chips
模块采用大电流设计，输出电流可以达5A，具有A/B两款可以输出5～48V电压，且具有强大的兼容性支持PD3.1/QC2.0等快充协议，可轻松诱骗出充电器输出对应电压，采用短接切换，可自行短接切换指定电压，模块具有向下兼容能力，如果供电设备不支持设定的电压，则会输出最接近的电压
312bh / 312b1
模块采用大电流设计，输出电流可以达5A，具有A/B两款可以输出5～48V电压，且具有强大的兼容性支持PD3.1/QC2.0等快充协议，可轻松诱骗出充电器输出对应电压，采用短接切换，可自行短接切换指定电压，模块具有向下兼容能力，如果供电设备不支持设定的电压，则会输出最接近的电压
boards
How USB Type-C 12V Fast Charging Trigger Works
A USB Type-C 12V fast charging trigger is a small device or circuit that negotiates with a USB Type-C power source (such as a charger or power bank) to output 12V instead of the default 5V. This is done using the USB Power Delivery (PD) protocol.
Working Principle
- Connection & Communication: The trigger connects to the USB Type-C port and communicates with the charger using the PD protocol over the CC (Configuration Channel) pins.
- Voltage Request: It sends a request for 12V output (sometimes specifying the desired current, e.g., 1.5A or 3A).
- Charger Response: If the charger supports 12V PD output, it switches its output to 12V.
- Power Delivery: The trigger then provides this 12V to the connected device or circuit.
Applications
- Powering devices that require 12V from USB Type-C chargers (DIY electronics, routers, etc.)
- Avoids the need for a dedicated 12V adapter
- Used in projects and gadgets needing higher voltage from USB-C
Note
The trigger automatically handles the PD negotiation, making it easy to use with compatible