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  1. Parts
  2. /Components
  3. /Logic level converters

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

OverviewAlternates
Adafruit QT 3V to 5V Level Booster Breakout - STEMMA QT / Qwiic - Adafruit - 5649
Availability
In stock

Compact STEMMA QT / Qwiic I2C level booster breakout that takes a 3 V-side I2C bus and provides a boosted 5 V logic/output side for sensors or devices that need 5 V logic.

Parts tray full · 5 max · remove a part to add another
STEPSTL

Offers

  • Adafruit$2.95
  • ?DigiKey$2.95
  • ?OpenCircuit€4.25

Offers

  • Adafruit$2.95
  • ?DigiKey$2.95
  • ?OpenCircuit€4.25

Pinout

Logical pinout · physical placement not verified
ADAFRUIT QT 3V TO 5V LVIN5V SDA5V3V logic STEMMA QT connectorGND5V logic STEMMA QT connector3V SCLPower LED3V SDAVi2C jumpers5V SCL
  • VIN
    Type · Power
  • 5V
    Type · Power
  • GND
    Type · Ground
  • 3V SCL
    Type · I2C
  • 3V SDA
    Type · I2C
  • 5V SCL
    Type · I2C
  • 5V SDA
    Type · I2C
  • 3V logic STEMMA QT connector
    Type · I2C
  • 5V logic STEMMA QT connector
    Type · I2C
  • Power LED
    Type · Unknown
  • Vi2C jumpers
    Type · Unknown
PinType
VINPower
5VPower
GNDGround
3V SCLI2C
3V SDAI2C
5V SCLI2C
5V SDAI2C
3V logic STEMMA QT connectorI2C
5V logic STEMMA QT connectorI2C
Power LEDUnknown
Vi2C jumpersUnknown
Logical pinout · physical placement not verified
ADAFRUIT QT 3V TO 5V LVIN5V SDA5V3V logic STEMMA QT connectorGND5V logic STEMMA QT connector3V SCLPower LED3V SDAVi2C jumpers5V SCL

Pin details

11 connections
  1. VIN
    Power
  2. 5V
    Power
  3. GND
    Ground
  4. 3V SCL
    I2C
  5. 3V SDA
    I2C
  6. 5V SCL
    I2C
  7. 5V SDA
    I2C
  8. 3V logic STEMMA QT connector
    I2C
  9. 5V logic STEMMA QT connector
    I2C
  10. Power LED
    Unknown
  11. Vi2C jumpers
    Unknown

Level shifters

20 other options

BSS138/PCA9306 I2C shifters, TXB0104/TXS0108E auto-direction translators, 74LVC245/74AHCT125 buffers, and 12V-to-3.3V converters — matched to bus type and direction, not channel count.

View all 20
  • 2-Channel Level Converter (12V to 3.3V) visual preview

    2-Channel Level Converter (12V to 3.3V)

    $6.90
  • 2-Channel Level Converter (12V to 5V) visual preview

    2-Channel Level Converter (12V to 5V)

    $6.90
  • 4-channel I2C-safe Bi-directional Logic Level Converter visual preview

    4-channel I2C-safe Bi-directional Logic Level Converter

    $3.95
  • 4-Channel Level Converter (12V to 3.3V) visual preview

    4-Channel Level Converter (12V to 3.3V)

    $8.90
  • 4-Channel Level Converter (12V to 5V) visual preview

    4-Channel Level Converter (12V to 5V)

    $8.90
  • 74AHCT125 - Quad Level-Shifter (3V to 5V) visual preview

    74AHCT125 - Quad Level-Shifter (3V to 5V)

    $1.50
  • 74AHCT14 - Logic Level Inverter / Level Shifter visual preview

    74AHCT14 - Logic Level Inverter / Level Shifter

    $0.95
  • 74LVC245 - Breadboard Friendly 8-bit Logic Level Shifter visual preview

    74LVC245 - Breadboard Friendly 8-bit Logic Level Shifter

    $1.50
  • 8-channel Bi-directional Logic Level Converter visual preview

    8-channel Bi-directional Logic Level Converter

    $7.95
  • Adafruit QT 5V to 3V Level Shifter Breakout - STEMMA QT / Qwiic visual preview

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

    $2.95
  • Fermion: TXS0104E 4-Bit Level Translator (Breakout) visual preview

    Fermion: TXS0104E 4-Bit Level Translator (Breakout)

    $3.50
  • Fermion: TXS0108E 8-Bit Level Translator (Breakout) visual preview

    Fermion: TXS0108E 8-Bit Level Translator (Breakout)

    $4.20

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