Shulou(Shulou.com)11/24 Report--

CTOnews.com news on December 5, NMC announced the launch of a new gallium nitride double C port fast charging scheme-AC200, which has the advantages of low cost, high efficiency and good EMI performance. Compared with the traditional double C port scheme, the DC / DC can be saved, and the efficiency can be increased by more than 3% to 5%. Because the output has no additional DC / DC,EMI features, it has obvious advantages for the 40W~65W dual-port adapter, solving the bottleneck of temperature rise, eliminating the glue filling link of the product during mass production, and eliminating the output common-mode inductor.

AC200 scheme introduces that this scheme adopts a full set of NSC scheme to realize the power conversion of 2T2C, and adopts closed GaN QR FLYBACK converter SC3056 + closed SR controller SC3510 + protocol chip SC2151A, which has the advantages of low cost, high efficiency and good EMI performance.

(PCBA 54*54*23mm) input: 90Vac ~ 264Vac

Output: 2 C ports support blind insertion, intelligent power distribution, compatible with FC, AFC, FCP, PD3.0, PPS mainstream fast charge protocols, with 3.3V / 3A PPS voltage shift, single port maximum output power is 65W (20V / 3.25A).

This scheme not only maintains good portability, but also focuses on 45W+18W double-port fast charging, which is more suitable for multi-device Apple users, and of course it can also meet the fast charging needs of Huawei, Xiaomi and other brand devices.

-both ports support blind insertion of 65W

-carry both at the same time, 45W+18W max

-support protocol

In terms of full load efficiency, the two-transformer parallel architecture has a significant improvement compared with the traditional two-stage series architecture, bringing customers a more efficient charging experience.

Scheme recommendation

Shanghai Nancy Semiconductor Technology is a high-performance domestic semiconductor design company specializing in power, battery management and embedded systems, with Charge pump, DCDC, ACDC, wired charging, wireless charging, fast charging protocol, lithium protection and other product lines, based on self-developed step-up charging, charge pump and GaN direct drive and other core technologies, launched a number of products. It can provide a complete end-to-end wired and wireless fast charging solution from AC to battery, covering a power level of 10W to 200W.

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