Name: Qwiic Boost
Brand: SparkFun

Parts › Power › Voltage Regulators & DC-DC

SPX-17238 · SparkFun

Step up your I 2 C bus to 5V power while maintaining 3.3V I2C signals—ideal for powering 5V devices like fans in sensors—while also offering optional 5V I2C signal conversion via a selectable jumper. (SparkFun SPX-17238)

Part number	SPX-17238
Manufacturer	SparkFun
Category	Power › Voltage Regulators & DC-DC
Pins	4
Voltage (max)	5 V

Qwiic Boost pinout

Pin	Name	Type
1	GND	ground
2	3V3	power
3	SDA	bidirectional
4	SCL	input

Schematic symbol and footprint

Schematic symbol

Footprint: JST-SH 4-pin SMD right-angle (SM04B-SRSS-TB) - Qwiic / STEMMA QT — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.