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PCA9535AHF,128
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PCA9535AHF,128

Product Overview

Category

The PCA9535AHF,128 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 I2C-bus and SMBus I/O expander optimized for dimming and blinking LED applications
  • Packaging/Quantity: Tape and Reel (3,000 units per reel)

Specifications

The PCA9535AHF,128 features: - 16 GPIO pins - 400 kHz I2C-bus interface - Operating voltage range: 2.3 V to 5.5 V - Low standby current consumption

Detailed Pin Configuration

The pin configuration of PCA9535AHF,128 includes 24 pins in a TSSOP package, with each pin serving specific I/O functions.

Functional Features

The functional features of PCA9535AHF,128 include: - Programmable PWM output - Individual LED brightness control - Blinking LED functionality - Software programmable I/O configuration

Advantages and Disadvantages

Advantages

  • Simplifies I/O expansion for microcontrollers
  • Allows precise control over LED brightness
  • Low power consumption

Disadvantages

  • Limited number of GPIO pins
  • Requires I2C-bus interface support from the host system

Working Principles

The PCA9535AHF,128 operates by interfacing with a microcontroller or digital system through the I2C-bus interface. It allows the host system to control and monitor the I/O pins, enabling tasks such as LED dimming and blinking.

Detailed Application Field Plans

The PCA9535AHF,128 finds application in various fields, including: - LED lighting control systems - Industrial automation - Consumer electronics - Automotive applications

Detailed and Complete Alternative Models

Some alternative models to PCA9535AHF,128 include: - MCP23017 - MAX7311 - PCF8574

In conclusion, the PCA9535AHF,128 is a versatile I/O expander that offers precise control over LED applications and simplifies I/O expansion for digital systems.

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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät PCA9535AHF,128 :n soveltamiseen teknisissä ratkaisuissa

  1. What is PCA9535AHF,128?

    • PCA9535AHF,128 is an 16-bit I2C-bus and SMBus I/O expander optimized for dimming LEDs in a variety of applications.

  2. What is the maximum voltage rating for PCA9535AHF,128?

    • The maximum voltage rating for PCA9535AHF,128 is 5.5V.

  3. How many GPIO pins does PCA9535AHF,128 have?

    • PCA9535AHF,128 has 16 GPIO pins.

  4. Can PCA9535AHF,128 be used for LED dimming?

    • Yes, PCA9535AHF,128 is optimized for dimming LEDs and can be used for this purpose.

  5. What is the communication interface for PCA9535AHF,128?

    • PCA9535AHF,128 uses the I2C-bus and SMBus communication interfaces.

  6. Is PCA9535AHF,128 suitable for automotive applications?

    • Yes, PCA9535AHF,128 is suitable for automotive applications due to its robust design and wide voltage range.

  7. What is the maximum sink current per channel for PCA9535AHF,128?

    • The maximum sink current per channel for PCA9535AHF,128 is 25mA.

  8. Can PCA9535AHF,128 be cascaded with other devices?

    • Yes, PCA9535AHF,128 can be cascaded with other devices to expand the number of I/Os available.

  9. Does PCA9535AHF,128 have built-in ESD protection?

    • Yes, PCA9535AHF,128 has built-in ESD protection on all I/O pins.

  10. What are some typical applications for PCA9535AHF,128?

    • Typical applications for PCA9535AHF,128 include LED dimming control, push button inputs, and various general-purpose I/O expansion tasks.