Overview
The MWCT1001AVLH557 is a wireless power transmitter controller IC produced by NXP USA Inc. This component is designed to integrate all the necessary functions for a WPC (Wireless Power Consortium) "Qi" compliant wireless power transmitter. It is particularly suited for automotive applications, supporting a wide range of DC input voltages and various interface protocols. The IC manages power transfer by receiving commands from the receiver and adjusting the power stage accordingly, ensuring efficient and reliable wireless charging.
Key Specifications
| Characteristic | Symbol | Min. | Typ. | Max. | Unit | Notes |
|---|---|---|---|---|---|---|
| Supply Voltage | VDD, VDDA | 2.7 | 3.3 | 3.6 | V | |
| ADC (Cyclic) Reference Voltage High | VREFHA, VREFHB | 3.0 | VDDA | V | ||
| Input Voltage High (digital inputs) | VIH | 0.7×VDD | 5.5 | V | Pin Group 1 | |
| Input Voltage Low (digital inputs) | VIL | 0.35×VDD | V | Pin Group 1,2 | ||
| Device (system and core) clock frequency | fSYSCLK | 0 | 100 | MHz | ||
| Bus clock frequency | fBUS | 10 | 50/100 | MHz |
Key Features
- Conforms to the latest WPC "Qi" specification and supports PMA protocols.
- Supports a wide DC input voltage range of 6 V to 16 V for automotive battery input.
- Includes Foreign Object Detection (FOD) and low-power system standby using Freescale Touch technology.
- Provides free positioning solutions using WPC A or B type multi-coil technology.
- Uses rail voltage control or phase shift control with fixed operating frequency to control power transfer.
- Supports key FOB avoidance function and operation frequency dithering technology to eliminate AM band interference.
- Improved EMC performance for automotive certification.
- Supports CAN/LIN/IIC/SCI/SPI interfaces.
- LED for system status indication and over-voltage/current/temperature protection.
- Software-based solution for maximum design freedom and product differentiation.
Applications
The MWCT1001AVLH557 is primarily designed for automotive wireless power transmitter applications. It is used in vehicle charging systems, supporting the charging of mobile devices and other compatible equipment. The IC's compliance with WPC "Qi" and PMA protocols makes it versatile for various automotive and industrial IoT applications.
Q & A
- What is the MWCT1001AVLH557?
The MWCT1001AVLH557 is a wireless power transmitter controller IC designed for automotive applications. - What standards does it comply with?
It complies with the latest WPC "Qi" specification and supports PMA protocols. - What is the input voltage range?
The input voltage range is from 6 V to 16 V, suitable for automotive battery input. - Does it support Foreign Object Detection (FOD)?
Yes, it includes FOD and low-power system standby using Freescale Touch technology. - What interfaces does it support?
It supports CAN/LIN/IIC/SCI/SPI interfaces. - Is it certified for automotive use?
Yes, it is qualified to AEC100 Test Group A&B and has improved EMC performance for automotive certification. - What is the purpose of the operation frequency dithering technology?
The operation frequency dithering technology is used to eliminate AM band interference. - Does it have over-voltage/current/temperature protection?
Yes, it includes over-voltage/current/temperature protection. - What is the significance of the multi-coil technology?
The multi-coil technology provides free positioning solutions using WPC A or B type coils. - Can it be used in non-automotive applications?
While primarily designed for automotive use, its features make it versatile for other industrial IoT applications. - How does it manage power transfer?
The IC manages power transfer by receiving commands from the receiver and adjusting the power stage accordingly.
