LTC4317CDHC#TRPBF

Product Overview

Category

LTC4317CDHC#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for bus buffering and level shifting applications.

Characteristics

• Bus Buffering: The LTC4317CDHC#TRPBF provides a buffer between two I2C buses, allowing them to operate at different voltage levels.
• Level Shifting: It enables communication between devices operating at different voltage levels by converting logic signals.
• Package: The LTC4317CDHC#TRPBF is available in a compact 16-pin DFN package.
• Essence: This IC facilitates seamless communication between I2C devices with varying voltage requirements.
• Packaging/Quantity: The LTC4317CDHC#TRPBF is typically sold in reels containing a specified quantity of units.

Specifications

The LTC4317CDHC#TRPBF offers the following specifications:

• Supply Voltage Range: 1.6V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Maximum Clock Frequency: 400kHz
• Quiescent Current: 0.8μA (typical)
• Number of Pins: 16
• Package Type: DFN

Detailed Pin Configuration

The pin configuration of LTC4317CDHC#TRPBF is as follows:

1. SDA1: I2C Data Input/Output for Bus 1
2. SCL1: I2C Clock Input for Bus 1
3. GND: Ground
4. VCC: Power Supply
5. ADD0: Address Select Bit 0
6. ADD1: Address Select Bit 1
7. SDA2: I2C Data Input/Output for Bus 2
8. SCL2: I2C Clock Input for Bus 2
9. ALERT: Open-Drain Alert Output
10. EN: Enable Pin
11. VCC1: Power Supply for Bus 1
12. VCC2: Power Supply for Bus 2
13. NC: No Connection
14. NC: No Connection
15. NC: No Connection
16. NC: No Connection

Functional Features

The LTC4317CDHC#TRPBF offers the following functional features:

• Bidirectional Buffering: It allows bidirectional data transfer between two I2C buses with different voltage levels.
• Automatic Level Shifting: The IC automatically adjusts the logic levels to ensure proper communication between devices operating at different voltages.
• Hot-Swappable: The LTC4317CDHC#TRPBF supports hot-swapping, enabling devices to be added or removed from the bus without interrupting the operation of other devices.
• Low Quiescent Current: With a quiescent current of only 0.8μA, this IC minimizes power consumption in low-power applications.

Advantages and Disadvantages

Advantages

• Enables communication between I2C devices with different voltage requirements.
• Supports bidirectional buffering and automatic level shifting.
• Compact package size allows for space-efficient integration into electronic devices.
• Low quiescent current reduces power consumption.

Disadvantages

• Limited to a maximum clock frequency of 400kHz.
• May require additional components for specific applications.

Working Principles

The LTC4317CDHC#TRPBF operates by monitoring the voltage levels on both I2C buses and automatically adjusting the logic levels to ensure proper communication. It acts as a buffer between the two buses, allowing them to operate at different voltage levels without interfering with each other. The IC also provides level shifting functionality, converting logic signals between the two voltage domains.

Detailed Application Field Plans

The LTC4317CDHC#TRPBF finds applications in various fields, including:

1. Consumer Electronics: It enables communication between devices operating at different voltage levels, such as smartphones, tablets, and smart home devices.
2. Industrial Automation: The IC facilitates seamless integration of I2C devices with varying voltage requirements in industrial automation systems.
3. Automotive Electronics: It allows for communication between different components in automotive systems, ensuring compatibility between devices with different voltage levels.
4. Medical Devices: The LTC4317CDHC#TRPBF is used in medical devices to enable communication between I2C sensors and controllers operating at different voltages.

Detailed and Complete Alternative Models

Some alternative models to LTC4317CDHC#TRPBF include:

1. PCA9306: This bidirectional I2C bus voltage level translator offers similar functionality to the LTC4317CDHC#TRPBF.
2. TXB0108: It is an 8-bit bidirectional voltage-level translator specifically designed for I2C applications.
3. BSS138: Although not a dedicated