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PCA9532D,118
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PCA9532D,118

Product Overview

Category

PCA9532D,118 belongs to the category of integrated circuits (ICs).

Use

The PCA9532D,118 is commonly used as an 8-bit I2C-bus and SMBus I/O expander. It provides general-purpose remote I/O expansion for most microcontroller families via the I2C-bus interface.

Characteristics

  • 8-bit remote I/O expansion
  • Low standby current consumption
  • Compatible with I2C-bus and SMBus protocols
  • Internal power-on reset
  • Noise filter on SCL/SDA inputs
  • No glitch on power-up
  • Supports hot insertion
  • Active-low reset input
  • Polarity inversion register
  • Open-drain interrupt output
  • 5 V tolerant I/O ports
  • ESD protection exceeds 2000 V HBM per JESD22-A114 and 1000 V CDM per JESD22-C101

Package

The PCA9532D,118 is available in a small outline package (SOT96-1) which consists of 16 pins.

Essence

The essence of PCA9532D,118 lies in its ability to expand the number of I/O ports of a microcontroller using the I2C-bus interface.

Packaging/Quantity

The PCA9532D,118 is typically packaged in reels, with 2500 units per reel.

Specifications

  • Supply voltage: 2.3 V to 5.5 V
  • Input voltage range: GND to VDD
  • Operating temperature range: -40°C to +85°C
  • I2C-bus frequency: 100 kHz, 400 kHz, or 1 MHz
  • Maximum output current: ±10 mA
  • Maximum static current: 1 μA

Detailed Pin Configuration

The PCA9532D,118 has a total of 16 pins. The pin configuration is as follows:

  1. SDA - Serial data input/output
  2. SCL - Serial clock input
  3. A0 - Address input bit 0
  4. A1 - Address input bit 1
  5. RESET - Active-low reset input
  6. INT - Open-drain interrupt output
  7. P0 - General-purpose I/O port 0
  8. P1 - General-purpose I/O port 1
  9. P2 - General-purpose I/O port 2
  10. P3 - General-purpose I/O port 3
  11. P4 - General-purpose I/O port 4
  12. P5 - General-purpose I/O port 5
  13. P6 - General-purpose I/O port 6
  14. P7 - General-purpose I/O port 7
  15. VDD - Supply voltage
  16. GND - Ground

Functional Features

The PCA9532D,118 offers the following functional features: - Remote I/O expansion - Low power consumption - Compatibility with I2C-bus and SMBus protocols - Power-on reset functionality - Noise filtering on SCL/SDA inputs - Hot insertion support - Polarity inversion register - Open-drain interrupt output - 5 V tolerant I/O ports - High ESD protection

Advantages and Disadvantages

Advantages

  • Provides additional I/O ports for microcontrollers
  • Low standby current consumption
  • Supports multiple communication protocols
  • Easy integration with existing systems
  • Robust ESD protection

Disadvantages

  • Limited number of I/O ports (8-bit)
  • Requires I2C-bus interface support in the microcontroller

Working Principles

The PCA9532D,118 operates by communicating with a microcontroller through the I2C-bus interface. It receives commands from the microcontroller and controls the I/O ports accordingly. The device can be addressed using different address combinations, allowing multiple PCA9532D,118 devices to be connected on the same bus.

Detailed Application Field Plans

The PCA9532D,118 finds applications in various fields, including but not limited to: - Industrial automation - Home automation - Internet of Things (IoT) devices - Robotics - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to PCA9532D,118 are: - PCA9554PW,112 - MCP23008-E/SO - MAX7313ATG+ - TCA9539PW,118 - PCF8574T/3,518

These alternative models can be considered based on specific requirements and compatibility with the target system.

In conclusion, the PCA9532D,118 is an 8-bit I2C-bus and SMBus I/O expander that provides remote I/O expansion for microcontrollers

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van PCA9532D,118 in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of PCA9532D,118:

  1. Q: What is PCA9532D,118? A: PCA9532D,118 is a 16-bit I/O expander with an I2C interface, which allows for easy expansion of digital I/O ports in various technical solutions.

  2. Q: What is the maximum voltage that PCA9532D,118 can handle? A: PCA9532D,118 can handle a maximum voltage of 5.5V.

  3. Q: How many I/O pins does PCA9532D,118 have? A: PCA9532D,118 has 16 I/O pins, which can be configured as inputs or outputs.

  4. Q: Can PCA9532D,118 be used with both 3.3V and 5V microcontrollers? A: Yes, PCA9532D,118 is compatible with both 3.3V and 5V microcontrollers.

  5. Q: How do I communicate with PCA9532D,118 using the I2C interface? A: You can communicate with PCA9532D,118 by sending I2C commands and data through the SDA (data) and SCL (clock) lines.

  6. Q: Can PCA9532D,118 be cascaded with other I2C devices? A: Yes, PCA9532D,118 can be cascaded with other I2C devices on the same bus, using different I2C addresses.

  7. Q: What is the maximum current that each I/O pin of PCA9532D,118 can sink/source? A: Each I/O pin of PCA9532D,118 can sink/source a maximum current of 25mA.

  8. Q: Can PCA9532D,118 be used for driving LEDs? A: Yes, PCA9532D,118 is commonly used for driving LEDs as it can sink/source sufficient current for typical LED applications.

  9. Q: Does PCA9532D,118 have built-in pull-up resistors? A: Yes, PCA9532D,118 has built-in programmable pull-up resistors that can be enabled or disabled for each I/O pin.

  10. Q: Is there any example code or libraries available for programming PCA9532D,118? A: Yes, many microcontroller platforms provide libraries and example code for interfacing with PCA9532D,118, making it easier to integrate into your technical solution.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.