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Adafruit QT 3V to 5V Level Booster Breakout - STEMMA QT / Qwiic

ADA5649 · AdafruitActive

Adafruit QT 3V to 5V Level Booster Breakout - STEMMA QT / Qwiic photo
Adafruit QT 3V to 5V Level Booster Breakout - STEMMA QT / Qwiic illustration

Adafruit product #5649. Interfaces: I2C.

Part numberADA5649
ManufacturerAdafruit
CategoryInterface & Expansion › Level Shifters
Pins10
Voltage (max)5 V
Voltage (min)3 V

Adafruit QT 3V to 5V Level Booster Breakout - STEMMA QT / Qwiic pinout

PinNameTypeDescription
1SDA_5Vbidirectional
2SCL_5Vbidirectional
3GNDground
45.0Vbidirectional
5VCCpower
6VCCpower
75.0Vbidirectional
8GNDground
9SCL_LVbidirectional
10SDA_LVbidirectional

Schematic symbol and footprint

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Footprint: Adafruit QT 3V to 5V Level Booster Breakout (header pads) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.

Where to buy

SupplierStockPriceStatus
Mouser43$2.95 (1+)View
DigiKey212$2.95 (1+)ActiveView

Stock and prices from the suppliers, checked 2026-10-08; excluding tax and shipping.

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