PI2USB3212ZHE

Product Overview

• Category: USB to I2C Bridge
• Use: The PI2USB3212ZHE is a USB to I2C bridge device that allows communication between a USB host and I2C devices.
• Characteristics: This device provides a convenient way to interface USB-enabled devices with I2C devices. It supports high-speed USB 2.0 communication and is compatible with various operating systems.
• Package: The PI2USB3212ZHE comes in a small form factor package, making it suitable for space-constrained applications.
• Essence: The essence of this product lies in its ability to bridge the gap between USB and I2C protocols, enabling seamless communication between the two.
• Packaging/Quantity: The PI2USB3212ZHE is typically sold in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Interface: USB 2.0
• I2C Speed: Up to 400 kHz
• Operating Voltage: 3.3V
• Operating Temperature: -40°C to +85°C
• Package Type: QFN
• Dimensions: 4mm x 4mm

Detailed Pin Configuration

The PI2USB3212ZHE has the following pin configuration:

1. VCC: Power supply input (3.3V)
2. GND: Ground
3. SDA: I2C data line
4. SCL: I2C clock line
5. INT: Interrupt output
6. USB_D+: USB data positive
7. USB_D-: USB data negative
8. USB_VBUS: USB power supply

Functional Features

• USB to I2C bridge functionality
• High-speed USB 2.0 communication
• Supports multiple I2C devices
• Interrupt output for event notification
• Small form factor package for space-constrained applications

Advantages and Disadvantages

Advantages: - Enables easy communication between USB and I2C devices - High-speed data transfer - Compact size for flexible integration - Interrupt feature for efficient event handling

Disadvantages: - Limited to USB 2.0 interface - Requires external power supply (3.3V)

Working Principles

The PI2USB3212ZHE acts as a bridge between a USB host and I2C devices. It converts USB commands into I2C protocol, allowing the USB host to communicate with I2C devices seamlessly. The device handles the translation of data and ensures reliable and efficient communication between the two interfaces.

Detailed Application Field Plans

The PI2USB3212ZHE finds applications in various fields, including:

1. Consumer Electronics: Used in smart home devices, IoT applications, and consumer electronics that require USB to I2C communication.
2. Industrial Automation: Enables communication between USB-enabled industrial equipment and I2C-based sensors or actuators.
3. Automotive: Used in automotive systems for diagnostics, firmware updates, and communication with I2C-based components.
4. Medical Devices: Facilitates communication between USB-enabled medical devices and I2C sensors or controllers.

Alternative Models

1. PI2USB212ZHE: Similar functionality but with a single I2C channel instead of two.
2. PI2USB3222ZHE: Dual-channel USB to I2C bridge with additional features like GPIO pins and SPI interface.

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