MCP73834T-B6I/MF

Introduction

The MCP73834T-B6I/MF 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, essence, packaging/quantity, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

• Category: Battery Charging IC
• Use: The MCP73834T-B6I/MF is used for charging single-cell lithium-ion or lithium-polymer batteries in various portable devices and applications.
• Characteristics: This IC offers high accuracy, safety features, and flexibility in charging parameters.
• Package: 6-Lead SOT-23 package
• Essence: Efficient and reliable battery charging management
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage: 4.5V to 6.0V
• Charge Current: Programmable up to 1A
• Termination: Programmable C/10 or 1/20 current detection
• Preconditioning: Not Applicable
• Charge Termination: Automatic shut-off
• Charge Status Output: Available
• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MCP73834T-B6I/MF features the following pin configuration: 1. VSS (Ground) 2. PROG (Charge Current Programming) 3. STAT (Charge Status Output) 4. VBAT (Battery Connection) 5. VDD (Input Supply) 6. TS (Thermal Regulation)

Functional Features

• Charge Current Programming: The PROG pin allows for flexible programming of the charge current, enabling customization based on battery requirements.
• Charge Status Output: The STAT pin provides information about the charging status, facilitating system integration and monitoring.
• Thermal Regulation: The TS pin ensures safe operation by regulating the charging process based on temperature conditions.

Advantages and Disadvantages

Advantages

• High Accuracy: Provides precise control over the charging process.
• Safety Features: Incorporates safeguards to prevent overcharging and overheating.
• Flexibility: Allows for customization of charge current and termination parameters.

Disadvantages

• Limited Preconditioning Options: Lacks support for battery preconditioning, which may be required for certain battery chemistries.

Working Principles

The MCP73834T-B6I/MF operates by regulating the charge current and termination based on the programmed parameters. It continuously monitors the battery voltage and temperature to ensure safe and efficient charging. Once the charge is complete, the IC automatically terminates the charging process to prevent overcharging.

Detailed Application Field Plans

The MCP73834T-B6I/MF is suitable for a wide range of applications, including: - Portable Consumer Electronics - Medical Devices - Industrial Equipment - Wearable Devices - IoT Devices

Detailed and Complete Alternative Models

• MCP73831: Single-cell Li-Ion/Li-Polymer Charge Management Controller with Thermal Regulation
• MCP73832: Stand-Alone Linear Li-Ion/Li-Polymer Charge Management Controller
• MCP73837: Advanced Single-Cell Li-Ion/Li-Polymer Charge Management Controller with Input Overvoltage Protection

In conclusion, the MCP73834T-B6I/MF is a versatile and reliable battery charging IC that offers precise control, safety features, and flexibility, making it suitable for various portable electronic devices and applications.

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