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PCA9552PW,112
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PCA9552PW,112

Product Overview

Category

The PCA9552PW,112 belongs to the category of I/O expanders.

Use

It is used to provide additional input/output (I/O) ports for microcontrollers or other digital systems.

Characteristics

  • Package: TSSOP
  • Essence: 16-bit I/O expander with I2C-bus interface
  • Packaging/Quantity: Tape and Reel (3,000 units per reel)

Specifications

The PCA9552PW,112 features: - 5 V tolerant I/Os - Operating voltage range of 2.3 V to 5.5 V - Low standby current consumption of 1 µA

Detailed Pin Configuration

The PCA9552PW,112 has a total of 24 pins, including: - 16 I/O pins - 2 power supply pins - 6 control and communication pins

Functional Features

The functional features of PCA9552PW,112 include: - Programmable I/O logic levels - Interrupt output capability - Internal power-on reset

Advantages and Disadvantages

Advantages

  • Simplifies I/O expansion
  • Low power consumption
  • Small package size

Disadvantages

  • Limited number of I/O pins
  • Requires I2C-bus interface support

Working Principles

The PCA9552PW,112 operates by communicating with the host microcontroller through the I2C-bus interface. It can be programmed to configure its I/O pins as inputs or outputs, allowing for flexible interfacing with external devices.

Detailed Application Field Plans

The PCA9552PW,112 is commonly used in various applications, including: - Consumer electronics - Industrial automation - Automotive systems - IoT devices

Detailed and Complete Alternative Models

Some alternative models to PCA9552PW,112 include: - MCP23017 - PCF8574 - MAX7311

In conclusion, the PCA9552PW,112 is a versatile I/O expander that offers flexibility and convenience for digital system designers. Its low power consumption and compact package make it suitable for a wide range of applications.

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技術ソリューションにおける PCA9552PW,112 の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the PCA9552PW,112?

    • The PCA9552PW,112 is a 16-bit I2C-bus and SMBus I/O expander with an open-drain interrupt output.

  2. What is the supply voltage range for PCA9552PW,112?

    • The supply voltage range for PCA9552PW,112 is 2.3 V to 5.5 V.

  3. How many I/O pins does the PCA9552PW,112 have?

    • The PCA9552PW,112 has 16 I/O pins.

  4. What is the maximum sink current per I/O pin of PCA9552PW,112?

    • The maximum sink current per I/O pin of PCA9552PW,112 is 25 mA.

  5. Can PCA9552PW,112 be used in automotive applications?

    • Yes, PCA9552PW,112 can be used in automotive applications as it is AEC-Q100 qualified.

  6. What is the purpose of the open-drain interrupt output in PCA9552PW,112?

    • The open-drain interrupt output in PCA9552PW,112 can be used to indicate that input changes have occurred.

  7. Is PCA9552PW,112 compatible with the I2C-bus and SMBus?

    • Yes, PCA9552PW,112 is compatible with the I2C-bus and SMBus.

  8. What is the operating temperature range for PCA9552PW,112?

    • The operating temperature range for PCA9552PW,112 is -40°C to +125°C.

  9. Can PCA9552PW,112 be used in industrial control systems?

    • Yes, PCA9552PW,112 can be used in industrial control systems due to its wide operating temperature range and robustness.

  10. Does PCA9552PW,112 have any built-in ESD protection?

    • Yes, PCA9552PW,112 has built-in ESD protection on all pins, which enhances its reliability in various applications.