PCA9501D,118

Product Overview

Category

PCA9501D,118 belongs to the category of integrated circuits (ICs).

Use

The PCA9501D,118 is commonly used as an I/O expander in various electronic devices.

Characteristics

• The PCA9501D,118 is a 16-bit I/O expander with an I2C-bus interface.
• It provides general-purpose remote I/O expansion for most microcontroller families.
• The device features a low standby current consumption, making it suitable for battery-powered applications.
• It operates at a wide voltage range, from 2.3V to 5.5V.
• The PCA9501D,118 supports both 100kHz and 400kHz I2C-bus speeds.
• It comes in a small package, making it ideal for space-constrained designs.

Package

The PCA9501D,118 is available in a small outline package (SOT96-1) with 20 pins.

Essence

The essence of PCA9501D,118 lies in its ability to expand the input/output capabilities of microcontrollers through the I2C-bus interface.

Packaging/Quantity

The PCA9501D,118 is typically packaged in reels, with 2500 units per reel.

Specifications

• Supply Voltage: 2.3V to 5.5V
• I2C-bus Interface: Supports 100kHz and 400kHz speeds
• Number of I/O Pins: 16
• Standby Current: 1µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PCA9501D,118 has a total of 20 pins. The pin configuration is as follows:

1. SDA - Serial Data Input/Output
2. SCL - Serial Clock Input
3. RESET - Reset Input 4-19. I/O0-I/O15 - General Purpose I/O Pins
4. VCC - Supply Voltage

Functional Features

• 16-bit remote I/O expansion
• Bidirectional I/O pins
• Internal power-on reset
• Noise filter on SDA/SCL inputs
• Low standby current consumption
• Compatible with most microcontroller families

Advantages and Disadvantages

Advantages

• Compact package size
• Wide operating voltage range
• Low standby current consumption
• Supports multiple I2C-bus speeds
• Suitable for battery-powered applications

Disadvantages

• Limited number of I/O pins (16)

Working Principles

The PCA9501D,118 operates by receiving commands from a microcontroller through the I2C-bus interface. It then expands the available I/O pins, allowing the microcontroller to control additional devices or read input signals. The bidirectional I/O pins can be configured as either inputs or outputs, providing flexibility in various applications.

Detailed Application Field Plans

The PCA9501D,118 finds applications in a wide range of electronic devices, including but not limited to: - Home automation systems - Industrial control systems - Consumer electronics - Automotive electronics - Internet of Things (IoT) devices

In home automation systems, the PCA9501D,118 can be used to expand the number of I/O pins available for controlling lights, sensors, and other devices. In industrial control systems, it enables the connection of multiple sensors and actuators to a central controller. In consumer electronics, the PCA9501D,118 can be utilized for user interface expansion or connecting peripherals. In automotive electronics, it can assist in managing various vehicle functions. Additionally, in IoT devices, the PCA9501D,118 allows for efficient communication between sensors and microcontrollers.

Detailed and Complete Alternative Models

• PCA9500D,118
• PCA9502D,118
• PCA9503D,118
• PCA9504D,118
• PCA9505D,118

These alternative models offer similar functionality to the PCA9501D,118 and can be considered as alternatives based on specific project requirements.

In conclusion, the PCA9501D,118 is a versatile I/O expander integrated circuit that provides additional input/output capabilities for microcontrollers. With its compact size, wide voltage range, and low standby current consumption, it is suitable for various applications in different industries.