CP2120-GM - Silicon Labs

Manufacturer Part Number

CP2120-GM

Manufacturer

silicon-labs

Introduction

The CP2120-GM is an interface I/O expander designed to provide additional input/output capability to a microcontroller via I2C and SPI interfaces, primarily aimed to operate in systems with limited GPIOs.

Product Features and Performance

Expands I/O capabilities with 8 additional inputs/outputs

Supports both I2C and SPI communications

Includes interrupt output functionality

Supports both open drain and push-pull output types

Can handle current output source/sink of 10mA and 25mA

Product Advantages

Provides flexible connection options through both I2C and SPI

Supports high integration with minimal external components needed

Wide operating temperature range from -40°C to 85°C suitable for industrial applications

Key Technical Parameters

Number of I/O: 8

Interface: I2C, SPI

Interrupt Output: Yes

Output Type: Open Drain, Push-Pull

Current - Output Source/Sink: 10mA, 25mA

Clock Frequency: 400 kHz

Voltage - Supply: 3V to 3.6V

Quality and Safety Features

Built to operate reliably within an industrial temperature range of -40°C to 85°C

Robust surface mount package (20-VFQFN Exposed Pad)

Compatibility

Designed to interface seamlessly with microcontrollers supporting I2C and SPI

Application Areas

Ideal for expanding microcontroller capabilities in automation systems

Useful in embedded systems, IoT devices, and compact electronic devices

Product Lifecycle

This product is obsolete

Replacements or upgrades may be limited

Several Key Reasons to Choose This Product

Boosts the I/O capability without needing significant changes to the core hardware

Supports both commonly used serial communication protocols (I2C, SPI)

Low power consumption suitable for power-sensitive applications

Compact design ideal for space-constrained applications

Enhanced reliability for industrial applications with a wide operating temperature range