With the evolution of the WPC charging standard in 2023, the Qi wireless charging standard has evolved to QI2 for the first time0 times, and introduced Apple's MagSafe magnetic charging technology based on MPP (Magnetic Power Profile) technology with magnetic suction. Compared with BPP and EPP, MPP is characterized by the addition of a magnet ring for positioning alignment, which achieves more precise alignment, making charging faster, more efficient, and more convenient. The purpose of the standard is to provide a better wireless charging user experience and to strengthen charging safety and compatibility standards, laying the foundation for new features in the future.
WPC Soft-Launch certification has been launched since November 23, and Chargerhead Network has learned about a new QI2 launched by Bee ElectronicsThe 0 MPP wireless charging module has passed the QI2 certification test, model: BEY7454, and the certificate will be issued on February 19, 2024, certificate number: 21020.
The Bee MPP Magnetic Wireless Charging Module BE7454 is a WPC QI2 compliant0 MPP protocol standard wireless transmitter (PTX); It supports up to MPP 15W protocol and is backward compatible with BPP 5W protocol. Support DC, PD, QC and other power inputs.
The BEY7454 PCBA board and coil are visually displayed and the size is 4139x41.92mm。
BEE7454 exterior display, the surface is covered with white plastic, the back is covered with silver metal, and the bottom is a solder joint. The diameter is 582±0.1mm, thickness 72±0.2mm。
BEE7454 adopts 63340 standard 20V 13MR safe and high-efficiency drive, built-in 97The DC8330 DC boost converter with 5% efficiency has the ability to calculate the high-precision Q value and the high-precision current acquisition circuit and algorithm, which can obtain accurate power loss and easy adjustment of the FOD. It's easier to get over CB. The module uses phase demodulation to solve the phase shift problem that may occur during signal transmission, and easily passes QI2.
The BE7454 supports USB PD QC 12V2A, 9V3A, 5V3A and DC protocol 9V3A inputs, and supports a maximum of 15W fast charging output, with a standby power consumption of less than 025W, with a charging efficiency of 77% at 15W output, the module has 3 GPIO pins that can be used as LED indicators, communication and data outputs. There are also a variety of protection measures including OVP UVP OCP OTP, as well as a variety of foreign object detection technologies to ensure the safety, efficiency and reliability of the charging process.
Next, let's introduce the wireless driver chip SCT63340 of this wireless charging module.
Xinzhou SCT63340 is a highly integrated wireless charging power management chip, which is designed to meet the high performance, high efficiency and cost-effectiveness of wireless power transmission systems. The chip is WPC compliant and supports VIN input voltage range of 4From 2V to 30V, the PVIN input voltage range is 1V to 26V and enables wireless power transfer up to 30W.
The chip integrates a complete full-bridge power driver, MOSFETS, and built-in 5V-1A step-down DC DC converter and 33V-200mA LDO to provide stable power supply to the system**. In addition, the SCT63340 integrates a non-lossy input current sensor with an accuracy of up to 2% for foreign object detection and current demodulation to ensure safe operation of the system.
The SCT63340 is available in a QFN-21L 4mm*4mm package with protection mechanisms such as input under-voltage lockout, over-current protection, and over-temperature protection, and is suitable for WPC EPP chargers from 10W to 30W, which can be used in mobile** and tablet systems. It can also be used in general-purpose wireless power transmitters in consumer, industrial, and medical device applications, as well as proprietary wireless charging transmitters.
Founded in 2013, Shenzhen Bee Electronics is committed to providing leading wireless charging solutions for global customers. It is a high-tech enterprise focusing on providing high-end chips and solutions for emerging fields such as wireless charging, smart wearable devices, medical equipment, and mobile terminals.
The company has focused on wireless charging solutions for 10 years, from Nokia to Samsung fast charging, Apple fast charging has been leading the market, has a professional wireless charging software and hardware team, and has rich experience in design rectification, has advanced test equipment, and has also developed a large number of special test equipment.
The company has a senior R&D team, a technical support service team with rich on-site experience, and a good marketing reputation team. With rich technical experience, it is the first company to launch wireless charging chip solutions that meet the Qi standard in China, and its products are in a leading position in the market.
Main products: wireless charging transmitter chip, wireless charging receiving chip, wireless charging scheme design; Covers: Micropower (2.)5W), small power (5W), medium power (10W 7.).5W 15W), single coil, dual coil, triple coil, multi-coil combination, stylus transmitting and receiving a full range of wireless charging solutions.
Bee Electronics' QI2 MPP wireless charging module BE7454 complies with WPC QI20 MPP protocol standard, passed the QI2 certification test, certificate number: 21020, supports maximum 15W power output, backward compatible BPP 5W power output, supports DC, PD, QC and other power inputs, adopts high-efficiency drive and DC boost conversion chip, has high-precision Q value computing ability and power loss control, FOD adjustment is easy to implement, charging efficiency is 77%, with a number of safety protection measures and foreign body detection technology, Xinzhou SCT63340 is used as the wireless main control driver chip.
Xinzhou SCT63340 is a highly integrated wireless main controller IC, which can achieve up to 30W wireless power transmission. The chip integrates a full-bridge power driver, step-down DC DC converter, and LDO to provide stable power**. In addition, it has a variety of protection mechanisms for WPC EPP chargers in different power ranges.
With the progress of the times, the demand for wireless charging is increasing, and the demand for new QI2 wireless charging products is also increasing.