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Crowd Supply PD Micro is an Arduino-compatible board designed to provide USB Type-C Power Delivery, enabling applications to make use of voltages from 5V to 20V. The PD Micro is perfect for projects that would require separate power sources if the control board only outputs 3.3V or 5.0V, such as those involving motor control or high-power LEDs. The output voltage can be controlled with Arduino sketches using an open-source Power Delivery (PD) Library. The PD Library itself consumes less than half of the total memory and flash space, leaving more than half of the space available for user code.
The Crowd Supply PD Micro offers protection to the target device, powering it only when negotiated power is ready and meets target levels of voltage and current. PD Micro has an onboard 30V 10.4A P-channel MOSFET load switch, controlled by an ATmega32U4 Microcontroller. This feature also allows the user to do programmable power sequences, like a power-timing circuit.
The PD Micro can work as a standalone, programmable USB Type-C PD trigger, delivering power directly. Target voltage and current can be programmed through Arduino IDE. There are 5 LEDs available for voltage level and 3 LEDs for current level, which provides a simple, unambiguous indication of the current USB PD power status.
