Name: MCP23017 IO Expander IC
Brand: OEM
SKU: KW-6NS8-ZUZI
Price: 345 INR
Availability: InStock

Product Overview:
MCP23017 16-bit I/O Expander IC (Integrated Circuit) is a powerful multiplexed input/output (I/O) expansion port that expands the number of I/O pins available on a microcontroller (MCU) or other system. The MCP23017 is a member of the MCP230xx family of I/O expanders, offering a cost-effective and flexible solution for adding multiple I/O pins to your project without taking up a significant amount of space.
Key Features:
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Simple Interface: Communicates with the host microcontroller over the popular I²C (Inter-Integrated Circuit) bus, making it easy to add additional IO functionality to any I²C-enabled microcontroller.
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16 I/O Lines: Each MCP23017 provides 8 general-purpose input/output (GPIO) pins that can be configured as inputs or outputs, allowing you to control a multitude of external devices such as LEDs, buttons, relays, or other digital devices.
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Bank-selectable I/O: The MCP23017 features three banking modes that allow you to control multiple MCP23017 devices on the same I²C bus. By selectively activating one of the individual banks, you can independently control multiple MCP23017s.
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Built-in 10-bit Digital-to-Analog Converters (DAC): The MCP23017 comes equipped with two 10-bit DACs that can be used to create analog output voltage levels. This is perfect for applications requiring analog control over external sensors or devices.
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Assorted Modes: The MCP23017 offers a variety of modes, such as Standard, Open Drain, and 5V tolerant input modes, providing versatile options to suit different application requirements.
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Rich Peripherals: In addition to the 8 GPIO pins, the MCP23017 features a built-in oscillator and an optional Internal Pull-up Resistor (IPU) for each GPIO and four open-drain INT/GE pins that can be used for hardware interrupt and general-purpose output functions.
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Applications:
The MCP23017 is an ideal choice for various applications, including but not limited to:
- Embedded systems and control panels
- Home automation projects
- Gaming consoles and controllers
- Industrially-aimed control systems
- LED control for lighting and effects
- Data acquisition systems
- Robotics
Specifications:
<ul>
<li>Analog Input Resolution: 10-bit</li>
<li>Operating Voltage: 3.0 to 5.5 V</li>
<li>Current Consumption: 1 μA (typ) for standby</li>
<li>I/O Pin Voltage: 3.0 to 5.5 V</li>
<li>Maximum I/O Source/Sink Current: 16 mA</li>
<li>Temperature Range: -40°C to +125°C</li>
<li>Packaging: SOT-23-5 PLCC</li>
</ul>
Resources:
<ul>
<li><a href="https://www.microchip.com/wwwproducts/en/MCP23017">Datasheet</a></li>
<li><a href="https://www.microchip.com/en-us/products/MCP23017">MCP23017 Microchip Website</a></li>
<li><a href="https://www.microcenter.com/product/628752/mcp23017-16-bit-i2c-io-expander-with-4-dac-and-3-sitem-chips">MCP23017 Breakout Boards and Accessories</a></li>
<li><a href="https://www.element14.com/community/tag/mcp23017">MCP23017 Project Ideas and Tutorials</a></li>
</ul>

Specification

Title: Key Features of MCP23017 I2C-controlled 16-bit IO Expander
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Wide Compatibility: The MCP23017 is an I2C-controlled 16-bit I/O expander that is fully compatible with most popular microcontrollers supporting I2C communication, such as PIC, AVR, Arduino, and Raspberry Pi, making it an excellent choice for embedded systems development.
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16 General-Purpose Input/Output Pins: With 16 fully-programmable GPIO pins, the MCP23017 provides extensive input and output flexibility for a wide range of projects, from interface expansion to signal conditioning, motor control, and sensor integration.
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Inter-Integrated Circuit (I2C) Interface: The MCP23017 communicates using the standard two-wire I2C bus (SDA and SCL) that significantly reduces expensive connections and simplifies the wiring, making it ideal for compact applications and reducing the overall complexity of your design.
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Internal Level Shifting: The MCP23017 features onboard voltage level shifting, providing reliable connections to 3.3V and 5V systems, eliminating the need for additional level-shifting components and ensuring proper communication between devices.
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Onboard Pull-up Resistors: Integrated 10k ohm pull-up resistors on the I2C control pins keep communication running smoothly and help prevent signal noise and instability, even with long cable lengths.
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Configurable as Input or Output: Each of the 16 GPIO pins can be programmed as either inputs or outputs, allowing for flexible control of various peripherals and devices according to the needs of your project.
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Integrated Open Drain and Tri-State Outputs: The configurable open-drain outputs help reduce power consumption and ensure compatibility with external active-low devices, while the tri-state outputs make it simple to daisy-chain multiple MCP23017s for larger expansion projects.
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Power-Saving Features: With low-power operation and the ability to shut down individual GPIO pins, the MCP23017 is an energy-efficient choice for battery-powered or low power applications.
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Programmable Interrupts: The MCP23017 includes programmable interrupt inputs that can be used to trigger events based on input changes, helping to optimize your system's responsiveness and streamline your project's software.
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Onboard Analog-to-Digital Converter: To support the integration of sensors, the MCP23017 features an onboard analog-to-digital converter (ADC), allowing direct measurement of up to 4 analog signals, eliminating the need for external ADC chips.
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Built-in Current-Limited Open-Drain Fail-Safe Pins: In the event of over-current or short-circuit conditions, the MCP23017's open-drain pins will automatically disconnect, protecting your project from damage and preventing component failure.
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Scalability and Modularity: Easily extend the functionality and complexity of your projects by connecting multiple MCP23017s using their daisy-chain capability, allowing for versatile expansion with minimal wiring requirements.
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With these key features, MCP23017 combines power-saving, flexible control, and compatibility with an extensive range of devices, making it an indispensable tool for embedded systems, sensor interfacing, and microcontroller projects.

MCP23017 IO Expander IC

Key Features

Specification

Features

Support

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