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LTC4120EUD-4.2#TRPBF
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LTC4120EUD-4.2#TRPBF

Product Overview

Category

The LTC4120EUD-4.2#TRPBF belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This product is primarily used for wireless power transfer applications, enabling efficient charging of batteries in various devices wirelessly.

Characteristics

The LTC4120EUD-4.2#TRPBF is known for its high efficiency and versatility in wireless power transfer. It offers a wide input voltage range and supports multiple charging modes, making it suitable for a variety of battery-powered devices.

Package

The LTC4120EUD-4.2#TRPBF comes in a small 12-pin DFN (Dual Flat No-Lead) package, which ensures compactness and ease of integration into different electronic systems.

Essence

The essence of the LTC4120EUD-4.2#TRPBF lies in its ability to efficiently transfer power wirelessly, eliminating the need for physical connectors or cables for charging batteries.

Packaging/Quantity

This product is typically available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 4V to 19V
  • Output Voltage: 4.2V
  • Charging Current: Up to 400mA
  • Efficiency: Up to 80%
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground reference pin
  3. VOUT: Output voltage pin
  4. BAT: Battery connection pin
  5. PROG: Programming pin for setting charging current
  6. EN: Enable pin for controlling device operation
  7. FLT: Fault indicator pin
  8. TS: Temperature sense pin
  9. ISET: Current limit setting pin
  10. NTC: Negative temperature coefficient pin for thermal management
  11. NC: No connection pin
  12. NC: No connection pin

Functional Features

  • Wireless power transfer with high efficiency
  • Wide input voltage range for compatibility with various power sources
  • Multiple charging modes (constant current, constant voltage) for optimal battery charging
  • Integrated fault detection and protection mechanisms
  • Thermal management through temperature sensing and control

Advantages and Disadvantages

Advantages

  • Enables convenient wireless charging of batteries
  • High efficiency results in reduced power loss during charging
  • Versatile and compatible with a wide range of devices
  • Integrated fault detection ensures safe operation
  • Compact package allows for easy integration into different systems

Disadvantages

  • Limited charging current capacity compared to some other power management ICs
  • Requires additional components for complete wireless charging system implementation

Working Principles

The LTC4120EUD-4.2#TRPBF operates based on the principles of resonant inductive coupling. It uses an external coil to create a magnetic field, which is then received by another coil in the target device. This magnetic field induces a voltage in the receiving coil, which is rectified and used to charge the battery.

The IC regulates the power transfer process by controlling the frequency and amplitude of the magnetic field. It also monitors the charging status and adjusts the charging mode accordingly to ensure efficient and safe battery charging.

Detailed Application Field Plans

The LTC4120EUD-4.2#TRPBF finds applications in various fields, including:

  1. Consumer Electronics: Wireless charging pads for smartphones, smartwatches, and other portable devices.
  2. Medical Devices: Implantable medical devices that require wireless charging for battery replenishment.
  3. Automotive: Electric vehicle charging systems that utilize wireless power transfer technology.
  4. Industrial Automation: Wireless charging solutions for industrial equipment and sensors.

Detailed and Complete Alternative Models

  1. LTC4120EUD-4.2#PBF: Similar to LTC4120EUD-4.2#TRPBF, but with a different packaging option (12-pin DFN).
  2. LTC4120EUD-4.2#MPBF: Another variant with the same specifications but offered in a 16-pin QFN (Quad Flat No-Lead) package.
  3. LTC4120EUD-4.2#PBF-ND: A version available in a bulk packaging option, suitable for high-volume production.

These alternative models provide flexibility in choosing the most suitable package or quantity options based on specific application requirements.

In conclusion, the LTC4120EUD-4.2#TRPBF is a versatile power management IC designed for wireless power transfer applications. Its high efficiency, wide input voltage range, and integrated features make it an ideal choice for various battery-powered devices. While it has some limitations in terms of charging current capacity, its advantages outweigh the disadvantages, making it

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LTC4120EUD-4.2#TRPBF i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of LTC4120EUD-4.2#TRPBF in technical solutions:

  1. Q: What is the LTC4120EUD-4.2#TRPBF? A: The LTC4120EUD-4.2#TRPBF is a wireless power receiver IC designed for applications that require wireless charging.

  2. Q: What is the input voltage range of the LTC4120EUD-4.2#TRPBF? A: The input voltage range of the LTC4120EUD-4.2#TRPBF is typically between 4.5V and 19V.

  3. Q: What is the output voltage of the LTC4120EUD-4.2#TRPBF? A: The LTC4120EUD-4.2#TRPBF provides a fixed output voltage of 4.2V.

  4. Q: Can the LTC4120EUD-4.2#TRPBF be used for wireless charging of mobile devices? A: Yes, the LTC4120EUD-4.2#TRPBF can be used for wireless charging of various mobile devices such as smartphones and tablets.

  5. Q: Does the LTC4120EUD-4.2#TRPBF support fast charging? A: Yes, the LTC4120EUD-4.2#TRPBF supports fast charging protocols such as Qi and PMA.

  6. Q: What is the maximum output current of the LTC4120EUD-4.2#TRPBF? A: The LTC4120EUD-4.2#TRPBF can provide a maximum output current of up to 400mA.

  7. Q: Can the LTC4120EUD-4.2#TRPBF be used in automotive applications? A: Yes, the LTC4120EUD-4.2#TRPBF is suitable for automotive applications that require wireless charging.

  8. Q: Does the LTC4120EUD-4.2#TRPBF have built-in protection features? A: Yes, the LTC4120EUD-4.2#TRPBF includes various protection features such as overvoltage and overcurrent protection.

  9. Q: What is the efficiency of the LTC4120EUD-4.2#TRPBF? A: The LTC4120EUD-4.2#TRPBF has a high efficiency of up to 80% during wireless power transfer.

  10. Q: Are there any evaluation boards available for the LTC4120EUD-4.2#TRPBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards for the LTC4120EUD-4.2#TRPBF to facilitate testing and development.

Please note that these answers are based on general information about the LTC4120EUD-4.2#TRPBF and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and consult with technical experts for accurate and detailed information.