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MCP23017T-E/SS

Name: MCP23017T-E/SS
Rating: 4.7 (12 reviews)

IC I/O EXPANDER 16BIT I2C 28SSOP

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包 SSOP-28
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規格

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
NumberofI/O	16
Interface	I²C
InterruptOutput	Yes
Features	POR
OutputType	Push-Pull
Current-OutputSource/Sink	25mA
ClockFrequency	1.7 MHz
Voltage-Supply	1.8V ~ 5.5V
OperatingTemperature	-40°C ~ 125°C
MountingType	Surface Mount
Package/Case	28-SSOP (0.209, 5.30mm Width)

概述

Description

The MCP23017T-E/SS is a 16-bit I/O expander that communicates with microcontrollers via the I2C bus. It allows for the expansion of GPIO (General Purpose Input/Output) pins, making it ideal for applications requiring additional inputs and outputs, such as controlling LEDs, reading switches, or interfacing with other peripherals.
Key features of the MCP23017 include:
- 16 GPIO Pins: Configurable as input or output.
- I2C Interface: Supports multiple devices on the same bus (up to 8 devices with unique addresses).
- Interrupt Capability: Facilitates efficient event handling for input changes.
- Pull-up Resistors: Internal resistors can be enabled for input pins.
- Wide Voltage Range: Operates between 1.8V to 5.5V, making it compatible with various microcontrollers.
The MCP23017 is widely used in robotics, automation, and embedded systems, providing a simple and effective solution for expanding I/O capabilities without requiring additional microcontroller pins.

Features

The MCP23017T-E/SS is a 16-bit I/O expander for I2C bus applications. Key features include:
1. 16 GPIO Pins: Configurable as input or output, allowing flexibility in interfacing with various devices.
2. I2C Interface: Supports standard and fast-mode I2C communication (up to 1 MHz).
3. Multiple Devices: Up to eight MCP23017 devices can be connected on the same I2C bus, using different addresses.
4. Interrupt Capability: Each GPIO pin can generate an interrupt, allowing for efficient event handling.
5. Pull-up Resistors: Internal configurable pull-up resistors for input pins enhance signal integrity.
6. Hardware Addressing: Three address pins (A0, A1, A2) allow for address configuration.
7. Low Power Consumption: Suitable for battery-powered applications with low quiescent current.
8. Wide Voltage Range: Operates with a supply voltage from 1.8V to 5.5V.
These features make the MCP23017T-E/SS ideal for expanding I/O capabilities in microcontroller-based systems.

Package

The MCP23017T-E/SS is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package) format, which is designed for surface mount applications.

Pinout

The MCP23017T-E/SS is a 16-bit I/O expander that utilizes the I2C interface. It comes in a 28-pin SSOP (Shrink Small Outline Package) configuration.
Pin Count: 28 pins
Key Functions:
- I/O Ports (GP0-GP15): 16 general-purpose I/O pins that can be configured as input or output.
- I2C Interface Pins:
- SDA (Serial Data Line)
- SCL (Serial Clock Line)
- Address Pins (A0, A1, A2): Allow for up to 8 devices to be connected on the same I2C bus by setting different addresses.
- Reset Pin: Reset the device to its default state.
- Interrupt Pins (INTA, INTB): For handling interrupt signals from the I/O pins.
- VDD and VSS: Power supply and ground connections.
The MCP23017T-E/SS is commonly used to expand the number of I/O pins in microcontroller applications, allowing for additional peripherals and sensors to be connected.

Manufacturer

The MCP23017T-E/SS is manufactured by Microchip Technology Inc., a leading provider of microcontroller and analog semiconductor solutions. Founded in 1989, Microchip specializes in embedded control and offers a wide range of products including microcontrollers, digital signal controllers, and memory devices. The company serves various industries such as automotive, industrial, consumer, and communications. Microchip is known for its focus on innovation, reliability, and customer support, providing comprehensive development tools and resources to facilitate design and integration of their products into customer applications.

Application

The MCP23017T-E/SS is a 16-bit I/O expander that interfaces with microcontrollers via I2C. Its application areas include expanding GPIO ports for embedded systems, driving LEDs, reading switches, interfacing with sensors, and controlling motor drivers in robotics. It is commonly used in home automation, industrial controls, and consumer electronics to enhance functionality and connectivity without increasing microcontroller pin count.

Equivalent

The MCP23017T-E/SS is a 16-bit I/O expander with I2C interface. Equivalent products include:
1. PCF8575 - 16-bit I/O expander over I2C.
2. MCP23S17 - 16-bit I/O expander with SPI interface.
3. TCA9555 - 16-bit I/O expander with I2C interface.
These alternatives provide similar functionality but may differ in interface type, power consumption, or other specifications.