LTC4162IUFD-SADM#TRPBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Battery Charger
• Characteristics: High Efficiency, Wide Input Voltage Range, Programmable Charging Parameters
• Package: 32-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
• Operating Temperature Range: -40°C to 85°C
• Efficiency: Up to 95%
• Battery Chemistry Support: Li-Ion, LiFePO4, NiMH, and NiCd

Pin Configuration

The LTC4162IUFD-SADM#TRPBF has a total of 32 pins. The pin configuration is as follows:

1. VIN: Input Voltage
2. GND: Ground
3. VREF: Reference Voltage Output
4. ISET: Charge Current Programming
5. STAT: Status Indicator Output
6. TS: Thermistor Input
7. BAT: Battery Connection
8. INTVCC: Internal Supply Voltage
9. SDA: I2C Serial Data Input/Output
10. SCL: I2C Serial Clock Input
11. PGOOD: Power Good Indicator Output
12. CE: Chip Enable Input
13. ILIM: Input Current Limit Programming
14. VOUT: Output Voltage
15. SW: Switch Node Connection
16. SS: Soft-Start Programming
17. COMP: Compensation Node
18. FB: Feedback Node
19. VCC: Supply Voltage
20. GATE: Gate Driver Output

Functional Features

• High Efficiency Charging: The LTC4162IUFD-SADM#TRPBF offers high charging efficiency, minimizing power loss during the charging process.
• Wide Input Voltage Range: It supports a wide input voltage range of 4.5V to 35V, making it suitable for various power sources.
• Programmable Charging Parameters: Users can program the charge current and voltage according to their specific battery requirements.
• Battery Chemistry Support: It is compatible with multiple battery chemistries including Li-Ion, LiFePO4, NiMH, and NiCd.
• Integrated Safety Features: The IC incorporates safety features such as thermal shutdown, reverse battery protection, and overvoltage protection.

Advantages and Disadvantages

Advantages: - High charging efficiency - Wide input voltage range - Programmable charging parameters - Compatibility with multiple battery chemistries - Integrated safety features

Disadvantages: - Limited to battery charging applications only - Requires knowledge of battery chemistry and programming parameters

Working Principles

The LTC4162IUFD-SADM#TRPBF operates as a switching battery charger. It utilizes a high-efficiency synchronous buck topology to regulate the charging process. The IC monitors the battery voltage, current, and temperature to ensure safe and efficient charging. It also provides programmable options for charge current and voltage, allowing customization based on the specific battery requirements.

Detailed Application Field Plans

The LTC4162IUFD-SADM#TRPBF finds applications in various fields, including: 1. Portable Electronics: It can be used to charge batteries in smartphones, tablets, portable speakers, and other portable electronic devices. 2. Industrial Equipment: The IC is suitable for charging batteries in industrial equipment such as handheld tools, measurement instruments, and wireless sensors. 3. Automotive: It can be employed in electric vehicles, hybrid vehicles, and charging stations for efficient battery charging. 4. Renewable Energy Systems: The IC can be integrated into solar-powered systems and energy storage solutions to charge batteries efficiently.

Detailed and Complete Alternative Models

1. LTC4162IUFD-4.2#TRPBF: Similar to LTC4162IUFD-SADM#TRPBF but with a fixed charge voltage of 4.2V.
2. LTC4162IUFD-5#TRPBF: Similar to LTC4162IUFD-SADM#TRPBF but with a fixed charge voltage of 5V.
3. LTC4162IUFD-ADJ#TRPBF: Similar to LTC4162IUFD-SADM#TRPBF but with an adjustable charge voltage range.

These alternative models offer similar functionality with slight variations in charge voltage options.

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