present and within the valid voltage range.

Advantages and Disadvantages

Advantages

• Compact and integrated design
• High charging efficiency
• Automatic recharge feature enhances battery lifespan

Disadvantages

• Limited to single-cell battery charging
• Requires careful thermal management in high-power applications

Working Principles

The MCP73833-GPI/MF operates by regulating the charge current and voltage to the connected lithium-ion/polymer battery. It utilizes a constant current/constant voltage charging algorithm to ensure optimal and safe charging without overcharging or overheating the battery.

Detailed Application Field Plans

The MCP73833-GPI/MF is well-suited for a wide range of portable electronic devices, including: - Smartphones and tablets - Portable media players - Wearable devices - Portable medical devices - Handheld gaming consoles

Detailed and Complete Alternative Models

• MCP73831: Similar functionality with a different package and pin configuration.
• MCP73837: Enhanced version with additional safety features and higher charge current capability.
• BQ24075: Comparable single-cell lithium-ion/polymer battery charger from a different manufacturer.

In conclusion, the MCP73833-GPI/MF offers a reliable and efficient solution for charging single-cell lithium-ion/polymer batteries in various portable electronic devices. Its compact design, integrated features, and programmable capabilities make it a versatile choice for battery management applications.

Word count: 587