PCA9618UKZ

Product Overview

Category

PCA9618UKZ belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for I2C bus buffering and level shifting.

Characteristics

• Provides bidirectional voltage-level translation between low-voltage and high-voltage I2C buses
• Supports I2C Fast Mode Plus (Fm+) with data rates up to 1 Mbps
• Features a dual-supply bus buffer with rise time accelerators
• Offers a flexible power supply range from 1.65 V to 5.5 V
• Compatible with both 2.5 V and 3.3 V systems
• Supports hot insertion
• Low standby current consumption

Package

PCA9618UKZ is available in a small form factor package, such as a 10-pin UQFN package.

Essence

The essence of PCA9618UKZ lies in its ability to enable reliable communication between devices operating at different voltage levels within an I2C bus system.

Packaging/Quantity

This product is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Supply Voltage Range: 1.65 V to 5.5 V
• Operating Temperature Range: -40°C to +85°C
• Maximum Data Rate: 1 Mbps
• Number of Pins: 10
• Package Type: UQFN

Detailed Pin Configuration

1. SDA1: I2C bus data line for channel 1
2. SCL1: I2C bus clock line for channel 1
3. GND: Ground connection
4. VDDA: Analog power supply
5. SDA0: I2C bus data line for channel 0
6. SCL0: I2C bus clock line for channel 0
7. VDDD: Digital power supply
8. OE: Output enable pin
9. VREF: Reference voltage for level shifting
10. VDD: Power supply

Functional Features

• Bidirectional voltage-level translation between low-voltage and high-voltage I2C buses
• Rise time accelerators for improved bus performance
• Supports hot insertion without bus contention
• Compatible with various voltage levels (2.5 V and 3.3 V systems)
• Low standby current consumption for power efficiency

Advantages and Disadvantages

Advantages

• Enables communication between devices operating at different voltage levels
• Supports high-speed data transfer up to 1 Mbps
• Flexible power supply range allows compatibility with various systems
• Small form factor package for space-constrained applications
• Hot insertion support simplifies system design

Disadvantages

• Limited to I2C bus applications
• Requires careful consideration of voltage level compatibility

Working Principles

PCA9618UKZ operates by translating the voltage levels of the I2C bus signals between two channels, allowing devices with different voltage requirements to communicate seamlessly. It utilizes rise time accelerators to improve bus performance and supports hot insertion without causing bus contention. The device is designed to be compatible with both 2.5 V and 3.3 V systems, providing flexibility in system integration.

Detailed Application Field Plans

PCA9618UKZ finds application in various fields where I2C bus buffering and level shifting are required. Some potential application areas include:

1. Consumer Electronics: Used in smart TVs, home automation systems, and audio/video equipment.
2. Industrial Automation: Employed in industrial control systems, sensor networks, and robotics.
3. Automotive: Integrated into automotive electronics, such as infotainment systems and advanced driver-assistance systems (ADAS).
4. Medical Devices: Utilized in medical equipment, patient monitoring systems, and diagnostic devices.
5. Internet of Things (IoT): Incorporated into IoT devices for communication between sensors, actuators, and controllers.

Detailed and Complete Alternative Models

1. PCA9517: Similar to PCA9618UKZ, this IC provides voltage-level translation for I2C buses but supports lower data rates.
2. TXB0108: A bidirectional voltage-level translator with eight channels, suitable for various bus systems including I2C.
3. SN74LVC1T45: Single-bit dual-supply voltage-level translator designed for open-drain applications.

These alternative models offer similar functionality to PCA9618UKZ and can be considered based on specific application requirements.

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