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P9028A-0NBGI
Basic Information Overview
- Category: Wireless Charging IC
- Use: Enables wireless charging of electronic devices
- Characteristics:
- High efficiency charging
- Compact package size
- Supports various charging protocols
- Package: QFN (Quad Flat No-Lead)
- Essence: Facilitates convenient and efficient wireless charging
- Packaging/Quantity: Typically sold in reels of 2500 units
Specifications
- Input Voltage: 4.5V to 21V
- Output Voltage: 4.5V to 9V
- Maximum Output Current: 1.5A
- Operating Frequency: 110kHz to 205kHz
- Efficiency: Up to 85%
- Dimensions: 3mm x 3mm
Detailed Pin Configuration
The P9028A-0NBGI has the following pin configuration:
| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VDD | Power supply voltage input | | 2 | GND | Ground reference | | 3 | EN | Enable control input | | 4 | PG | Power good output | | 5 | TS | Thermal shutdown output | | 6 | SDA | I2C serial data input/output | | 7 | SCL | I2C serial clock input | | 8 | IRQ | Interrupt request output | | 9 | NC | No connection | | 10 | VOUT | Output voltage |
Functional Features
- Integrated full-bridge rectifier and synchronous buck converter for efficient power transfer
- Supports multiple wireless charging standards, including Qi and AirFuel
- Advanced foreign object detection (FOD) mechanism ensures safe charging
- Comprehensive thermal management system prevents overheating
- I2C interface allows for easy configuration and monitoring
Advantages and Disadvantages
Advantages
- High charging efficiency reduces charging time
- Compact package size enables integration into small devices
- Wide input voltage range provides flexibility in power source selection
- Supports various wireless charging protocols, ensuring compatibility with different devices
Disadvantages
- Limited maximum output current may not be suitable for high-power devices
- Requires additional external components for a complete wireless charging system
Working Principles
The P9028A-0NBGI operates based on the principle of inductive coupling. It consists of a transmitter and receiver circuit. The transmitter generates an alternating magnetic field, which induces a voltage in the receiver coil. This voltage is rectified and regulated to provide a stable output voltage for charging the device.
Detailed Application Field Plans
The P9028A-0NBGI is widely used in various electronic devices that support wireless charging. Some potential application fields include: - Smartphones and tablets - Wearable devices (smartwatches, fitness trackers) - Portable audio devices - Automotive applications (wireless charging pads in vehicles)
Detailed and Complete Alternative Models
- P9221-R: Similar wireless charging IC with higher maximum output current (up to 2.5A)
- P9038-R: Wireless charging IC with integrated microcontroller for advanced control features
- P9415-R: Wireless charging IC with extended input voltage range (4.5V to 28V)
Note: The alternative models mentioned above are just a few examples. There are several other alternatives available in the market.
This encyclopedia entry provides an overview of the P9028A-0NBGI wireless charging IC. It includes basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.
Seznam 10 běžných otázek a odpovědí souvisejících s aplikací P9028A-0NBGI v technických řešeních
Sure! Here are 10 common questions and answers related to the application of P9028A-0NBGI in technical solutions:
Q: What is P9028A-0NBGI? A: P9028A-0NBGI is a wireless power receiver IC that enables wireless charging in various electronic devices.
Q: What are the key features of P9028A-0NBGI? A: The key features of P9028A-0NBGI include high-efficiency power conversion, foreign object detection, thermal regulation, and support for multiple wireless charging standards.
Q: Which devices can benefit from P9028A-0NBGI? A: P9028A-0NBGI can be used in a wide range of devices such as smartphones, tablets, wearables, and other portable electronics that require wireless charging capabilities.
Q: How does P9028A-0NBGI achieve high-efficiency power conversion? A: P9028A-0NBGI utilizes advanced power management techniques like synchronous rectification and adaptive load control to maximize power transfer efficiency.
Q: Does P9028A-0NBGI support fast charging? A: Yes, P9028A-0NBGI supports various fast charging protocols such as Qualcomm Quick Charge and USB Power Delivery, enabling faster charging times for compatible devices.
Q: Can P9028A-0NBGI detect foreign objects on the charging pad? A: Yes, P9028A-0NBGI incorporates foreign object detection (FOD) technology to prevent charging when metallic objects or non-compatible devices are placed on the charging pad.
Q: How does P9028A-0NBGI regulate temperature during charging? A: P9028A-0NBGI includes thermal regulation features that monitor the temperature of the device and adjust the charging power to prevent overheating.
Q: What wireless charging standards does P9028A-0NBGI support? A: P9028A-0NBGI supports various industry-standard wireless charging protocols such as Qi, AirFuel, and Power Matters Alliance (PMA).
Q: Can P9028A-0NBGI be integrated into existing electronic designs? A: Yes, P9028A-0NBGI is designed for easy integration into new or existing electronic designs, offering flexibility and compatibility with different form factors.
Q: Are there any design considerations when using P9028A-0NBGI? A: Some design considerations include proper layout and placement of the receiver coil, optimizing the charging pad's alignment, and ensuring adequate thermal dissipation for efficient operation.
Please note that these answers are general and may vary depending on the specific implementation and requirements of the technical solution.