MCP73833-NVI/MF

Introduction

The MCP73833-NVI/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, 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 MCP73833-NVI/MF is used for single-cell lithium-ion/polymer battery charging.
• Characteristics: It features constant current/constant voltage operation with thermal regulation to maximize battery capacity and life.
• Package: 10-Lead, 3x3 mm VDFN
• Essence: Efficient and reliable battery charging management.
• Packaging/Quantity: Available in tape and reel packaging with quantities as per customer requirements.

Specifications

• Input Voltage: 4.5V to 6.0V
• Charge Current: Programmable up to 1.2A
• Preconditioning: trickle charge, preconditioning, and constant current/constant voltage (CC/CV) charging
• Termination: Automatic power-down when input power is removed
• Safety Features: Thermal regulation, automatic recharge, and charge status indication

Detailed Pin Configuration

The MCP73833-NVI/MF has a 10-lead VDFN package with the following pin configuration: 1. VSS - Ground 2. PROG - Charge Current Programming Pin 3. TS - Temperature Sense Input 4. CE - Charge Enable Input 5. PG - Power Good Output 6. STAT - Charge Status Output 7. VDD - Supply Voltage 8. VBAT - Battery Connection 9. VSS - Ground 10. VSS - Ground

Functional Features

• Programmable Charge Current
• Thermal Regulation
• Automatic Recharge
• Charge Status Indication
• Power Good Output

Advantages and Disadvantages

Advantages

• Flexible charge current programming
• Thermal regulation for safe and efficient charging
• Compact package size for space-constrained designs

Disadvantages

• Limited to single-cell lithium-ion/polymer battery charging
• External components required for complete charging system

Working Principles

The MCP73833-NVI/MF operates by regulating the charge current and voltage to ensure safe and efficient charging of single-cell lithium-ion/polymer batteries. It utilizes a CC/CV charging profile with thermal regulation to prevent overcharging and overheating.

Detailed Application Field Plans

The MCP73833-NVI/MF is suitable for various portable and handheld devices powered by lithium-ion/polymer batteries, including smartphones, tablets, portable media players, and digital cameras. It can also be used in portable medical devices, wireless sensors, and other battery-powered applications.

Detailed and Complete Alternative Models

• MCP73831: Similar functionality with different package options
• MCP73837: Higher charge current capability for faster charging
• MCP73871: Integrated USB charge management controller for portable applications

In conclusion, the MCP73833-NVI/MF is a versatile and reliable battery charging IC suitable for a wide range of portable and handheld electronic devices. Its programmable charge current, thermal regulation, and compact package make it an ideal choice for battery charging applications.

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