PCA9515ADRGR

Product Overview

Category: Integrated Circuit (IC)

Use: Level shifting and translating between different voltage levels in I2C bus applications.

Characteristics: - Bidirectional voltage level translation - Supports I2C Fast Mode Plus (Fm+) with speeds up to 1 MHz - Compatible with both 3.3V and 5V systems - Low standby current consumption - ESD protection for robust operation

Package: VSSOP-8

Essence: The PCA9515ADRGR is a level translator IC designed specifically for I2C bus applications, allowing communication between devices operating at different voltage levels.

Packaging/Quantity: The PCA9515ADRGR is available in a VSSOP-8 package. It is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 2.3V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Maximum Data Rate: 1 MHz
• Standby Current: 10 µA (typical)
• ESD Protection: ±8 kV (HBM), ±500 V (CDM)

Pin Configuration

The PCA9515ADRGR has the following pin configuration:

___________ SDA | 1 8 | VCC SCL | 2 7 | OE GND | 3 6 | SDAOUT SDAIN | 4 5 | SCLIN |__________|

Functional Features

• Bidirectional voltage level translation between two I2C buses operating at different voltage levels.
• Automatic direction sensing and control.
• Supports I2C Fast Mode Plus (Fm+) with speeds up to 1 MHz.
• Provides ESD protection for reliable operation.

Advantages and Disadvantages

Advantages: - Enables communication between devices operating at different voltage levels. - Supports high-speed data transfer up to 1 MHz. - Low standby current consumption helps conserve power. - Provides ESD protection, enhancing device reliability.

Disadvantages: - Limited to I2C bus applications and may not be suitable for other protocols. - Requires careful consideration of voltage level compatibility to avoid signal degradation or damage.

Working Principles

The PCA9515ADRGR operates by monitoring the voltage levels on both sides of the translator. It automatically senses the direction of data flow and adjusts the voltage levels accordingly. This bidirectional level shifting allows devices operating at different voltage levels to communicate seamlessly over the I2C bus.

Detailed Application Field Plans

The PCA9515ADRGR is commonly used in various applications where voltage level translation is required in I2C bus communication. Some typical application fields include:

1. Embedded Systems: Used in microcontroller-based systems where different components operate at different voltage levels.
2. Industrial Automation: Facilitates communication between sensors, actuators, and control units operating at different voltage levels.
3. Consumer Electronics: Enables interoperability between devices with varying voltage requirements, such as smartphones, tablets, and peripherals.
4. Automotive Electronics: Allows communication between different modules and subsystems within a vehicle, which may have different voltage levels.

Detailed and Complete Alternative Models

1. PCA9306: Similar bidirectional I2C bus voltage level translator with automatic direction sensing. Supports voltage translation between 1.2V and 3.3V systems.
2. TXB0108: Eight-channel bidirectional voltage-level translator with automatic direction sensing. Supports voltage translation between 1.2V and 3.6V systems.
3. SN74LVC4245A: Octal bus transceiver and voltage level translator with 3-state outputs. Supports voltage translation between 1.2V and 5.5V systems.

These alternative models offer similar functionality to the PCA9515ADRGR but may have different specifications or package options.

In conclusion, the PCA9515ADRGR is a versatile level translator IC designed for I2C bus applications. It enables seamless communication between devices operating at different voltage levels, supporting high-speed data transfer and providing ESD protection. Its compact VSSOP-8 package makes it suitable for various application fields, including embedded systems, industrial automation, consumer electronics, and automotive electronics. Alternative models such as PCA9306, TXB0108, and SN74LVC4245A offer similar functionality and can be considered based on specific requirements.