Diodes Incorporated
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PI7C9X20303ULAZPEX
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PI7C9X20303ULAZPEX

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: High-speed USB 3.0 to PCI Express (PCIe) bridge
  • Characteristics:
    • Supports SuperSpeed USB (5 Gbps) and Hi-Speed USB (480 Mbps) data rates
    • Compliant with PCI Express Base Specification 2.0
    • Low power consumption
    • Small form factor package
  • Package: Ultra-thin Quad Flat No-Lead (QFN)
  • Essence: Bridge chip for connecting USB 3.0 devices to PCIe interface
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies based on customer requirements

Specifications

  • Data Rates: Up to 5 Gbps (USB 3.0), up to 480 Mbps (USB 2.0)
  • PCI Express Interface: PCIe Gen2 x1
  • USB Interface: USB 3.0 SuperSpeed, USB 2.0 Hi-Speed
  • Power Supply: 3.3V
  • Operating Temperature: -40°C to +85°C
  • RoHS compliant: Yes

Detailed Pin Configuration

The PI7C9X20303ULAZPEX has a total of 64 pins. The pin configuration is as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VBUS | USB Power Supply | | 2 | D+ | USB Data Line (Positive) | | 3 | D- | USB Data Line (Negative) | | ... | ... | ... | | 64 | GND | Ground |

Please refer to the datasheet for the complete pin configuration.

Functional Features

  • USB 3.0 to PCIe bridge functionality
  • Supports simultaneous operation of USB 3.0 and USB 2.0 devices
  • Automatic speed negotiation between USB 3.0 and USB 2.0
  • Supports hot-plugging and plug-and-play functionality
  • Low power consumption for energy-efficient operation

Advantages and Disadvantages

Advantages: - Enables high-speed data transfer between USB 3.0 devices and PCIe interface - Compact form factor allows for integration in space-constrained designs - Supports backward compatibility with USB 2.0 devices - Low power consumption helps in reducing overall system power requirements

Disadvantages: - Limited to a single PCIe lane (x1), may not support high-bandwidth applications requiring more lanes - Requires additional components for complete USB 3.0 implementation, such as USB connectors and power management circuitry

Working Principles

The PI7C9X20303ULAZPEX acts as a bridge between USB 3.0 devices and the PCIe interface. It translates the USB protocol into PCIe protocol, allowing USB devices to communicate with the host system through the PCIe bus. The chip handles the conversion of data rates, manages power requirements, and ensures compatibility between USB 3.0 and PCIe specifications.

Detailed Application Field Plans

The PI7C9X20303ULAZPEX is commonly used in various applications, including: - External storage devices - High-speed data acquisition systems - Video capture cards - Industrial automation equipment - Gaming peripherals - Embedded systems requiring USB 3.0 connectivity

Detailed and Complete Alternative Models

  • PI7C9X20303SLAZPEX: Similar to PI7C9X20303ULAZPEX but with extended temperature range (-40°C to +105°C)
  • PI7C9X20303BLAZPEX: Similar to PI7C9X20303ULAZPEX but with a different package (BGA instead of QFN)
  • PI7C9X20303TLAZPEX: Similar to PI7C9X20303ULAZPEX but with enhanced ESD protection features

These alternative models offer similar functionality with slight variations in temperature range, package type, or additional features.

In conclusion, the PI7C9X20303ULAZPEX is a high-speed USB 3.0 to PCIe bridge chip that enables seamless communication between USB 3.0 devices and PCIe interface. Its compact size, low power consumption, and backward compatibility make it suitable for various applications requiring USB 3.0 connectivity.

Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan PI7C9X20303ULAZPEX dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of PI7C9X20303ULAZPEX in technical solutions:

  1. Q: What is PI7C9X20303ULAZPEX? A: PI7C9X20303ULAZPEX is a PCIe-to-USB bridge controller chip used for connecting USB devices to a computer via the PCI Express interface.

  2. Q: What are the key features of PI7C9X20303ULAZPEX? A: Some key features include support for USB 3.0 SuperSpeed, backward compatibility with USB 2.0/1.1, low power consumption, and advanced power management capabilities.

  3. Q: What are the typical applications of PI7C9X20303ULAZPEX? A: PI7C9X20303ULAZPEX is commonly used in various applications such as industrial automation, embedded systems, medical devices, gaming peripherals, and high-speed data transfer solutions.

  4. Q: How many USB ports can be supported by PI7C9X20303ULAZPEX? A: PI7C9X20303ULAZPEX supports up to four downstream USB ports, allowing multiple USB devices to be connected simultaneously.

  5. Q: Does PI7C9X20303ULAZPEX require any external components for operation? A: Yes, PI7C9X20303ULAZPEX requires external components such as crystal oscillators, capacitors, resistors, and voltage regulators for proper operation.

  6. Q: What operating systems are compatible with PI7C9X20303ULAZPEX? A: PI7C9X20303ULAZPEX is compatible with various operating systems including Windows, Linux, and macOS.

  7. Q: Can PI7C9X20303ULAZPEX support USB device charging? A: Yes, PI7C9X20303ULAZPEX supports USB Battery Charging Specification (BC 1.2), allowing it to provide dedicated charging ports for fast charging of compatible devices.

  8. Q: What is the maximum data transfer rate supported by PI7C9X20303ULAZPEX? A: PI7C9X20303ULAZPEX supports USB 3.0 SuperSpeed, which has a maximum data transfer rate of 5 Gbps (gigabits per second).

  9. Q: Does PI7C9X20303ULAZPEX support hot-plugging of USB devices? A: Yes, PI7C9X20303ULAZPEX supports hot-plugging, allowing USB devices to be connected or disconnected while the system is powered on.

  10. Q: Are there any development tools or software libraries available for PI7C9X20303ULAZPEX? A: Yes, the manufacturer provides development tools, reference designs, and software libraries to assist in the integration and development of solutions using PI7C9X20303ULAZPEX.