LTC4012CUF-3#TRPBF

Product Overview

Category

The LTC4012CUF-3#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, making it suitable for a wide range of portable electronic devices such as smartphones, tablets, and laptops.

Characteristics

• Integrated circuit designed for battery charging
• Specifically optimized for lithium-ion batteries
• High efficiency charging algorithm
• Wide input voltage range
• Programmable charge current and voltage
• Temperature compensation for optimal charging performance

Package

The LTC4012CUF-3#TRPBF is available in a compact 24-pin QFN package, which ensures easy integration into various electronic devices.

Essence

The essence of the LTC4012CUF-3#TRPBF lies in its ability to efficiently and safely charge lithium-ion batteries, extending their lifespan and optimizing their performance.

Packaging/Quantity

This product is typically sold in reels containing a specified quantity of units. The exact packaging and quantity may vary depending on the supplier or distributor.

Specifications

• Input Voltage Range: 4.5V to 32V
• Charge Current Range: 10mA to 2A
• Charge Voltage Range: 2.5V to 26V
• Operating Temperature Range: -40°C to 85°C
• Package Type: 24-pin QFN

Detailed Pin Configuration

1. VCC: Power supply input
2. GND: Ground reference
3. PROG: Programming pin for setting charge current and voltage
4. TS: Temperature sense input
5. BAT: Battery connection terminal
6. STAT: Status output pin
7. FLT: Fault indicator output
8. ISET: Current limit programming pin
9. TIMER: Timer programming pin
10. SCL: Serial clock input for I2C communication
11. SDA: Serial data input/output for I2C communication
12. INTVCC: Internal voltage reference output
13. VREF: Voltage reference output
14. VBAT: Battery voltage sense input
15. ILIM: Current limit sense input
16. TMR: Timer sense input
17. CHRG: Charge status indicator output
18. CE: Chip enable input
19. PGND: Power ground reference
20. BAT: Battery connection terminal
21. STAT: Status output pin
22. FLT: Fault indicator output
23. ISET: Current limit programming pin
24. TIMER: Timer programming pin

Functional Features

• High-efficiency charging algorithm ensures fast and reliable charging of lithium-ion batteries.
• Wide input voltage range allows compatibility with various power sources.
• Programmable charge current and voltage provide flexibility for different battery types and capacities.
• Temperature compensation feature optimizes charging performance under varying temperature conditions.
• Integrated fault indicators and status outputs enhance system monitoring and diagnostics.

Advantages and Disadvantages

Advantages

• Efficient and reliable charging of lithium-ion batteries
• Wide input voltage range for versatile applications
• Programmable charge current and voltage for flexibility
• Temperature compensation for optimal charging performance
• Integrated fault indicators and status outputs for enhanced monitoring

Disadvantages

• Limited to charging lithium-ion batteries only
• Requires additional external components for complete charging system implementation

Working Principles

The LTC4012CUF-3#TRPBF operates based on a sophisticated charging algorithm specifically designed for lithium-ion batteries. It utilizes programmable charge current and voltage settings to ensure safe and efficient charging. The integrated temperature compensation feature adjusts the charging parameters according to the battery's temperature, optimizing the charging process. The device also provides fault indicators and status outputs for system monitoring and diagnostics.

Detailed Application Field Plans

The LTC4012CUF-3#TRPBF finds extensive application in various portable electronic devices, including but not limited to: - Smartphones - Tablets - Laptops - Portable gaming consoles - Digital cameras - Portable medical devices

Detailed and Complete Alternative Models

1. LTC4000-1: Integrated circuit for lithium-ion battery charging with additional power path management features.
2. MCP73871: Standalone linear charge management controller for single-cell lithium-ion batteries.
3. BQ24075: Highly integrated standalone linear charger for single-cell lithium-ion batteries.

These alternative models offer similar functionality and can be considered as alternatives to the LTC4012CUF-3#TRPBF depending on specific requirements and design considerations.

In conclusion, the LTC4012CUF-3#TRPBF is a highly efficient and versatile integrated circuit designed for charging lithium-ion batteries. Its programmable features, temperature compensation, and fault indicators make it an ideal choice for a wide range of portable electronic devices.