Semtech Corporation
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SX1505I087TRT
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SX1505I087TRT

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: GPIO Expander
  • Characteristics:
    • Low-voltage bidirectional translator
    • 16-bit I/O expander for I2C-bus/SMBus applications
    • Supports 1.65V to 5.5V VCC operation
    • 5V tolerant inputs
    • Open-drain or push-pull outputs
  • Package: 24-pin QFN package
  • Essence: The SX1505I087TRT is a versatile GPIO expander designed for use in various applications requiring additional input/output pins.
  • Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

  • Supply Voltage Range: 1.65V to 5.5V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Maximum Output Current: ±25mA
  • Operating Temperature Range: -40°C to +85°C
  • I2C Bus Frequency: Up to 400kHz

Detailed Pin Configuration

The SX1505I087TRT features a 24-pin QFN package with the following pin configuration:

  1. SDA - Serial Data Line
  2. SCL - Serial Clock Line
  3. INT - Interrupt Output
  4. RESET - Reset Input
  5. GND - Ground
  6. GP0 - General Purpose I/O 0
  7. GP1 - General Purpose I/O 1
  8. GP2 - General Purpose I/O 2
  9. GP3 - General Purpose I/O 3
  10. GP4 - General Purpose I/O 4
  11. GP5 - General Purpose I/O 5
  12. GP6 - General Purpose I/O 6
  13. GP7 - General Purpose I/O 7
  14. GP8 - General Purpose I/O 8
  15. GP9 - General Purpose I/O 9
  16. GP10 - General Purpose I/O 10
  17. GP11 - General Purpose I/O 11
  18. GP12 - General Purpose I/O 12
  19. GP13 - General Purpose I/O 13
  20. GP14 - General Purpose I/O 14
  21. GP15 - General Purpose I/O 15
  22. VCC - Supply Voltage
  23. NC - No Connection
  24. NC - No Connection

Functional Features

  • Bidirectional voltage-level translation between different logic levels
  • Expandable GPIO functionality for microcontrollers with limited I/O pins
  • Configurable input/output modes for each pin
  • Interrupt output for efficient event-driven applications
  • Reset input for system initialization and control

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - 5V tolerant inputs enable direct interfacing with standard TTL/CMOS logic levels - Flexible configuration options provide versatility in different applications - Interrupt output enhances efficiency in event-based designs

Disadvantages: - Limited maximum output current may restrict use in high-power applications - Lack of integrated pull-up/pull-down resistors may require external components in certain scenarios

Working Principles

The SX1505I087TRT operates as a bidirectional voltage-level translator and GPIO expander. It utilizes the I2C-bus/SMBus interface to communicate with a microcontroller or other devices. The device can be configured to function as either an input or output for each individual pin, allowing for versatile usage.

The bidirectional voltage-level translation feature enables seamless communication between devices operating at different logic levels. The device supports a wide supply voltage range, making it compatible with various systems.

Detailed Application Field Plans

The SX1505I087TRT finds applications in a wide range of fields, including but not limited to:

  1. Consumer Electronics:

    • Smart home devices
    • Remote controls
    • Wearable devices

  2. Industrial Automation:

    • Sensor interfaces
    • Control panels
    • Human-machine interfaces

  3. Automotive:

    • Infotainment systems
    • Interior lighting control
    • Climate control interfaces

  4. Internet of Things (IoT):

    • Edge devices
    • IoT gateways
    • Environmental monitoring systems

Detailed and Complete Alternative Models

  • SX1506I087TRT: Similar to SX1505I087TRT, but with 8 additional I/O pins.
  • MCP23017: I2C-bus/SMBus GPIO expander with 16 I/O pins and interrupt capabilities.
  • PCA9538: 8-bit I2C-bus/SMBus GPIO expander with configurable

Перечислите 10 распространенных вопросов и ответов, связанных с применением SX1505I087TRT в технических решениях.

Sure! Here are 10 common questions and answers related to the application of SX1505I087TRT in technical solutions:

  1. Q: What is SX1505I087TRT? A: SX1505I087TRT is a specific model of GPIO (General Purpose Input/Output) expander IC (Integrated Circuit) manufactured by Semtech Corporation.

  2. Q: What is the purpose of SX1505I087TRT? A: The purpose of SX1505I087TRT is to provide additional digital input/output pins for microcontrollers or other digital devices, expanding their capabilities.

  3. Q: How many GPIO pins does SX1505I087TRT have? A: SX1505I087TRT has a total of 16 GPIO pins, which can be configured as either inputs or outputs.

  4. Q: What voltage levels does SX1505I087TRT support? A: SX1505I087TRT supports voltage levels ranging from 1.65V to 5.5V, making it compatible with a wide range of digital systems.

  5. Q: Can SX1505I087TRT handle both analog and digital signals? A: No, SX1505I087TRT is designed specifically for digital signals and cannot handle analog signals.

  6. Q: How can I communicate with SX1505I087TRT? A: SX1505I087TRT communicates using the I2C (Inter-Integrated Circuit) protocol, allowing it to interface with microcontrollers or other devices supporting I2C communication.

  7. Q: Can SX1505I087TRT be used in both input and output modes simultaneously? A: Yes, SX1505I087TRT supports independent configuration of each GPIO pin, allowing it to be used in both input and output modes simultaneously.

  8. Q: What is the maximum current that SX1505I087TRT can source or sink on its GPIO pins? A: SX1505I087TRT can source or sink up to 25mA of current per GPIO pin, making it suitable for driving LEDs, relays, or other low-power devices.

  9. Q: Can I use multiple SX1505I087TRT ICs together in a single system? A: Yes, multiple SX1505I087TRT ICs can be used together in a single system by assigning unique I2C addresses to each IC.

  10. Q: Are there any application examples where SX1505I087TRT can be used? A: Yes, SX1505I087TRT can be used in various applications such as industrial automation, consumer electronics, IoT (Internet of Things) devices, robotics, and more, where additional digital I/O pins are required.

Please note that the answers provided here are general and may vary depending on the specific requirements and implementation of SX1505I087TRT in different technical solutions.