4-channel I2C-safe Bi-directional Logic Level Converter
4-channel I2C-safe bidirectional level shifter for connecting 5V controllers to 3.3V I2C devices and mixed-voltage buses.
Pinout
- 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
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| LV | header pad | Power | Low-voltage side reference supply | down to 1.8V |
| HV | header pad | Power | High-voltage side reference supply | up to 10V |
| GND | header pad | Ground | Common ground | 0V |
| A1 | low-side header | Analog | Low-side channel 1 logic I/O | LV logic |
| A2 | low-side header | Analog | Low-side channel 2 logic I/O | LV logic |
| A3 | low-side header | Analog | Low-side channel 3 logic I/O | LV logic |
| A4 | low-side header | Analog | Low-side channel 4 logic I/O | LV logic |
| B1 | high-side header | GPIO | High-side channel 1 logic I/O | HV logic |
| B2 | high-side header | GPIO | High-side channel 2 logic I/O | HV logic |
| B3 | high-side header | GPIO | High-side channel 3 logic I/O | HV logic |
| B4 | high-side header | GPIO | High-side channel 4 logic I/O | HV logic |
Pin details
11 connections- LVheader pad
Low-voltage side reference supply
PowerVoltage · down to 1.8V - HVheader pad
High-voltage side reference supply
PowerVoltage · up to 10V - GNDheader pad
Common ground
GroundVoltage · 0V - A1low-side header
Low-side channel 1 logic I/O
AnalogVoltage · LV logic - A2low-side header
Low-side channel 2 logic I/O
AnalogVoltage · LV logic - A3low-side header
Low-side channel 3 logic I/O
AnalogVoltage · LV logic - A4low-side header
Low-side channel 4 logic I/O
AnalogVoltage · LV logic - B1high-side header
High-side channel 1 logic I/O
GPIOVoltage · HV logic - B2high-side header
High-side channel 2 logic I/O
GPIOVoltage · HV logic - B3high-side header
High-side channel 3 logic I/O
GPIOVoltage · HV logic - B4high-side header
High-side channel 4 logic I/O
GPIOVoltage · HV logic
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