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LTC4162EUFD-SAD#TRPBF
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LTC4162EUFD-SAD#TRPBF

Product Overview

Category

The LTC4162EUFD-SAD#TRPBF belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This product is primarily used for charging lithium-ion batteries in various electronic devices such as smartphones, tablets, portable media players, and other portable electronic devices.

Characteristics

  • High efficiency: The LTC4162EUFD-SAD#TRPBF offers high charging efficiency, ensuring optimal use of power during the charging process.
  • Fast charging capability: This IC supports fast charging protocols, allowing for quick and efficient charging of lithium-ion batteries.
  • Wide input voltage range: The LTC4162EUFD-SAD#TRPBF can operate with a wide input voltage range, making it suitable for various power sources.
  • Advanced safety features: This product incorporates advanced safety features to protect the battery from overcharging, overcurrent, and overheating.

Package

The LTC4162EUFD-SAD#TRPBF is available in a small form factor package, known as a 24-pin QFN (Quad Flat No-Lead) package. This package ensures easy integration into compact electronic devices.

Essence

The essence of the LTC4162EUFD-SAD#TRPBF lies in its ability to efficiently charge lithium-ion batteries while providing advanced safety features.

Packaging/Quantity

This product is typically sold in reels or tubes containing a specific quantity of units per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

  • Input Voltage Range: 4V to 38V
  • Charging Current: Up to 3A
  • Charging Voltage: Programmable up to 4.2V
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to 85°C
  • Control Interface: I2C

Detailed Pin Configuration

The LTC4162EUFD-SAD#TRPBF features a 24-pin QFN package with the following pin configuration:

  1. VIN: Input voltage
  2. GND: Ground
  3. VBAT: Battery voltage
  4. TS: Temperature sense input
  5. INTVCC: Internal voltage supply
  6. SDA: I2C data line
  7. SCL: I2C clock line
  8. IRQ: Interrupt request output
  9. STAT: Status output
  10. PROG: Programming pin
  11. BATFET: Battery FET control
  12. ILIM: Current limit programming
  13. VOUT: Output voltage
  14. PGND: Power ground
  15. VREF: Reference voltage
  16. VSENSE: Sense resistor connection
  17. SRN: Sense resistor negative terminal
  18. SRP: Sense resistor positive terminal
  19. VCC: Supply voltage
  20. FLT: Fault indicator
  21. CE: Chip enable
  22. REG: Regulator output
  23. NC: No connect
  24. NC: No connect

Functional Features

  • Battery charging control: The LTC4162EUFD-SAD#TRPBF provides precise control over the charging process, ensuring optimal battery performance and longevity.
  • Programmable charging parameters: This IC allows for programmable charging voltage and current limits, enabling customization based on specific battery requirements.
  • Thermal regulation: The device incorporates thermal regulation to prevent overheating during the charging process, enhancing safety and reliability.
  • I2C interface: The LTC4162EUFD-SAD#TRPBF features an I2C interface for easy communication and control with other system components.

Advantages and Disadvantages

Advantages

  • High charging efficiency ensures maximum use of power.
  • Fast charging capability reduces charging time.
  • Wide input voltage range allows for versatile power source compatibility.
  • Advanced safety features protect the battery from damage.

Disadvantages

  • Requires additional components for a complete charging solution.
  • Complex pin configuration may require careful PCB layout design.

Working Principles

The LTC4162EUFD-SAD#TRPBF operates based on a switching regulator architecture. It utilizes a high-frequency switching circuit to convert the input voltage into a regulated output voltage suitable for charging lithium-ion batteries. The device incorporates various control mechanisms to ensure precise and safe charging, including current and voltage regulation, thermal management, and fault detection.

Detailed Application Field Plans

The LTC4162EUFD-SAD#TRPBF is widely used in portable electronic devices that rely on lithium-ion batteries for power. Some common application fields include:

  1. Smartphones and tablets: This IC is commonly found in smartphones and tablets to facilitate fast and efficient charging of their built-in lithium-ion batteries.
  2. Portable media players: Devices such as MP3 players and portable gaming consoles utilize the LTC4162EUFD-SAD#TRPBF for battery charging purposes. 3

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LTC4162EUFD-SAD#TRPBF i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of LTC4162EUFD-SAD#TRPBF in technical solutions:

  1. Q: What is the LTC4162EUFD-SAD#TRPBF? A: The LTC4162EUFD-SAD#TRPBF is a high-efficiency, multi-chemistry battery charger controller with PowerPath™ and I2C interface.

  2. Q: What types of batteries can be charged using LTC4162EUFD-SAD#TRPBF? A: The LTC4162EUFD-SAD#TRPBF supports charging of various battery chemistries, including Li-Ion, LiFePO4, and lead-acid batteries.

  3. Q: How does the PowerPath feature work in LTC4162EUFD-SAD#TRPBF? A: The PowerPath feature allows the device to seamlessly switch between input power sources (e.g., wall adapter or USB) and the battery, ensuring uninterrupted power supply to the load.

  4. Q: Can LTC4162EUFD-SAD#TRPBF charge multiple batteries simultaneously? A: Yes, the LTC4162EUFD-SAD#TRPBF can charge multiple batteries in parallel, provided they have compatible voltage and chemistry requirements.

  5. Q: Does LTC4162EUFD-SAD#TRPBF support fast charging? A: Yes, the LTC4162EUFD-SAD#TRPBF supports fast charging by utilizing advanced charging algorithms and adjustable charging parameters.

  6. Q: Is it possible to monitor the charging process using LTC4162EUFD-SAD#TRPBF? A: Absolutely! The LTC4162EUFD-SAD#TRPBF features an I2C interface that allows for real-time monitoring of charging status, battery voltage, current, and temperature.

  7. Q: Can LTC4162EUFD-SAD#TRPBF be used in portable devices? A: Yes, the LTC4162EUFD-SAD#TRPBF is designed for use in portable devices and offers a compact form factor and low power consumption.

  8. Q: What are the safety features of LTC4162EUFD-SAD#TRPBF? A: The LTC4162EUFD-SAD#TRPBF incorporates various safety features such as overvoltage protection, overcurrent protection, thermal shutdown, and battery temperature monitoring.

  9. Q: Does LTC4162EUFD-SAD#TRPBF support USB Type-C Power Delivery (PD)? A: No, the LTC4162EUFD-SAD#TRPBF does not support USB Type-C PD. It is primarily designed for traditional USB charging applications.

  10. Q: Are there any evaluation boards or reference designs available for LTC4162EUFD-SAD#TRPBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs that can help users quickly prototype and implement LTC4162EUFD-SAD#TRPBF in their applications.

Please note that the answers provided here are general and may vary depending on specific application requirements. It is always recommended to refer to the device datasheet and application notes for detailed information.