LTC4071EMS8E#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Battery Charger

Characteristics: - Small form factor - Low power consumption - High charging efficiency - Wide input voltage range - Overvoltage protection - Thermal shutdown protection

Package: MSOP-8

Essence: The LTC4071EMS8E#PBF is a battery charger IC designed for single-cell lithium-ion/polymer batteries. It provides a complete charging solution with built-in features to ensure safe and efficient charging.

Packaging/Quantity: The LTC4071EMS8E#PBF is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 4.35V to 6V
• Charge Current: Up to 800mA
• Charge Termination: Programmable
• Preconditioning: Yes
• Battery Temperature Monitoring: Yes
• Reverse Battery Protection: Yes
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The LTC4071EMS8E#PBF has the following pin configuration:

1. VBAT - Battery Voltage Input
2. GND - Ground
3. PROG - Charge Termination Programming
4. STAT - Charging Status Indicator
5. EN - Enable Pin
6. ISET - Charge Current Setting
7. TS - Battery Temperature Sense
8. VIN - Input Voltage

Functional Features

• Programmable charge termination
• Automatic recharge
• Charge current setting
• Charging status indicator
• Battery temperature monitoring
• Reverse battery protection
• Thermal shutdown protection

Advantages and Disadvantages

Advantages: - Small package size - Wide input voltage range - High charging efficiency - Built-in safety features - Programmable charge termination

Disadvantages: - Limited maximum charge current (800mA)

Working Principles

The LTC4071EMS8E#PBF operates as a constant-current/constant-voltage charger for single-cell lithium-ion/polymer batteries. It uses a programmable charge termination algorithm to ensure safe and efficient charging. The IC monitors the battery voltage, temperature, and charging status to adjust the charging parameters accordingly.

Detailed Application Field Plans

The LTC4071EMS8E#PBF is suitable for various applications that require single-cell lithium-ion/polymer battery charging. Some potential application fields include: - Portable electronic devices - Wireless communication devices - Wearable devices - IoT devices - Medical devices

Detailed and Complete Alternative Models

Some alternative models to the LTC4071EMS8E#PBF include: - MCP73831 - MAX1555 - BQ24075

These models offer similar functionality and can be considered as alternatives depending on specific requirements and design constraints.

In conclusion, the LTC4071EMS8E#PBF is a compact and efficient battery charger IC designed for single-cell lithium-ion/polymer batteries. With its built-in safety features and programmable charge termination, it provides a reliable solution for various portable electronic devices, wireless communication devices, and other applications requiring battery charging.