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LTC4120IUD-4.2
Product Overview
Category
The LTC4120IUD-4.2 belongs to the category of integrated circuits (ICs) and is specifically designed for wireless power transfer applications.
Use
This product is primarily used for wireless charging of devices such as smartphones, tablets, and other portable electronic devices.
Characteristics
- Integrated wireless power receiver
- Supports inductive charging
- High efficiency power conversion
- Wide input voltage range
- Adjustable output voltage
- Overvoltage and overcurrent protection
Package
The LTC4120IUD-4.2 comes in a small form factor 16-pin QFN package, which ensures easy integration into various electronic devices.
Essence
The essence of the LTC4120IUD-4.2 lies in its ability to wirelessly transfer power to rechargeable devices, eliminating the need for physical connectors or cables.
Packaging/Quantity
This product is typically packaged in reels and available in quantities suitable for both prototyping and mass production.
Specifications
- Input Voltage Range: 4V - 19V
- Output Voltage Range: 3.3V - 5.2V
- Maximum Output Current: 400mA
- Operating Frequency: 110kHz - 205kHz
- Efficiency: Up to 85%
- Standby Power Consumption: <1mW
Detailed Pin Configuration
- VIN: Input voltage pin
- GND: Ground pin
- VOUT: Output voltage pin
- EN: Enable pin
- PG: Power good indicator pin
- ISET: Current limit setting pin
- FREQ: Frequency selection pin
- BST: Boost capacitor connection pin
- SW: Switching node pin
- FB: Feedback pin
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
- NC: No connection
Functional Features
- Integrated full-bridge rectifier for efficient power conversion
- Automatic load detection and adjustment of output voltage
- Soft-start feature to minimize inrush current
- Thermal shutdown protection
- Fault indicator for easy troubleshooting
Advantages and Disadvantages
Advantages
- Enables convenient wireless charging
- Wide input voltage range allows compatibility with various power sources
- High efficiency ensures minimal power loss during charging
- Compact package size facilitates integration into small devices
- Comprehensive protection features enhance safety and reliability
Disadvantages
- Limited maximum output current may not be suitable for high-power devices
- Requires a compatible wireless charging pad or transmitter for operation
Working Principles
The LTC4120IUD-4.2 operates based on the principles of inductive power transfer. It utilizes a resonant tank circuit to generate an alternating magnetic field, which is then received by a compatible wireless charging receiver in the target device. The received energy is rectified and regulated to provide a stable DC output voltage for charging the device's battery.
Detailed Application Field Plans
The LTC4120IUD-4.2 can be applied in various fields, including: 1. Consumer electronics: Wireless charging for smartphones, tablets, smartwatches, etc. 2. Automotive: Integration into electric vehicles for wireless charging of batteries. 3. Medical devices: Wirelessly powering and charging implantable medical devices. 4. Industrial applications: Wireless charging for sensors, IoT devices, and wearable technology.
Detailed and Complete Alternative Models
- LTC4120IUD-4.1: Similar to LTC4120IUD-4.2 but with a different output voltage range.
- LTC4120IUD-5.0: Similar to LTC4120IUD-4.2 but with a higher maximum output current.
- LTC4120IUD-3.3: Similar to LTC4120IUD-4.2 but with a lower output voltage range.
These alternative models provide flexibility in selecting the appropriate product based on specific application requirements.
In conclusion, the LTC4120IUD-4.2 is an integrated circuit designed for wireless power transfer applications. Its compact size, high efficiency, and comprehensive protection features make it suitable for a wide range of consumer electronics, automotive, medical, and industrial applications. While it has limitations in terms of maximum output current, it offers the convenience and reliability of wireless charging technology.
Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi LTC4120IUD-4.2 dalam penyelesaian teknikal
Sure! Here are 10 common questions and answers related to the application of LTC4120IUD-4.2 in technical solutions:
Q: What is the LTC4120IUD-4.2? A: The LTC4120IUD-4.2 is a wireless power receiver IC designed for applications that require wireless charging.
Q: What is the input voltage range of the LTC4120IUD-4.2? A: The input voltage range of the LTC4120IUD-4.2 is typically between 4.5V and 19V.
Q: What is the output voltage of the LTC4120IUD-4.2? A: The LTC4120IUD-4.2 provides a regulated output voltage of 4.2V.
Q: Can the LTC4120IUD-4.2 be used for wireless charging of mobile devices? A: Yes, the LTC4120IUD-4.2 can be used for wireless charging of various mobile devices such as smartphones or tablets.
Q: What is the maximum output current of the LTC4120IUD-4.2? A: The LTC4120IUD-4.2 can provide a maximum output current of up to 400mA.
Q: Does the LTC4120IUD-4.2 support foreign object detection? A: Yes, the LTC4120IUD-4.2 includes built-in foreign object detection to ensure safe and efficient charging.
Q: Can the LTC4120IUD-4.2 be used in automotive applications? A: Yes, the LTC4120IUD-4.2 is suitable for automotive applications that require wireless charging capabilities.
Q: What is the efficiency of the LTC4120IUD-4.2? A: The LTC4120IUD-4.2 has a high efficiency of up to 80% during wireless power transfer.
Q: Does the LTC4120IUD-4.2 support overvoltage protection? A: Yes, the LTC4120IUD-4.2 includes overvoltage protection to safeguard the charging circuitry.
Q: Can the LTC4120IUD-4.2 be used in low-power IoT devices? A: Yes, the LTC4120IUD-4.2 is suitable for low-power IoT devices that require wireless charging capabilities.
Please note that these answers are general and may vary depending on specific application requirements and design considerations. It's always recommended to refer to the LTC4120IUD-4.2 datasheet and consult with technical experts for detailed information.