MCP73830LT-0AAI/MYY

Introduction

The MCP73830LT-0AAI/MYY is a specialized integrated circuit (IC) designed for battery charging applications. This entry provides an overview of the product, including its category, use, characteristics, package, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Battery Charging IC
• Use: The MCP73830LT-0AAI/MYY is used for managing and controlling the charging of single-cell lithium-ion or lithium-polymer batteries.
• Characteristics: It features a compact design, high efficiency, and various safety features such as thermal regulation and charge termination.
• Package: The MCP73830LT-0AAI/MYY is available in a small 10-lead 3x3 mm DFN package.
• Essence: The essence of this product lies in its ability to provide a reliable and efficient solution for charging lithium-ion or lithium-polymer batteries in a wide range of applications.
• Packaging/Quantity: The MCP73830LT-0AAI/MYY is typically supplied in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 4.5V to 6.0V
• Charge Current: Programmable up to 1.5A
• Preconditioning Current: 10% of the programmed constant current (CC) value
• Termination Current: 5% of the programmed CC value
• Operating Temperature Range: -40°C to 85°C
• Thermal Regulation: ±5°C
• Charge Termination: C/10 or 1/20th of the programmed CC value
• Charge Status Output: Open-drain active-low status output

Detailed Pin Configuration

The MCP73830LT-0AAI/MYY features a 10-lead 3x3 mm DFN package with the following pin configuration: 1. VSS (Ground) 2. PROG (Charge Current Programming) 3. TS (Thermal Sense) 4. STAT (Charge Status Output) 5. CE (Charge Enable) 6. VDD (Input Supply Voltage) 7. PG (Power Good) 8. VBAT (Battery Connection) 9. DP (D+) 10. DM (D-)

Functional Features

• Programmable Charge Current: The MCP73830LT-0AAI/MYY allows users to set the charge current according to the requirements of the specific battery being charged.
• Thermal Regulation: The IC incorporates thermal regulation to ensure safe and efficient charging by monitoring and adjusting the charge current based on temperature.
• Charge Termination: It provides accurate charge termination to prevent overcharging and maximize battery life.
• Status Output: The open-drain active-low status output (STAT pin) provides indication of the charging status.

Advantages and Disadvantages

Advantages

• High Efficiency
• Compact Design
• Programmable Charge Current
• Thermal Regulation for Safety
• Accurate Charge Termination

Disadvantages

• Limited to Single-Cell Battery Charging
• Requires External Components for Complete Application

Working Principles

The MCP73830LT-0AAI/MYY operates by regulating the charge current and monitoring the battery temperature to ensure safe and efficient charging. It utilizes a programmable charge current to accommodate different battery capacities and types. The IC also employs charge termination techniques to prevent overcharging and maintain battery health.

Detailed Application Field Plans

The MCP73830LT-0AAI/MYY is suitable for a wide range of portable electronic devices, including smartphones, tablets, portable media players, digital cameras, and handheld gaming devices. It can also be utilized in battery-powered IoT devices, wearable electronics, and other portable consumer electronics.

Detailed and Complete Alternative Models

• MCP73831: Similar to the MCP73830LT-0AAI/MYY but with additional features such as input voltage regulation and USB compatibility.
• BQ24075: A comparable battery charging IC with integrated power path management for seamless operation during battery charging.

In conclusion, the MCP73830LT-0AAI/MYY is a versatile and efficient battery charging IC suitable for a wide range of portable electronic devices. Its compact design, programmable features, and safety mechanisms make it an ideal choice for battery charging applications.

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