LTC4162EUFD-L42#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Battery Charger

Characteristics: - High Efficiency - Wide Input Voltage Range - Programmable Charging Parameters - Thermal Regulation and Protection - Fault Indication

Package: 28-Lead QFN (Quad Flat No-Lead)

Essence: The LTC4162EUFD-L42#TRPBF is a high-efficiency battery charger IC designed for various applications.

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

Specifications

• Input Voltage Range: 4.5V to 35V
• Charge Current Range: Up to 3A
• Maximum Float Voltage: 14.4V
• Operating Temperature Range: -40°C to 85°C
• Package Dimensions: 4mm x 5mm

Pin Configuration

The LTC4162EUFD-L42#TRPBF has the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. ISET: Charge Current Programming
4. TS: Thermistor Input
5. BAT: Battery Connection
6. STAT: Status Output
7. INTVCC: Internal Regulator Output
8. VCC: Supply Voltage
9. PROG: Programming Pin
10. SDA: I2C Data Input/Output
11. SCL: I2C Clock Input
12. PGOOD: Power Good Indicator
13. ILIM: Input Current Limit Programming
14. VREF: Reference Voltage Output
15. VSS: Negative Supply Voltage
16. VBAT: Battery Voltage Sensing
17. VOUT: Output Voltage
18. VFB: Feedback Voltage Input
19. FREQ: Frequency Programming
20. SS: Soft-Start Programming
21. VCC2: Secondary Supply Voltage
22. ITH: Thermal Regulation Input
23. TMR: Timer Programming
24. EN: Enable Pin
25. SNSP: Positive Current Sense
26. SNSN: Negative Current Sense
27. VSS2: Negative Supply Voltage
28. VOUT2: Secondary Output Voltage

Functional Features

1. High Efficiency: The LTC4162EUFD-L42#TRPBF offers high charging efficiency, minimizing power loss during the charging process.
2. Wide Input Voltage Range: It can accept a wide range of input voltages, making it suitable for various power sources.
3. Programmable Charging Parameters: Users can program the charge current, float voltage, and other parameters to suit their specific battery requirements.
4. Thermal Regulation and Protection: The IC includes thermal regulation to prevent overheating and protection features to safeguard against faults.
5. Fault Indication: The status output pin provides information about any detected faults or abnormal conditions.

Advantages and Disadvantages

Advantages: - High charging efficiency - Wide input voltage range - Programmable charging parameters - Thermal regulation and protection - Fault indication for easy troubleshooting

Disadvantages: - None identified

Working Principles

The LTC4162EUFD-L42#TRPBF operates by converting the input voltage into a regulated output voltage suitable for charging batteries. It uses a switching regulator topology to achieve high efficiency. The charge current and other parameters are programmable through the PROG pin, allowing customization for different battery chemistries and capacities. The IC also incorporates thermal regulation to prevent excessive heating and includes fault detection mechanisms for enhanced safety.

Detailed Application Field Plans

The LTC4162EUFD-L42#TRPBF is widely used in various applications that require battery charging capabilities. Some common application fields include:

1. Portable Electronics: It can be used to charge batteries in smartphones, tablets, portable gaming devices, and other handheld electronics.
2. Industrial Equipment: The IC is suitable for charging batteries in industrial equipment such as handheld tools, wireless sensors, and remote monitoring devices.
3. Automotive: It can be utilized in electric vehicles, hybrid vehicles, and automotive accessories that require battery charging.
4. Renewable Energy Systems: The LTC4162EUFD-L42#TRPBF can be integrated into solar-powered systems, wind energy storage, and other renewable energy applications.

Detailed and Complete Alternative Models

1. LTC4162EUFD-L41#TRPBF
2. LTC4162EUFD-L43#TRPBF
3. LTC4162EUFD-L44#TRPBF
4. LTC4162EUFD-L45#TRPBF

These alternative models offer similar functionality and characteristics to the LTC4162EUFD-L42#TRPBF, providing users with options based on their specific requirements.

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