[Solution News] The world's only single-chip fast charging solution, Dalian vigorously promotes Richtek single-chip wireless charging TX solution

On May 8, 2018 , WPG Holdings, a leading semiconductor component distributor dedicated to the Asia-Pacific market , announced that

Its subsidiary Orion launched a single-chip wireless charging TX solution based on Richtek (Richtek Technology), code-named Orion Lite, which can fully support wireless fast charging of Apple and Samsung mobile phones.

Richtek's single-chip wireless charging TX solution represented by Dalian Daquanding is mainly based on Richtek's RT3181A and is currently the world's only single-chip fast charging solution.

The RT3181 is a highly integrated transmitter that complies with the WPC specification. Its integrated full-bridge power stage can meet the needs of general-purpose A11 transmitters, while the design of the external power stage can meet the needs of higher performance systems.

Figure 1- DaWan DaQuanDing promotes Richtek single-chip wireless charging TX solution

The RT3181 can also be configured as the MP-5 design of the WPC medium power transmitter. The integrated input voltage controller can greatly simplify the design of the entire system and make it very easy to implement.

Richtek's wireless charging solution has the following features:

• RT3181A single chip, built-in Flash, supports online software upgrade;
  

• Built-in full-bridge MOS tube, no other external power devices are required, and FOD is more accurate;

• It can be expanded with external MOS tubes, also RT3181A. Only software needs to be updated to facilitate inventory management. One chip can meet the needs of customers of different grades.

• Supports 9V direct input without external step-down module, suitable for embedded designs such as desk lamps, Bluetooth speakers, screen bases and furniture;

• The 9V input fast charging mode is more efficient than the 5V input 5W design.

For more product and solution information, please contact WPG Group technical staff:

richtek.cn@aitgroup.com.tw . Or refer to WPG’s official website , and welcome to follow WPG’s official Weibo ( @大聯大 ) and WPG’s WeChat platform: (search “大聯大” in the public account or follow WeChat ID wpg_holdings).