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Name: PCA9306DCURG4
Brand: Texas Instruments
SKU: PCA9306DCURG4
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments PCA9306DCURG4

Part No.:: PCA9306DCURG4

Manufacturer:: Texas Instruments

Package:: 8-VFSOP (0.091, 2.30mm Width)

Datasheet:: PCA9306DCURG4.pdf

Description:: IC TRNSLTR BIDIRECTIONAL 8VSSOP

In Stock:: 2193

Quantity:: Add To Cart

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PCA9306DCURG4 Typical application Circuitry

PCA9306DCURG4

A dual bidirectional voltage-level translator for SMBus and I2C buses, the PCA9306DCURG4 is. This chip is integral in systems requiring communication between components operating at different voltage levels, particularly in I2C and SMBus applications. It ensures seamless data transfer across devices with varying power domains.

Application Scenarios:

1. Integration of Diverse Voltage Systems: The PCA9306DCURG4 excels in scenarios where devices like a low-voltage microcontroller must communicate with a higher-voltage I2C device.

2. Facilitating I2C/SMBus Communications: It's vital in setups that employ I2C or SMBus communication protocols, connecting components with non-matching voltage levels.

Key Features and Parameters:

1. Two-Way Voltage Translation: The PCA9306DCURG4 is capable of bidirectional voltage translation, crucial for protocols like I2C and SMBus.

2. Adjustable Voltage Range: On the A side, it may translate between 1.0 and 3.6 volts, and on the B side, between 1.8 and 5.5 volts.

3. Energy-Efficient Design: Designed for low power consumption, it's ideal for battery-powered applications.

4. High-Speed Operation Compatibility: It accommodates fast mode I2C-bus operations, suitable for rapid data exchange.

Circuit Connection Example: Connecting a 1.8V Microcontroller to a 5V I2C Device

Overview: This example demonstrates using PCA9306DCURG4 to interface a 1.8V microcontroller with a 5V I2C device.

1. Power Supply Linkage:

- V_REF1 (pin 6) should be attached to the 1.8V power supply of the microcontroller.

- V_REF2 (pin 4) must be connected to the 5V power supply of the I2C device.

2. Establishing Ground Connection:

- GND (pin 3) needs to be connected to the system's ground.

3. I2C Bus Connectivity:

- SDA1 and SCL1 (pins 5 and 1, respectively) are to be linked to the microcontroller's I2C lines.

- SDA2 and SCL2 (pins 8 and 2, respectively) should be connected to the I2C lines of the 5V device.

4. Setting Up Pull-Up Resistors:

- Proper pull-up resistors should be connected to the SDA and SCL lines on both sides, tailored to the specific voltage levels and I2C requirements.

Design Considerations:

1. Voltage Compatibility Assurance: It's crucial to ensure that V_REF1 and V_REF2 match the operating voltages of the microcontroller and the I2C device, respectively.

2. Optimal Pull-Up Resistor Selection: Selecting the right pull-up resistors is key to stable I2C communication.

3. Bus Capacitance and Physical Layout: Consider the capacitance and physical layout of the I2C bus to maintain signal integrity.

4. Reliable Power Sources: Provide stable and clean power supplies to prevent communication errors.

To sum up, the PCA9306DCURG4 is an essential component in systems where voltage level translation is required for I2C or SMBus communication. Its ability to enable communication between devices operating at different voltage levels makes it invaluable in various electronic applications, especially in mixed-voltage environments.

PCA9306DCURG4 information

PCA9306DCURG4 Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Last Time Buy
TranslatorType:
Voltage Level
ChannelType:
Bidirectional
NumberofCircuits:
1
ChannelsperCircuit:
2
Voltage-VCCA:
1.2 V ~ 3.3 V
Voltage-VCCB:
1.8 V ~ 5.5 V
InputSignal:
-
OutputSignal:
-
OutputType:
Open Drain, Push-Pull
DataRate:
-
OperatingTemperature:
-40°C ~ 105°C (TA)
Features:
Auto-Direction Sensing
MountingType:
Surface Mount

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6. What is the process for return or replacement of PCA9306DCURG4?

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of PCA9306DCURG4.

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