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

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

OverviewAlternates
4-channel I2C-safe Bi-directional Logic Level Converter - Adafruit - 757
Availability
In stock

4-channel I2C-safe bidirectional level shifter for connecting 5V controllers to 3.3V I2C devices and mixed-voltage buses.

Parts tray full · 5 max · remove a part to add another
4-channel I2C-safe Bi-directional Logic Level Converter — Adafruit — 757

Offers

  • Adafruit$3.95
  • ?DigiKey$3.95
  • ?OpenCircuit€5.50
  • Pimoroni£3.90

Offers

  • Adafruit$3.95
  • ?DigiKey$3.95
  • ?OpenCircuit€5.50
  • Pimoroni£3.90

Pinout

Logical pinout · physical placement not verified
4-CHANNEL I2C-SAFE BI-LVA4HVB1GNDB2A1B3A2B4A3
  • LVheader pad

    Low-voltage side reference supply

    Type · PowerVoltage · down to 1.8V
  • HVheader pad

    High-voltage side reference supply

    Type · PowerVoltage · up to 10V
  • GNDheader pad

    Common ground

    Type · GroundVoltage · 0V
  • A1low-side header

    Low-side channel 1 logic I/O

    Type · AnalogVoltage · LV logic
  • A2low-side header

    Low-side channel 2 logic I/O

    Type · AnalogVoltage · LV logic
  • A3low-side header

    Low-side channel 3 logic I/O

    Type · AnalogVoltage · LV logic
  • A4low-side header

    Low-side channel 4 logic I/O

    Type · AnalogVoltage · LV logic
  • B1high-side header

    High-side channel 1 logic I/O

    Type · GPIOVoltage · HV logic
  • B2high-side header

    High-side channel 2 logic I/O

    Type · GPIOVoltage · HV logic
  • B3high-side header

    High-side channel 3 logic I/O

    Type · GPIOVoltage · HV logic
  • B4high-side header

    High-side channel 4 logic I/O

    Type · GPIOVoltage · HV logic
PinPositionTypeFunctionVoltage
LVheader padPowerLow-voltage side reference supplydown to 1.8V
HVheader padPowerHigh-voltage side reference supplyup to 10V
GNDheader padGroundCommon ground0V
A1low-side headerAnalogLow-side channel 1 logic I/OLV logic
A2low-side headerAnalogLow-side channel 2 logic I/OLV logic
A3low-side headerAnalogLow-side channel 3 logic I/OLV logic
A4low-side headerAnalogLow-side channel 4 logic I/OLV logic
B1high-side headerGPIOHigh-side channel 1 logic I/OHV logic
B2high-side headerGPIOHigh-side channel 2 logic I/OHV logic
B3high-side headerGPIOHigh-side channel 3 logic I/OHV logic
B4high-side headerGPIOHigh-side channel 4 logic I/OHV logic
Logical pinout · physical placement not verified
4-CHANNEL I2C-SAFE BI-LVA4HVB1GNDB2A1B3A2B4A3

Pin details

11 connections
  1. LV

    Low-voltage side reference supply

    PowerVoltage · down to 1.8V
    header pad
  2. HV

    High-voltage side reference supply

    PowerVoltage · up to 10V
    header pad
  3. GND

    Common ground

    GroundVoltage · 0V
    header pad
  4. A1

    Low-side channel 1 logic I/O

    AnalogVoltage · LV logic
    low-side header
  5. A2

    Low-side channel 2 logic I/O

    AnalogVoltage · LV logic
    low-side header
  6. A3

    Low-side channel 3 logic I/O

    AnalogVoltage · LV logic
    low-side header
  7. A4

    Low-side channel 4 logic I/O

    AnalogVoltage · LV logic
    low-side header
  8. B1

    High-side channel 1 logic I/O

    GPIOVoltage · HV logic
    high-side header
  9. B2

    High-side channel 2 logic I/O

    GPIOVoltage · HV logic
    high-side header
  10. B3

    High-side channel 3 logic I/O

    GPIOVoltage · HV logic
    high-side header
  11. B4

    High-side channel 4 logic I/O

    GPIOVoltage · HV logic
    high-side header

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

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

    $2.95
  • 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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