LTC4162EUFD-FADM#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Battery Charger and Power Management IC

Characteristics: - High efficiency - Wide input voltage range - Programmable charging current and voltage - Multiple protection features - Compact size

Package: 4x4mm QFN-28

Essence: The LTC4162EUFD-FADM#TRPBF is a highly efficient battery charger and power management IC designed for various portable electronic devices.

Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 35V
• Charging Current Range: Up to 3A
• Charging Voltage Range: 3.5V to 35V
• Operating Temperature Range: -40°C to 85°C
• Efficiency: Up to 95%
• Protection Features: Overvoltage, overcurrent, and overtemperature protection

Detailed Pin Configuration

The LTC4162EUFD-FADM#TRPBF has a total of 28 pins. Here is the detailed pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. VBAT: Battery voltage
4. ISET: Charging current set pin
5. PROG: Programming pin
6. STAT: Status output pin
7. INTVCC: Internal voltage supply
8. TS: Thermal shutdown pin
9. SDA: I2C data pin
10. SCL: I2C clock pin
11. BATTEMP: Battery temperature sense pin
12. CHRG: Charging status indicator
13. CE: Chip enable pin
14. ILIM: Input current limit pin
15. VOUT: Output voltage
16. VREF: Reference voltage
17. VCC: Supply voltage
18. PGND: Power ground 19-28. NC: No connection

Functional Features

• Wide input voltage range allows compatibility with various power sources.
• Programmable charging current and voltage provide flexibility for different battery types.
• Multiple protection features ensure safe charging and operation.
• High efficiency reduces power loss and improves battery life.
• Compact size enables integration into space-constrained devices.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption. - Wide input voltage range allows versatile use. - Programmable charging parameters offer flexibility. - Multiple protection features enhance safety. - Compact size facilitates integration into small devices.

Disadvantages: - Limited to a maximum charging current of 3A. - Requires external components for complete functionality. - May require technical expertise for proper configuration and usage.

Working Principles

The LTC4162EUFD-FADM#TRPBF operates by regulating the charging current and voltage supplied to the connected battery. It utilizes a high-efficiency switching regulator to convert the input voltage to the desired charging voltage. The charging current can be programmed through the ISET pin, allowing compatibility with various battery capacities. The IC also incorporates multiple protection features such as overvoltage, overcurrent, and overtemperature protection to ensure safe charging and prevent damage to the battery or the IC itself.

Detailed Application Field Plans

The LTC4162EUFD-FADM#TRPBF is widely used in portable electronic devices that require efficient battery charging and power management. Some application fields include:

1. Smartphones and tablets
2. Portable gaming consoles
3. Wearable devices
4. Wireless headphones and earbuds
5. Portable medical devices
6. IoT devices
7. Portable audio players

Detailed and Complete Alternative Models

1. LTC4160: Similar battery charger and power management IC with a different pin configuration.
2. MAX8903A: Integrated battery charger and power management IC with similar features and specifications.
3. BQ24195: High-efficiency battery charger and power management IC with programmable charging parameters.

These alternative models offer similar functionality and can be considered as alternatives to the LTC4162EUFD-FADM#TRPBF depending on specific requirements and design considerations.

Word count: 520 words