United Dayoushang Group launches the in-car wireless fast charge solution based on NuVolta products
Time:2024-06-24
Views:1
Source: General Assembly Author: General Assembly
On June 4, 2024, the world‘s leading semiconductor component distributor in the Asia-Pacific region, Dailian Holdings, announced that its Yousun unit launched a wireless fast charge solution based on NuVolta‘s NU8060Q chip.
Figure 1- Display board of the in-car wireless fast charge solution based on NuVolta products
In the process of continuous evolution of automobiles in the direction of electrification and intelligence, the on-board wireless charging base is gradually becoming the standard of many models. This design not only provides a more convenient way for drivers and passengers to charge, but also further promotes the optimization and upgrading of the interior space. With the continuous progress of wireless charging technology, users‘ requirements for vehicle wireless charging schemes are becoming more stringent. Under this trend, the company launched the in-car wireless fast charge scheme based on the NuVolta NU8060Q chip, which can achieve high power fast charge while ensuring the safety of charging.
Figure 2- The scenario application diagram of the in-car wireless fast charge solution based on NuVolta products
NuVolta‘s NU8060Q is a wireless transmitter chip with high integration, high efficiency and high precision. The chip supports wide voltage input, the recommended maximum operating voltage is 27V, and the transient voltage can withstand up to 36V. At the time of design, the NU8060Q single chip is compatible with wireless charging receiver (Rx) loads of up to 80W, which can meet the needs of high-power wireless fast charging.
The NU8060Q integrates high efficiency full bridge FETs and 12mΩ Rdson devices, which have good thermal performance in high power applications compared to existing products on the market. Not only that, the chip is also equipped with a variety of important functions required for wireless charging applications, such as full bridge drive, high-precision current detection, Q-value detection function and in-band communication demodulation function.
Figure 3- Block diagram of the in-car wireless fast charge solution based on NuVolta products
In the future, with the further expansion of the wireless charging trend, the United Nations will also work with NuVolta to launch more fast charging solutions, bringing both high efficiency and safety charging experience to different industries.
Core technical advantages:
High efficiency, high integration, built-in low internal resistance 12mΩ full bridge, with outstanding thermal performance;
A single chip supports 50W fast charge, and can support up to 80W fast charge after heat dissipation optimization;
Built-in high-precision resonator frequency detection and ultra-precision Q value detection, low bit error rate digital demodulation;
Current detection accuracy of ±1%, higher than 15W heavy load accuracy can even be increased to ±0.5%;
Three demodulation modes are available: voltage detection, peak current detection, average current detection;
Super protection function: OVP, OCP, SCP, OTP;
Built-in interrupt reporting function, support I2C communication.
Project specification:
AEC-Q100 Grade 1 certification;
Wide voltage input range 3V~27V;
Integrated 5V LDO;
Overvoltage charging protection;
Overcurrent charging protection;
Overtemperature charging protection;
Charging efficiency up to 85%;
5mm x 4mm QFN package.
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