The CH224K integrates multiple fast charging protocols such as USB PD3.0/2.0, BC1.2 and other boost fast charging protocols on a single chip. It features:

• 4V to 22V input voltage
• PD3.0/2.0, BC1.2 and other fast charging protocols
• USB Type-C PD, positive and negative insertion detection and automatic switching
• E-Mark simulation, automatically detect VCONN, support 100W power PD request
• requested voltage can be dynamically adjusted through a variety of methods
• high integration of single chip, simplified peripheral and low cost
• built-in over-voltage and over-temperature protection module

The output voltage can be selected via the DIP switches as follows:

The Power-Good LED lights up when the selected voltage has been successfully negotiated with the USB-C power adapter and is present at the output. The voltage can also be changed during operation.