LTC4162EUFD-FST#TRPBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Battery Charger
• Characteristics: High Efficiency, Wide Input Voltage Range, Programmable Charging Parameters
• Package: 24-Lead QFN (Quad Flat No-Lead)
• Essence: Power Management IC for Battery Charging Applications
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 35V
• Charge Current Range: Up to 3A
• Programmable Charge Voltage: 4.1V to 20V
• Programmable Charge Termination Current: 0.1% to 10% of Charge Current
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LTC4162EUFD-FST#TRPBF has a total of 24 pins. The pin configuration is as follows:

1. VIN: Input Voltage
2. GND: Ground
3. VOUT: Output Voltage
4. ISET: Charge Current Set
5. TS: Thermal Shutdown
6. STAT: Status Indicator
7. INTVCC: Internal Voltage Regulator
8. SDA: I2C Serial Data
9. SCL: I2C Serial Clock
10. BAT: Battery Connection
11. PROG: Programming Pin
12. CE: Chip Enable
13. ILIM: Input Current Limit
14. NTC: Negative Temperature Coefficient
15. VREF: Reference Voltage
16. VSENSE: Sense Voltage
17. VBAT: Battery Voltage
18. VCC: Supply Voltage
19. PGND: Power Ground
20. PGOOD: Power Good Indicator
21. FLT: Fault Indicator
22. FREQ: Frequency Set
23. SS: Soft-Start
24. FB: Feedback

Functional Features

• Wide Input Voltage Range allows for versatile applications.
• High Efficiency ensures minimal power loss during charging.
• Programmable Charging Parameters provide flexibility in charge voltage and termination current settings.
• Integrated Thermal Shutdown protects the IC from overheating.
• I2C Serial Interface enables communication with external devices for advanced control.

Advantages and Disadvantages

Advantages: - Wide input voltage range accommodates various power sources. - High efficiency reduces energy waste. - Programmable charging parameters offer customization options. - Integrated thermal shutdown enhances safety. - I2C serial interface enables advanced control and monitoring.

Disadvantages: - Limited to battery charging applications. - Requires additional components for complete charging system implementation.

Working Principles

The LTC4162EUFD-FST#TRPBF is a power management IC designed specifically for battery charging applications. It operates by converting the input voltage into a regulated output voltage suitable for charging batteries. The IC incorporates various features such as programmable charging parameters, thermal shutdown, and an I2C serial interface for enhanced control and monitoring capabilities.

When connected to a power source, the LTC4162EUFD-FST#TRPBF regulates the input voltage and delivers a controlled current to the connected battery. The charging parameters can be programmed to suit specific battery requirements, allowing for optimal charging performance. The integrated thermal shutdown feature protects the IC from excessive heat, ensuring safe operation.

Detailed Application Field Plans

The LTC4162EUFD-FST#TRPBF finds applications in various fields, including:

1. Portable Electronics: Enables efficient and reliable battery charging for smartphones, tablets, and other portable devices.
2. Automotive: Facilitates the charging of electric vehicle batteries, ensuring optimal performance and extended battery life.
3. Industrial Equipment: Provides a robust charging solution for batteries used in industrial machinery and equipment.
4. Renewable Energy Systems: Supports the charging of batteries in solar power systems, ensuring efficient energy storage.

Detailed and Complete Alternative Models

1. LTC4162EUFD-TRPBF: Similar to LTC4162EUFD-FST#TRPBF but without the Fault Indicator pin (FLT).
2. LTC4162EUFD-TRMPBF: Same features as LTC4162EUFD-FST#TRPBF but with a different package (24-Lead QFN with exposed pad).

These alternative models offer similar functionality and can be considered as replacements for the LTC4162EUFD-FST#TRPBF depending on specific requirements.

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