LTC4162IUFD-L42#PBF

Product Overview

Category

The LTC4162IUFD-L42#PBF belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

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

Characteristics

• Integrated circuit for battery charging
• Designed for lithium-ion batteries
• High efficiency charging
• Advanced battery management features
• Compact package size
• Wide input voltage range
• Multiple charging modes
• Programmable charging parameters

Package

The LTC4162IUFD-L42#PBF is available in a small form factor 38-Lead QFN (Quad Flat No-Lead) package. This package offers excellent thermal performance and ease of integration into various electronic devices.

Essence

The essence of the LTC4162IUFD-L42#PBF lies in its ability to efficiently charge and manage lithium-ion batteries, ensuring optimal performance and extended battery life for portable electronic devices.

Packaging/Quantity

This product is typically supplied in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Input Voltage Range: 4V to 35V
• Charging Current Range: Up to 3A
• Charging Termination Voltage: Programmable
• Charging Modes: Constant Current, Constant Voltage, and Trickle Charge
• Battery Temperature Monitoring
• Overvoltage and Overcurrent Protection
• Thermal Shutdown Protection
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

1. VIN: Input Voltage
2. GND: Ground
3. ISET: Charging Current Set
4. VBAT: Battery Voltage
5. TS: Battery Temperature Sense
6. PROG: Programming Pin
7. STAT: Charging Status Indicator
8. EN: Enable Pin
9. VOUT: Output Voltage
10. ILIM: Current Limit Set
11. INTVCC: Internal Voltage Regulator
12. SDA: I2C Serial Data
13. SCL: I2C Serial Clock
14. NC: No Connection

Functional Features

• High-efficiency battery charging
• Programmable charging parameters
• Battery temperature monitoring and protection
• Overvoltage and overcurrent protection
• Trickle charge mode for low battery conditions
• I2C interface for advanced control and monitoring
• Charging status indicator

Advantages and Disadvantages

Advantages

• Efficient charging and management of lithium-ion batteries
• Wide input voltage range allows compatibility with various power sources
• Compact package size enables integration into small electronic devices
• Advanced battery management features ensure optimal battery performance and longevity
• Programmable charging parameters offer flexibility for different battery types and applications

Disadvantages

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

Working Principles

The LTC4162IUFD-L42#PBF operates based on a switching regulator architecture combined with advanced battery charging algorithms. It regulates the input voltage, converts it to the required charging voltage, and delivers the appropriate charging current to the connected lithium-ion battery. The device continuously monitors the battery temperature, voltage, and current to ensure safe and efficient charging. It also provides various protection mechanisms to prevent overvoltage, overcurrent, and thermal issues.

Detailed Application Field Plans

The LTC4162IUFD-L42#PBF finds extensive application in portable electronic devices that utilize lithium-ion batteries. Some specific application fields include:

1. Smartphones and tablets
2. Portable media players
3. Wearable devices
4. Handheld gaming consoles
5. GPS navigation systems
6. Portable medical devices
7. Wireless communication devices

Detailed and Complete Alternative Models

1. LTC4162IUFD-L41#PBF: Similar to LTC4162IUFD-L42#PBF, but with different pin configuration.
2. LTC4162IUFD-L43#PBF: Similar to LTC4162IUFD-L42#PBF, but with higher charging current capability.
3. LTC4162IUFD-L44#PBF: Similar to LTC4162IUFD-L42#PBF, but with additional battery protection features.

These alternative models offer similar functionality and compatibility with lithium-ion battery charging applications, providing options for different design requirements and specifications.

In conclusion, the LTC4162IUFD-L42#PBF is a highly efficient integrated circuit designed for charging and managing lithium-ion batteries in various portable electronic devices. Its compact size, advanced battery management features, and wide input voltage range make it an ideal choice for battery charging applications.