LTC4065LEDC-4.1#TRMPBF

Product Overview

Category

The LTC4065LEDC-4.1#TRMPBF 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
• Output Voltage: 4.1V
• Charging Current: Up to 800mA
• Package Type: ThinSOT-23
• Essence: Battery charger IC with thermal regulation and constant current/constant voltage charging algorithm.
• Packaging/Quantity: This product is available in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 4.35V to 6V
• Output Voltage: 4.1V ±1%
• Charging Current: Up to 800mA
• Preconditioning Current: 10% of programmed charge current
• Charge Termination: C/10
• Thermal Regulation: 100°C
• Operating Temperature Range: -40°C to 85°C
• Package Type: ThinSOT-23

Detailed Pin Configuration

The LTC4065LEDC-4.1#TRMPBF has the following pin configuration:

1. VIN - Input Voltage
2. GND - Ground
3. PROG - Programming Pin
4. STAT - Status Indicator
5. BAT - Battery Connection

Functional Features

• Thermal Regulation: The LTC4065LEDC-4.1#TRMPBF incorporates thermal regulation to prevent overheating during the charging process, ensuring safe and efficient charging.
• Constant Current/Constant Voltage Charging: This IC utilizes a constant current/constant voltage charging algorithm, which optimizes the charging process for lithium-ion batteries.
• Status Indicator: The STAT pin provides visual indication of the charging status, allowing users to easily monitor the progress.

Advantages and Disadvantages

Advantages

• Compact Package: The ThinSOT-23 package offers a small form factor, making it suitable for space-constrained applications.
• Thermal Regulation: The built-in thermal regulation feature protects the battery and the IC from excessive heat, enhancing safety and reliability.
• Constant Current/Constant Voltage Charging: This charging algorithm ensures optimal charging efficiency and prolongs battery life.

Disadvantages

• Limited Output Voltage Options: The LTC4065LEDC-4.1#TRMPBF only supports a fixed output voltage of 4.1V, which may not be compatible with devices requiring different voltage levels.
• Maximum Charging Current: The maximum charging current of 800mA may not be sufficient for high-capacity batteries or devices that require faster charging times.

Working Principles

The LTC4065LEDC-4.1#TRMPBF operates by regulating the charging current and voltage supplied to the connected lithium-ion battery. It employs a constant current/constant voltage charging algorithm, where the charging current is initially set to a predefined value until the battery voltage reaches a specific threshold. Once reached, the charging current is reduced to maintain a constant voltage level until the charge termination condition is met. The thermal regulation feature monitors the temperature and adjusts the charging parameters to prevent overheating.

Detailed Application Field Plans

The LTC4065LEDC-4.1#TRMPBF is widely used in various portable electronic devices that rely on lithium-ion batteries for power. Some common application fields include:

1. Smartphones
2. Tablets
3. Portable media players
4. Bluetooth headsets
5. Wearable devices

Detailed and Complete Alternative Models

1. LTC4065LEDC-4.2#TRMPBF: Similar to LTC4065LEDC-4.1#TRMPBF, but with an output voltage of 4.2V.
2. LTC4065LEDC-4.0#TRMPBF: Similar to LTC4065LEDC-4.1#TRMPBF, but with an output voltage of 4.0V.
3. LTC4065LEDC-4.1#TRMPT: Similar to LTC4065LEDC-4.1#TRMPBF, but in a different package type (ThinSOT-23-6).

These alternative models provide options for different output voltage requirements or package preferences.

In conclusion, the LTC4065LEDC-4.1#TRMPBF is an integrated circuit designed for charging lithium-ion batteries in portable electronic devices. It offers thermal regulation, constant current/constant voltage charging, and a compact form factor. While it has limitations in terms of output voltage options and maximum charging current, it provides reliable and efficient charging for various applications.