
Compact 12–24V to 5V dual-USB buck converter with up to 3A per port, high efficiency, and protection features.

Positive DC input to the buck converter terminal block.
Negative DC input / return for the converter terminal block.
Regulated 5V output available from each USB output port.
USB output ground / return.
| Pin | Type | Function | Voltage |
|---|---|---|---|
| VIN+ | Power | Positive DC input to the buck converter terminal block. | 12V-24V input, from DFRobot specification. |
| VIN- | Ground | Negative DC input / return for the converter terminal block. | Input return for 12V-24V supply. |
| USB 5V | Power | Regulated 5V output available from each USB output port. | 5.1±5%V no-load, 3A maximum output current per DFRobot specification/introduction. |
| USB GND | Ground | USB output ground / return. |
Positive DC input to the buck converter terminal block.
Negative DC input / return for the converter terminal block.
Regulated 5V output available from each USB output port.
USB output ground / return.
3.3 V · 5 V · Module
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