4 Channel Bidirectional Level Translator

Overview

This module is useful for communicating between 2 tracks that work at different logic voltages. For example, a sensor that works at 3.3 V and does not tolerate 5 V on logic pins, requires the use of this two-way level translator to communicate with an Arduino UNO-compatible development board.

This product has 4 individual channels, which means it is ideal for SPI communication protocols, I 2 C.

Specifications

• Supply voltage LV: 1.4 V to 3.6 V
• Supply voltage HV: 1.65 V to 5.5 V
• Max. Current / channel: 50 mA
• Maximum LV / HV current: 100 mA
• Compatible communication protocols: SPI, I 2 C, UART
• Dimensions 16 mm x 16 mm

Instructions for Use

1. Make the hardware connections.

On the PCB board, the meaning of the pins (LV1-4, LV / HV, GND, and HV1-4) is marked. On the LV side, the low-voltage product (LV = LOW VOLTAGE) is connected, and the HV-connected product connects the product at a higher voltage (HV = HIGH VOLTAGE).

To supply the transducer, you need to apply a voltage to the HV pin and LV pin. Also, be sure to connect the GND pins to GND for each source.

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