MCP73834-CNI/UN

Introduction

The MCP73834-CNI/UN 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 MCP73834-CNI/UN is used for managing and controlling the charging of rechargeable lithium-ion or lithium-polymer batteries.
• Characteristics: It features precision voltage regulation, charge status indicators, and thermal regulation for safe and efficient battery charging.
• Package: The MCP73834-CNI/UN is available in a compact 10-lead MSOP package.
• Essence: The essence of this product lies in its ability to provide reliable and efficient charging for lithium-ion and lithium-polymer batteries.
• Packaging/Quantity: The MCP73834-CNI/UN is typically available in reels 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 maximum charge current
• Termination Current: 5% of the programmed maximum charge current
• Ambient Temperature Range: -40°C to +85°C
• Charge Voltage: 4.2V
• Charge Accuracy: ±0.7%
• Thermal Regulation: 100mV
• Charge Status Output: Open-drain active-low CHG and FLT pins

Detailed Pin Configuration

The MCP73834-CNI/UN features a 10-lead MSOP package with the following pin configuration: 1. VSS - Ground 2. PROG - Charge Current Programming Pin 3. STAT - Charge Status Output 4. CE - Charge Enable Input 5. TS - Thermal Regulation Input 6. VDD - Supply Voltage Input 7. BAT - Battery Connection 8. VREG - Regulated Output Voltage 9. PGND - Power Ground 10. VSS - Ground

Functional Features

• Precision Voltage Regulation: Ensures accurate and safe charging of lithium-ion and lithium-polymer batteries.
• Charge Status Indicators: Provides visual indication of the charging process through the CHG and FLT pins.
• Thermal Regulation: Monitors and regulates the temperature during charging to prevent overheating and ensure battery safety.

Advantages and Disadvantages

Advantages

• High charge accuracy
• Compact package size
• Programmable charge current
• Integrated thermal regulation for safety

Disadvantages

• Limited to lithium-ion and lithium-polymer battery charging applications
• Requires external components for complete charging system implementation

Working Principles

The MCP73834-CNI/UN operates by regulating the charging current and voltage to ensure the safe and efficient charging of lithium-ion and lithium-polymer batteries. It utilizes a programmable charge current and precision voltage regulation to deliver the required charging profile while monitoring the temperature to prevent overheating.

Detailed Application Field Plans

The MCP73834-CNI/UN is suitable for various portable electronic devices, such as smartphones, tablets, portable media players, and handheld gaming consoles. Additionally, it can be utilized in power banks, portable medical devices, and other battery-powered applications requiring reliable and safe battery charging.

Detailed and Complete Alternative Models

• MCP73833: Similar functionality with different charge current options
• MCP73837: Enhanced features for advanced battery charging applications
• MCP73871: Single-cell linear charge management controller with additional safety features

In conclusion, the MCP73834-CNI/UN is a versatile and reliable battery charging IC suitable for a wide range of portable electronic devices and battery-powered applications. Its precision voltage regulation, charge status indicators, and thermal regulation make it an ideal choice for ensuring the safe and efficient charging of lithium-ion and lithium-polymer batteries.

[Word Count: 591]

Please let me know if you need any further information or modifications.