PCA9513D,118

Product Overview

Category

PCA9513D,118 belongs to the category of integrated circuits (ICs).

Use

The PCA9513D,118 is commonly used as a level translator and repeater for I2C-bus systems.

Characteristics

• The device operates as a bidirectional buffer between the low-voltage (down to 0.9V) and high-voltage (up to 5.5V) I2C-bus sections.
• It provides voltage-level shifting without the need for external diodes.
• The PCA9513D,118 supports clock stretching and multiple masters on the bus.
• It has built-in ESD protection, making it robust against electrostatic discharge.

Package

The PCA9513D,118 comes in a small outline package (SOT96-1), also known as a Thin Shrink Small Outline Package (TSSOP).

Essence

The essence of PCA9513D,118 lies in its ability to facilitate communication between devices operating at different voltage levels within an I2C-bus system.

Packaging/Quantity

The PCA9513D,118 is typically packaged in reels, with 2500 units per reel.

Specifications

• Supply Voltage: 0.9V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Maximum Data Rate: 400 kbit/s
• Number of Channels: 2
• RoHS Compliant: Yes

Detailed Pin Configuration

The PCA9513D,118 features a 10-pin configuration:

1. SDA1: I2C-bus data line for channel 1
2. SCL1: I2C-bus clock line for channel 1
3. VCC1: Power supply for channel 1
4. GND: Ground
5. SDA2: I2C-bus data line for channel 2
6. SCL2: I2C-bus clock line for channel 2
7. VCC2: Power supply for channel 2
8. OE: Output enable input
9. EN: Enable input
10. NC: No connection

Functional Features

• Bidirectional voltage-level translation between low-voltage and high-voltage I2C-bus sections.
• Automatic direction sensing and control.
• Clock stretching support.
• Multiple masters on the bus.
• ESD protection.

Advantages and Disadvantages

Advantages

• Simplifies interfacing between devices operating at different voltage levels in an I2C-bus system.
• Eliminates the need for external diodes.
• Supports clock stretching and multiple masters.
• Provides built-in ESD protection.

Disadvantages

• Limited to a maximum data rate of 400 kbit/s.
• Requires careful consideration of power supply requirements.

Working Principles

The PCA9513D,118 operates by monitoring the voltage levels on the I2C-bus lines and automatically adjusting the direction of data flow accordingly. It uses internal circuitry to shift the voltage levels between the low-voltage and high-voltage sections of the I2C-bus, allowing devices with different voltage requirements to communicate seamlessly.

Detailed Application Field Plans

The PCA9513D,118 finds applications in various fields where I2C-bus systems are used. Some examples include:

1. Consumer Electronics: Facilitating communication between low-voltage and high-voltage devices in smart TVs, home automation systems, and audio/video equipment.
2. Automotive: Enabling compatibility between different voltage levels in automotive infotainment systems, instrument clusters, and advanced driver-assistance systems (ADAS).
3. Industrial Automation: Supporting communication between industrial sensors, actuators, and control systems operating at different voltage levels.
4. Medical Devices: Ensuring interoperability between medical equipment components with varying voltage requirements.

Detailed and Complete Alternative Models

1. PCA9306: Similar bidirectional I2C-bus voltage-level translator with automatic direction sensing.
2. TXB0108: Eight-channel bi-directional level shifter for various digital signals, including I2C.
3. BSS138: General-purpose N-channel MOSFET used for level shifting applications.

These alternative models offer similar functionality to the PCA9513D,118 and can be considered as alternatives based on specific application requirements.

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