LTC4065LXEDC-4.1#TRPBF

Product Overview

Category

The LTC4065LXEDC-4.1#TRPBF belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This product is primarily used for charging lithium-ion batteries in various electronic devices such as smartphones, tablets, portable media players, and other portable electronic devices.

Characteristics

• Input Voltage Range: 4.35V to 6V
• Charge Current: Up to 800mA
• Programmable Charge Termination Current
• Automatic Recharge
• Thermal Regulation for Optimal Charging Rate
• Battery Temperature Monitoring
• Reverse Battery Protection
• Under-Voltage Lockout
• Small Footprint Package

Package

The LTC4065LXEDC-4.1#TRPBF is available in a small 10-pin DFN (Dual Flat No-Lead) package, which ensures efficient heat dissipation and compact design integration.

Essence

The essence of the LTC4065LXEDC-4.1#TRPBF lies in its ability to provide a reliable and efficient charging solution for lithium-ion batteries, ensuring optimal performance and extended battery life.

Packaging/Quantity

This product is typically supplied in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 4.35V to 6V
• Charge Current: Up to 800mA
• Charge Termination Current: Programmable
• Recharge Threshold: 100mV
• Operating Temperature Range: -40°C to 85°C
• Battery Temperature Monitoring Accuracy: ±2°C
• Reverse Battery Protection Threshold: -20mV
• Under-Voltage Lockout Threshold: 3.1V

Detailed Pin Configuration

1. VIN: Input Voltage
2. GND: Ground
3. PROG: Charge Termination Current Programming Pin
4. STAT: Charging Status Indicator Output
5. TS: Battery Temperature Sense Input
6. BAT: Battery Connection
7. VOUT: Regulated Output Voltage
8. CE: Enable/Shutdown Control Input
9. ISET: Charge Current Programming Pin
10. N/C: No Connection

Functional Features

• Programmable charge termination current allows customization based on battery requirements.
• Automatic recharge feature ensures continuous charging when the battery voltage drops below a certain threshold.
• Thermal regulation optimizes the charging rate to prevent overheating and maximize battery life.
• Battery temperature monitoring provides accurate temperature information for safe and efficient charging.
• Reverse battery protection prevents damage to the circuitry in case of reverse battery connection.
• Under-voltage lockout protects the battery from deep discharge, prolonging its lifespan.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Programmable charge termination current offers flexibility for different battery chemistries.
• Automatic recharge feature ensures uninterrupted charging.
• Small footprint package enables space-efficient integration into electronic devices.
• Reverse battery protection safeguards against accidental reverse polarity connection.

Disadvantages

• Limited maximum charge current may not be suitable for high-capacity batteries or fast charging applications.
• Lack of built-in voltage regulation for the output may require additional components for stable power supply.

Working Principles

The LTC4065LXEDC-4.1#TRPBF operates as a linear charger for lithium-ion batteries. It regulates the charging process by controlling the charge current and monitoring the battery temperature. The programmable charge termination current allows customization based on the specific battery requirements. The automatic recharge feature ensures that the battery remains charged even if the voltage drops below a certain threshold. The thermal regulation feature optimizes the charging rate to prevent overheating and maximize battery life. Reverse battery protection and under-voltage lockout mechanisms provide additional safety measures.

Detailed Application Field Plans

The LTC4065LXEDC-4.1#TRPBF is widely used in various portable electronic devices that require lithium-ion battery charging capabilities. Some of the common application fields include:

1. Smartphones
2. Tablets
3. Portable media players
4. Wearable devices
5. Bluetooth headsets
6. GPS navigation systems
7. Portable gaming consoles
8. Digital cameras

Detailed and Complete Alternative Models

1. MCP73831: Linear charge management controller with similar features and package options.
2. BQ24075: Integrated single-cell Li-Ion battery charger with programmable charge current and thermal regulation.
3. MAX1555: Compact linear charger for single-cell Li-Ion batteries with integrated reverse battery protection.

These alternative models offer similar functionality and can be considered as substitutes for the LTC4065LXEDC-4.1#TRPBF based on specific application requirements.

*Word