2-way Fast Charge Buck Module (Compatible with Raspberry Pi 4B & Jetson Nano)

Dual-output USB fast-charge buck module with 6–32V input and 3–12V adjustable output, supporting multiple fast-charge protocols. Compatible with Raspberry Pi 4B and Jetson Nano.

Logical pinout · physical placement not verified

VIN+
DC input positive for the buck module; DFRobot specifies 6V-32V input voltage range.
Type · PowerVoltage · 6V-32V input
VIN-
DC input negative / return for the buck module input supply.
Type · GroundVoltage · 0V input return
USB output 1
First USB fast-charge output channel; DFRobot states 2-way USB port output and 3V-12V protocol-adjusted output, default 5V.
Type · PowerVoltage · 3V-12V output, default 5V
USB output 2
Second independent USB fast-charge output channel; DFRobot states the 2 channels work independently.
Type · PowerVoltage · 3V-12V output, default 5V

Pin	Type	Function	Voltage
VIN+	Power	DC input positive for the buck module; DFRobot specifies 6V-32V input voltage range.	6V-32V input
VIN-	Ground	DC input negative / return for the buck module input supply.	0V input return
USB output 1	Power	First USB fast-charge output channel; DFRobot states 2-way USB port output and 3V-12V protocol-adjusted output, default 5V.	3V-12V output, default 5V
USB output 2	Power	Second independent USB fast-charge output channel; DFRobot states the 2 channels work independently.	3V-12V output, default 5V

Logical pinout · physical placement not verified

Pin details

4 connections

VIN+
DC input positive for the buck module; DFRobot specifies 6V-32V input voltage range.
PowerVoltage · 6V-32V input
VIN-
DC input negative / return for the buck module input supply.
GroundVoltage · 0V input return
USB output 1
First USB fast-charge output channel; DFRobot states 2-way USB port output and 3V-12V protocol-adjusted output, default 5V.
PowerVoltage · 3V-12V output, default 5V
USB output 2
Second independent USB fast-charge output channel; DFRobot states the 2 channels work independently.
PowerVoltage · 3V-12V output, default 5V

Start wiring

3.3 V · 5 V · Module

The family now includes 9 V wall adapters at 650 mA, 1 A and 2.55 A. The voltage class matches, but current headroom, plug region, connec…

Module pins: VIN+, USB output 1, USB output 2, VIN-. Schematik maps them to your board in the app.

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