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Name: EFR32MG21A020F1024IM32-B
Brand: Silicon Labs
SKU: EFR32MG21A020F1024IM32-B
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Silicon Labs EFR32MG21A020F1024IM32-B

Part No.:: EFR32MG21A020F1024IM32-B

Manufacturer:: Silicon Labs

Package:: 32-VFQFN Exposed Pad

Datasheet:: EFR32MG21A020F1024IM32-B.pdf

Description:: IC MCU 2.4G 20DB MULTIPROTOCOL

In Stock:: 3511

Quantity:: Add To Cart

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EFR32MG21A020F1024IM32-B Specifications

Packaging:
Tray
Series:
Mighty Gecko
ProductStatus:
Active
Type:
TxRx + MCU
RFFamily/Standard:
Bluetooth
Protocol:
Bluetooth v5.1, Thread, Zigbee®
Modulation:
GFSK, O-QPSK
Frequency:
2.4GHz
DataRate(Max):
2Mbps
Power-Output:
20dBm
Sensitivity:
-104.9dBm
MemorySize:
1024kB Flash, 96kB RAM
SerialInterfaces:
ADC, GPIO, I²C, I²S, SPI, UART
GPIO:
20
Voltage-Supply:
1.71V ~ 3.8V
Current-Receiving:
8.8mA
Current-Transmitting:
33.8mA
OperatingTemperature:
-40°C ~ 125°C
MountingType:
Surface Mount

EFR32MG21A020F1024IM32-B this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including EFR32MG21A020F1024IM32-B price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for EFR32MG21A020F1024IM32-B to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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EFR32MG21A020F1024IM32-B information

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EFR32MG21A020F1024IM32-B Typical application Circuitry

EFR32MG21A020F1024IM32-B

The EFR32MG21A020F1024IM32-B is a highly capable, feature-rich wireless microcontroller from Silicon Labs, specifically designed for advanced IoT applications. It is part of the EFR32 Mighty Gecko Series 2 family, known for their robust wireless capabilities, high performance, and low-power operation, which are ideal for smart home devices, industrial IoT, and energy management systems.

Key Features and Specifications:

- Advanced Wireless Functionality: This microcontroller supports multiple wireless protocols including Zigbee, Thread, Bluetooth Low Energy (BLE), and proprietary protocols, making it extremely versatile for wireless communication needs.

- High Performance: Equipped with an ARM Cortex-M33 processor, providing enhanced computational capabilities and efficiency.

- Large Memory Capacity: Features 1024 KB of flash memory and 96 KB of RAM, which allows for the storage of complex applications and ample data buffering.

- Low Power Consumption: Designed for energy-efficient operation, with features that reduce power consumption in active and sleep modes, suitable for battery-operated devices.

- Security Features: Includes advanced security capabilities such as secure boot, secure debug, and a dedicated cryptographic hardware acceleration unit, ensuring secure data handling and communication.

Application Scenario: Smart Thermostat System

In this scenario, the EFR32MG21A020F1024IM32-B is utilized as the central controller within a smart thermostat system, which interfaces with temperature sensors, user interface panels, and communicates wirelessly with a central home automation system.

Circuit Design Methodology:

1. Main Controller Integration:

- Central Processor Role: Use the EFR32MG21A020F1024IM32-B to manage readings from temperature sensors, user inputs from the thermostat interface, and to communicate wirelessly with other smart home devices.

2. Power Supply Connection:

- Stable Power Source: Connect the VDD pins to a 3.3V power source, typically provided by a regulated power supply module. Ensure to place decoupling capacitors close to these pins to stabilize the power supply and minimize noise.

3. Sensor and User Interface Setup:

- Temperature Sensor Integration: Attach digital temperature sensors to the GPIO pins configured for digital input. These sensors provide the necessary data for temperature regulation.

- Display and Buttons Interface: Connect an LCD display and several buttons to other GPIO pins, allowing user interaction and settings adjustments.

4. Wireless Communication Configuration:

- Antenna Connection for RF Communication: Link the RF output pin to an antenna suitable for 2.4 GHz operations, ensuring that the antenna's specifications match the design requirements for optimal range and signal integrity.

5. Programming and Debugging:

- Firmware Loading and Updates: Use the SWD (Serial Wire Debug) interface for initial programming and subsequent updates. Connect the SWCLK (Serial Wire Clock) and SWDIO (Serial Wire Data Input/Output) pins to a debugger/programmer.

6. Network Integration:

- Mesh Networking Setup: Program the EFR32MG21A020F1024IM32-B to participate in a Zigbee or Thread mesh network, enhancing connectivity and reliability within the smart home ecosystem.

Design Considerations:

- EMI and Signal Integrity: Given the wireless functionality, it's crucial to consider electromagnetic interference and signal integrity. Implement proper PCB layout practices, use shielding, and keep sensitive traces away from noisy areas.

- Thermal Management: Assess and manage the thermal profile of the EFR32MG21A020F1024IM32-B, especially when the device is operating at high frequencies or in a sealed enclosure.

- Security Implementation: Leverage the built-in security features to ensure the integrity and safety of data communicated and processed by the thermostat, preventing unauthorized access and manipulation.

- User Interface Design: Ensure that the user interface is responsive and intuitive, with clear feedback mechanisms to improve user experience.

- Firmware Optimization: Develop and optimize firmware to effectively manage the multiple functionalities of the thermostat, focusing on efficient task handling, power management, and robust wireless communication.

Integrating the EFR32MG21A020F1024IM32-B in a smart thermostat system exemplifies how this microcontroller can be effectively used to enhance home automation solutions, providing a reliable, secure, and user-friendly system. This scenario demonstrates the microcontroller's strong capabilities in handling complex tasks and its pivotal role in the development of smart, connected home devices.

EFR32MG21A020F1024IM32-B FAQ

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6. What is the process for return or replacement of EFR32MG21A020F1024IM32-B?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the EFR32MG21A020F1024IM32-B we delivered, we will accept the replacement or return of the EFR32MG21A020F1024IM32-B only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of EFR32MG21A020F1024IM32-B.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations