20 Best Bidirectional Level Translator 3.3 V To 5v [2024]

Are you looking for the best Bidirectional Level Translator 3.3 V To 5v? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling Bidirectional Level Translator 3.3 V To 5v.

We Recommended:

Bestseller No. 1
NOYITO TXB0104 4-Bit Bidirectional Voltage-Level Translator with Automatic Direction Sensing and...
  • This 4-bit noninverting translator uses two separate configurable power-supply rails.
  • The A port is designed to track Vcca. Vcca accepts any supply voltage from 1.2 V to 3.6 V. The B port is designed to track Vccb. Vccb accepts any...
  • When the output-enable (OE) input is low, all outputs are placed in the high-impedance state. To ensure the high-impedance state during power up or...
  • The TXB0104 is designed so that the OE input circuit is supplied by Vcca.
  • This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current...
Bestseller No. 2
TXB0104 Breakout - Bidirectional Voltage Level Translator
  • 1.2V to 3.6V on A Port and 1.65V to 5.5V on B Port (VCCA ≤ VCCB)
  • VCC Isolation Feature – If Either VCC Input Is at GND, All Outputs Are in the High-Impedance State
  • OE Input Circuit Referenced to VCC
  • Low Power Consumption, 5-μA Max ICC
Bestseller No. 3
DORHEA 20Pcs 4 Channels I2C IIC Logic Level Converter Bi-Directional Module 3.3V to 5V Shifter...
  • The bi-directional logic level converter is a small device, can realize bidirectional conversion of UART, IIC, 1-Wire, SPI and other bus signals 3V-5V...
  • This level converter works with 2.8V and 1.8V devices, it can bidirectionally transfer with 4 channels between high logic voltage and low logic...
  • Each logic level converter has the capability of converting 4 pins on the high side to 4 pins on the low side with two inputs and two outputs provided...
  • The level converter is very easy to use. The board needs to be powered from the two voltages sources (high voltage and low voltage) that your system...
  • IIC I2C logic level converter bi-directional module Compatible with the breadboard: The level converter is compatible with the breadboard, it can be...
Bestseller No. 4
KAIXWAN QWE30 10Pcs 8-Channel Logic Translator Level Converter Bi-Directional Module Module...
  • Suitable for various electronic projects.
  • 1. If you've ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be.
  • 2. The SparkFun bi-directional logic level converter is a small device that safely steps down 5V signals to 3.3V AND steps up 3.3V to 5V at the same...
  • 3. This level converter also works with 3.8V and 1.8V devices.
  • 4. What really separates this Logic level converter from our previous versions is that you can successfully set your high and low voltages and step up...
Bestseller No. 5
ZYM119 10Pcs 8-Channel Logic Translator Level Converter Bi-Directional Module Module Circuit Board
  • Reliable and suitable for a wide range of uses.
  • High conversion efficiency, simple regulating operation.
  • 1. If you've ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be.
  • 2. The SparkFun bi-directional logic level converter is a small device that safely steps down 5V signals to 3.3V AND steps up 3.3V to 5V at the same...
  • 3. This level converter also works with 3.8V and 1.8V devices.
Bestseller No. 6
NOYITO TXS0102 2-Bit Bidirectional Voltage Level Converter I2C IIC Level Module (Pack of 2)
  • This two-bit non-inverting translator is a bidirectional voltage-level translator and can be used to establish digital switching compatibility between...
  • It uses two separate configurable power-supply rails, with the A ports supporting operating voltages from 1.65 V to 3.6 V while it tracks the VCCA...
  • This allows the support of both lower and higher logic signal levels while providing bidirectional translation capabilities between any of the 1.8-V,...
  • When the output-enable (OE) input is low, all I/Os are placed in the high-impedance state, which significantly reduces the power-supply quiescent...
  • To ensure the high-impedance state during power up or power down, OE should be tied to GND through a pulldown resistor; the minimum value of the...
Bestseller No. 7
WINGONEER TXB0104 4-Bit Bidirectional Voltage-Level Translator with Automatic Direction Sensing and...
  • This 4-bit noninverting translator uses two separate configurable power-supply rails.
  • The A port is designed to track Vcca. Vcca accepts any supply voltage from 1.2 V to 3.6 V. The B port is designed to track Vccb. Vccb accepts any...
  • When the output-enable (OE) input is low, all outputs are placed in the high-impedance state. To ensure the high-impedance state during power up or...
  • The TXB0104 is designed so that the OE input circuit is supplied by Vcca.
  • This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current...
Bestseller No. 8
SparkFun (PID 15439) Level Translator Breakout - PCA9306
  • PCA9306 dual bidirectional voltage-level translator
  • low voltage side: 1.2V to 3.3V (VREF1)
  • high voltage side: 1.8V to 5V (VREF2)
  • I2C - SMBus
  • Bidirectional
Bestseller No. 9
GOMMER 5Pcs -9306 PCA9306 2-Bit Bidirectional I2C Bus and SMBus Voltage Level Translator Replacement...
  • -9306device is a dual bidirectional I2C and SMBus voltage-level translator with an enable (EN) inputand is operational from 1.2-V to 3.3-V VREF1and...
  • The PCA9306 device allows bidirectional voltage translations between 1.2 V and 5 V, without the use of a direction pin.
  • The low ON-state resistance (RON) of the switch allows connections to be made with minimal propagation delay.
  • When EN is high, the translator switch is ON, and the SCL1 and SDA1 I/O are connected to the SCL2 and SDA2 I/O,respectively, allowing bidirectional...
  • In addition to voltage translation, the PCA9306 device can be used to isolate a 400-kHz bus from a 100-kHz busy controlling the EN pin,and...
Bestseller No. 10
GOMMER 3Pcs PCA9306 2-Bit Bidirectional I2C Bus and SMBus Voltage Level Translator Replacement Parts
  • Device is a dual bidirectional I2C and SMBus voltage-level translator with an enable (EN) input
  • and is operational from 1.2-V to 3.3-V VREF1and 1.8-V to 5.5-V VREF2.
  • The PCA9306 device allows bidirectional voltage translations between 1.2 V and 5 V, without the use of a direction pin.
  • The low ON-state resistance (RON) of the switch allows connections to be made with minimal propagation delay.
  • When EN is high, the translator switch is ON, and the SCL1 and SDA1 I/O are connected to the SCL2 and SDA2 I/O,
Bestseller No. 11
HDAACKLL Power Module 5Pcs -9306 PCA9306 2-Bit Bidirectional I2C Bus and SMBus Voltage Level...
  • -9306device is a dual bidirectional I2C and SMBus voltage-level translator with an enable (EN) inputand is operational from 1.2-V to 3.3-V VREF1and...
  • The PCA9306 device allows bidirectional voltage translations between 1.2 V and 5 V, without the use of a direction pin.
  • The low ON-state resistance (RON) of the switch allows connections to be made with minimal propagation delay.
  • When EN is high, the translator switch is ON, and the SCL1 and SDA1 I/O are connected to the SCL2 and SDA2 I/O,respectively, allowing bidirectional...
  • In addition to voltage translation, the PCA9306 device can be used to isolate a 400-kHz bus from a 100-kHz busy controlling the EN pin,and...
Bestseller No. 12
HDAACKLL Power Module 3Pcs PCA9306 2-Bit Bidirectional I2C Bus and SMBus Voltage Level Translator...
  • Device is a dual bidirectional I2C and SMBus voltage-level translator with an enable (EN) input
  • and is operational from 1.2-V to 3.3-V VREF1and 1.8-V to 5.5-V VREF2.
  • The PCA9306 device allows bidirectional voltage translations between 1.2 V and 5 V, without the use of a direction pin.
  • The low ON-state resistance (RON) of the switch allows connections to be made with minimal propagation delay.
  • When EN is high, the translator switch is ON, and the SCL1 and SDA1 I/O are connected to the SCL2 and SDA2 I/O,
Bestseller No. 13
New I2c Level Conversion Module Dual Bidirectional Voltage Level Converter Breakout Board Module
  • 【SPECIFICATIONS】Allows voltage level translation between: 1.0 V Vref(1) and 1.8 V, 2.5 V, 3.3 V or 5 V Vbias; 1.2 V Vref(1)and 1.8 V, 2.5 V, 3.3 V...
  • 【FEATURES】Less than 1.5 ns maximum propagation delay to accommodate Standard-mode and Fast-mode I2C-bus devices and multiple masters
  • 【APPLICATION】Provides bidirectional voltage translation with no direction pin.Low 3.5 Ω ON-state connection between input and output port...
  • 【DESIGN】Standard-mode, Fast-mode, and Fast-mode Plus I2C-bus and SMBus compatible
  • 【ADVANTAGE】2-bit bidirectional translator for SDA and SCL lines in mixed-mode I2C-bus applications

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FAQ:

Q: What is a bidirectional level converter?

A: This circuit is known as a bidirectional level converter (shifter). This means that the 3.3V signal is a converter to 5V and vice versa. In-circuit, you also see a Schottky diode, which plays a significant part here. Normally there is a diode inside the MOSFET transistor, so you don’t need to use one additionally.

Q: How to translate 5V to 5V?

A: So 5V line is pulled to 5V by resistor R2. This way, 3.3V is translated to 5V. Case 3 :In this case, we want to translate the 5V signal into 3.3V. The circuit remains the same. Let’s say we have a high (5V) signal level at the 5V side.

Q: How to use a level converter?

A: The level converter is very easy to use. The board needs to be powered from the two voltages sources (high voltage and low voltage) that your system is using. High voltage (5V for example) to the ‘HV’ pin, low voltage (3.3V for example) to ‘LV’, and ground from the system to the ‘GND’ pin

Q: Where does the I2C bidirectional requirement come from?

A: The bidirectional requirement comes from the I2C data line, but the clock may not need the bidirectional functionality just step up from 3.3v to 5v, which means the 3.3v side has to be able to produce a 3.5 to 5v logic high signal, and a 0v to maybe 1v logic low signal.