MCP73837-FJI/UN

Product Overview

The MCP73837-FJI/UN belongs to the category of battery management ICs and is commonly used for charging single-cell lithium-ion or lithium-polymer batteries. This integrated circuit offers characteristics such as high accuracy, small package size, and low external component count. The MCP73837-FJI/UN is available in a 10-lead, 3x3 mm DFN package and is an essential component for portable electronic devices. It is typically sold in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

• Input Voltage: 4.5V to 6.0V
• Charge Current: Programmable up to 1A
• Preconditioning: Trickle charge current
• Termination: C/10 or 1/10th the programmed maximum charge current
• Temperature Range: -40°C to +85°C
• Thermal Regulation: 100mV (typical)

Detailed Pin Configuration

The MCP73837-FJI/UN features a 10-lead configuration with pins designated for input voltage, ground, temperature sense, charge status output, and battery connections. The detailed pin configuration can be found in the product datasheet.

Functional Features

• Integrated Pass Transistor
• Automatic Recharge
• Safety Timer
• Thermal Regulation
• Charge Status Output

Advantages and Disadvantages

Advantages

• Small Package Size
• High Accuracy
• Low External Component Count
• Automatic Recharge Feature

Disadvantages

• Limited to Single-Cell Battery Charging
• Restricted to Lithium-Ion and Lithium-Polymer Batteries

Working Principles

The MCP73837-FJI/UN operates by regulating the charge current and voltage to the connected lithium-ion or lithium-polymer battery. It utilizes an integrated pass transistor and various safety features to ensure efficient and safe charging.

Detailed Application Field Plans

The MCP73837-FJI/UN is widely used in applications such as portable consumer electronics, handheld medical devices, and wireless sensors. Its compact size and programmable charge current make it suitable for a broad range of battery-powered products.

Detailed and Complete Alternative Models

Some alternative models to the MCP73837-FJI/UN include the LTC4002, MAX1555, and BQ24075. These alternatives offer similar functionality and are compatible with single-cell lithium-ion or lithium-polymer battery charging applications.

This comprehensive entry provides a detailed overview of the MCP73837-FJI/UN, covering its product information, specifications, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.