LTC4006EGN-2#TRPBF

Product Overview

Category

The LTC4006EGN-2#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, laptops, and portable power banks.

Characteristics

• High efficiency: The LTC4006EGN-2#TRPBF offers high charging efficiency, ensuring maximum power transfer from the power source to the battery.
• Fast charging: It supports fast charging protocols, allowing for quick replenishment of battery capacity.
• Safety features: This IC incorporates multiple safety mechanisms to prevent overcharging, overcurrent, and overheating, ensuring safe and reliable battery charging.
• Wide input voltage range: The LTC4006EGN-2#TRPBF can accept a wide range of input voltages, making it compatible with various power sources.

Package

The LTC4006EGN-2#TRPBF is available in a compact and industry-standard 16-pin SSOP (Shrink Small Outline Package) package. This package provides excellent thermal performance and ease of integration into circuit designs.

Essence

The essence of the LTC4006EGN-2#TRPBF lies in its ability to efficiently and safely charge lithium-ion batteries, enabling optimal performance and extended battery life in electronic devices.

Packaging/Quantity

The LTC4006EGN-2#TRPBF is typically sold in reels or tubes, containing a specified quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 4.5V to 32V
• Charging Current Range: Up to 4A
• Charging Termination Voltage: Programmable (2.4V to 4.6V)
• Operating Temperature Range: -40°C to 85°C
• Control Interface: I2C (Inter-Integrated Circuit)

Detailed Pin Configuration

The LTC4006EGN-2#TRPBF features a 16-pin SSOP package with the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. VCC: Supply Voltage for Internal Circuitry
4. SDA: I2C Serial Data Input/Output
5. SCL: I2C Serial Clock Input
6. BAT: Battery Connection
7. PROG: Charging Termination Voltage Programming Pin
8. STAT: Charging Status Indicator Output
9. TS: Thermistor Input for Temperature Monitoring
10. TIMER: Timer Programming Pin
11. ILIM: Current Limit Programming Pin
12. NTC: Negative Temperature Coefficient Input
13. VFB: Feedback Voltage Input
14. VSENSE: Sense Resistor Connection
15. VOUT: Output Voltage
16. PGND: Power Ground

Functional Features

• Constant Current/Constant Voltage (CC/CV) Charging: The LTC4006EGN-2#TRPBF employs a CC/CV charging algorithm, ensuring optimal charging performance and battery longevity.
• Programmable Charging Termination Voltage: The charging termination voltage can be programmed using the PROG pin, allowing flexibility in battery charging profiles.
• Thermal Regulation: This IC incorporates thermal regulation to prevent excessive heat buildup during charging, enhancing safety and reliability.
• Charge Status Indication: The STAT pin provides an output signal indicating the charging status, enabling easy integration with external circuitry or user interfaces.

Advantages and Disadvantages

Advantages

• High charging efficiency ensures maximum power transfer.
• Fast charging capability reduces charging time.
• Multiple safety mechanisms protect against overcharging and overheating.
• Wide input voltage range enhances compatibility with various power sources.

Disadvantages

• The LTC4006EGN-2#TRPBF requires an external microcontroller or control circuitry for optimal operation.
• Limited availability of alternative models from other manufacturers.

Working Principles

The LTC4006EGN-2#TRPBF operates based on the CC/CV charging algorithm commonly used for lithium-ion battery charging. It regulates the charging current in the constant current mode until the battery voltage reaches the programmed termination voltage. Then, it switches to the constant voltage mode, maintaining a steady voltage while reducing the charging current. This approach ensures efficient and safe charging of lithium-ion batteries.

Detailed Application Field Plans

The LTC4006EGN-2#TRPBF finds extensive application in various electronic devices that utilize lithium-ion batteries. Some notable application fields include:

1. Smartphones and Tablets: Enables fast and efficient charging of mobile devices, ensuring extended battery life and reduced charging time.
2. Laptops and Ultrabooks: Provides reliable and safe charging for portable computers, enhancing user convenience and productivity.
3. Portable Power Banks: Facilitates