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LTC4121EUD#PBF
Product Overview
Category
LTC4121EUD#PBF belongs to the category of integrated circuits (ICs) used in power management.
Use
This product is primarily used for wireless power transfer applications, specifically for charging batteries wirelessly.
Characteristics
- Integrated circuit designed for wireless power transfer
- Supports efficient charging of batteries
- Provides a compact and reliable solution for wireless charging
Package
LTC4121EUD#PBF is available in a small 12-pin QFN package, which ensures easy integration into various electronic devices.
Essence
The essence of LTC4121EUD#PBF lies in its ability to enable wireless charging of batteries, eliminating the need for physical connectors and cables.
Packaging/Quantity
This product is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.
Specifications
- Input Voltage Range: 4V to 19V
- Output Voltage Range: 2.5V to 10V
- Maximum Charging Current: 400mA
- Operating Temperature Range: -40°C to 85°C
- Efficiency: Up to 80%
- Control Interface: I2C
Detailed Pin Configuration
- VIN: Input voltage pin
- GND: Ground pin
- VOUT: Output voltage pin
- SDA: I2C data pin
- SCL: I2C clock pin
- EN: Enable pin
- FLT: Fault indicator pin
- NC: No connection
- NC: No connection
- BAT: Battery connection pin
- NC: No connection
- NC: No connection
Functional Features
- Wireless power transfer capability
- Efficient battery charging
- I2C interface for control and monitoring
- Fault indicator for easy troubleshooting
Advantages and Disadvantages
Advantages
- Enables wireless charging, providing convenience and eliminating the need for physical connectors
- Compact size allows for easy integration into various electronic devices
- Efficient charging ensures optimal battery performance
- I2C interface enables control and monitoring of charging parameters
Disadvantages
- Limited maximum charging current (400mA)
- Requires compatible wireless charging receiver in the device being charged
Working Principles
LTC4121EUD#PBF operates based on the principle of resonant inductive coupling. It uses a high-frequency magnetic field to transfer power wirelessly between the transmitter (charging pad) and the receiver (device being charged). The integrated circuit efficiently converts the received power into a suitable voltage and current for charging the battery.
Detailed Application Field Plans
LTC4121EUD#PBF finds applications in various fields, including: 1. Consumer electronics: Wireless charging pads for smartphones, smartwatches, and other portable devices. 2. Automotive: Integration into electric vehicles for wireless charging of batteries. 3. Medical devices: Wireless charging solutions for implantable medical devices. 4. Industrial automation: Integration into wireless charging systems for industrial equipment.
Detailed and Complete Alternative Models
- LTC4120EUD#PBF: Similar to LTC4121EUD#PBF but with a higher maximum charging current of 800mA.
- LTC4123EUD#PBF: Offers additional features such as adjustable output voltage and temperature monitoring.
Note: This is not an exhaustive list, and there may be other alternative models available from different manufacturers.
In conclusion, LTC4121EUD#PBF is a compact and efficient integrated circuit designed for wireless power transfer and battery charging applications. Its ability to enable wireless charging provides convenience and eliminates the need for physical connectors. With its various features and specifications, it finds applications in consumer electronics, automotive, medical devices, and industrial automation.
10 domande e risposte comuni relative all'applicazione di LTC4121EUD#PBF nelle soluzioni tecniche
Sure! Here are 10 common questions and answers related to the application of LTC4121EUD#PBF in technical solutions:
Q1: What is LTC4121EUD#PBF? A1: LTC4121EUD#PBF is a specific model number for a power management IC (integrated circuit) developed by Linear Technology (now part of Analog Devices). It is designed for wireless power transfer applications.
Q2: What are the key features of LTC4121EUD#PBF? A2: The key features of LTC4121EUD#PBF include wireless power receiver, programmable output voltage, adjustable output current limit, and support for various wireless power standards.
Q3: How does LTC4121EUD#PBF work? A3: LTC4121EUD#PBF works by receiving wireless power from a compatible transmitter and converting it into a regulated DC output voltage. It uses a resonant tank circuit for efficient power transfer.
Q4: What are the typical applications of LTC4121EUD#PBF? A4: LTC4121EUD#PBF is commonly used in applications such as wireless charging pads, wearable devices, IoT (Internet of Things) devices, and other battery-powered systems that require wireless power transfer.
Q5: What is the input voltage range supported by LTC4121EUD#PBF? A5: LTC4121EUD#PBF supports an input voltage range of 4V to 19V, making it suitable for a wide range of power sources.
Q6: Can LTC4121EUD#PBF charge multiple devices simultaneously? A6: No, LTC4121EUD#PBF is designed to charge a single device at a time. It does not support simultaneous charging of multiple devices.
Q7: Does LTC4121EUD#PBF have any built-in safety features? A7: Yes, LTC4121EUD#PBF incorporates various safety features such as overvoltage protection, overcurrent protection, and thermal shutdown to ensure safe operation.
Q8: What is the maximum output current of LTC4121EUD#PBF? A8: The maximum output current of LTC4121EUD#PBF can be programmed up to 400mA, allowing it to charge a wide range of battery-powered devices.
Q9: Can LTC4121EUD#PBF operate in both transmitter and receiver modes? A9: No, LTC4121EUD#PBF is specifically designed for wireless power receiving applications. It cannot function as a wireless power transmitter.
Q10: Is LTC4121EUD#PBF compatible with industry-standard wireless power protocols? A10: Yes, LTC4121EUD#PBF is compatible with various industry-standard wireless power protocols such as Qi, PMA, and AirFuel Alliance, making it versatile for different wireless charging implementations.
Please note that these answers are general and may vary depending on specific application requirements and product documentation.