LTC4162EUFD-L41M#TRPBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Battery Charger
• Characteristics: High Efficiency, Wide Input Voltage Range, Programmable Charging Parameters
• Package: 4x5mm QFN-28
• 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
• Termination Current: Programmable
• Float Voltage: Programmable
• Battery Temperature Monitoring: Yes
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The LTC4162EUFD-L41M#TRPBF has a total of 28 pins. The pin configuration is as follows:

1. VIN: Input Voltage
2. GND: Ground
3. VBAT: Battery Voltage
4. ISET: Charge Current Set
5. TS: Battery Temperature Sense
6. PROG: Programming Pin
7. INTVCC: Internal Regulator Output
8. VOUT: Output Voltage
9. PGND: Power Ground
10. BATFLT: Battery Fault Indicator
11. STAT: Status Indicator
12. CE: Chip Enable
13. SDA: I2C Data Line
14. SCL: I2C Clock Line
15. NC: No Connection
16. NC: No Connection
17. NC: No Connection
18. NC: No Connection
19. NC: No Connection
20. NC: No Connection
21. NC: No Connection
22. NC: No Connection
23. NC: No Connection
24. NC: No Connection
25. NC: No Connection
26. NC: No Connection
27. NC: No Connection
28. NC: No Connection

Functional Features

• High Efficiency Charging: The LTC4162EUFD-L41M#TRPBF offers high efficiency charging for various battery chemistries, ensuring optimal power transfer.
• Wide Input Voltage Range: With an input voltage range of 4.5V to 35V, this IC can be used in a wide range of applications.
• Programmable Charging Parameters: The charge current, termination current, and float voltage can be programmed to suit specific battery requirements.
• Battery Temperature Monitoring: The IC includes a temperature sense pin for monitoring the battery temperature during charging.

Advantages and Disadvantages

Advantages

• High efficiency charging ensures maximum power transfer.
• Wide input voltage range allows for versatile use.
• Programmable charging parameters provide flexibility.
• Battery temperature monitoring enhances safety during charging.

Disadvantages

• Limited availability of alternative models.
• Requires additional external components for complete battery charging solution.

Working Principles

The LTC4162EUFD-L41M#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 control mechanisms to ensure efficient and safe charging. It monitors the battery temperature and adjusts the charging parameters accordingly. The programmable features allow customization based on the specific battery chemistry and capacity.

Detailed Application Field Plans

The LTC4162EUFD-L41M#TRPBF is widely used in portable electronic devices, such as smartphones, tablets, and wearable devices. It is also utilized in industrial applications where battery-powered systems require efficient and reliable charging. Some specific application fields include:

1. Consumer Electronics: Smartphones, Tablets, Laptops
2. Wearable Devices: Smartwatches, Fitness Trackers
3. Industrial Equipment: Handheld Testers, Portable Measurement Devices
4. Medical Devices: Portable Monitors, Diagnostic Tools
5. Automotive: Battery Management Systems

Detailed and Complete Alternative Models

While the LTC4162EUFD-L41M#TRPBF is a highly capable battery charger IC, there are alternative models available in the market that offer similar functionalities. Some of the notable alternatives include:

1. MAX8903A: Integrated Battery Charger with Programmable Parameters
2. BQ24195: High-Efficiency Battery Charger IC with Wide Input Voltage Range
3. LT3652: Multi-Chemistry Battery Charger with Temperature Monitoring

These alternative models can be considered based on specific application requirements and availability.

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