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EFR32FG

The Silicon Labs EFR32FG is a low-power wireless System on Chip (SoC) designed for proprietary wireless applications. It features an ARM Cortex-M4 core and integrated power amplifier.

✓ Total Stock: 4 pcs

$ Price Range: $0.99

EFR32FG Available from 1 distributor

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Bristol Electronics ✓ Non-Authorised Inventory information	4 pcs On Request	4 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

EFR32FG Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	Silicon Labs
Compliance	FCC Part 90.210 Mask D, FCC part 15.247, 15.231, 15.249, ETSI
Core Processor	ARM Cortex-M4
SVHC Present	Not Present

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EFR32FG Description

Short technical summary and product information.

The EFR32FG Flex Gecko family of SoCs from Silicon Labs are designed for energy-efficient proprietary wireless protocol networks, making them ideal for IoT devices. This single-die solution offers industry-leading energy efficiency, fast wake-up times, a scalable power amplifier, and integrated balun.

Key features include a 32-bit ARM Cortex-M4 core operating at up to 40 MHz, with up to 256 kB of flash memory and 32 kB of RAM. The SoC supports both 2.4 GHz and sub-GHz radio operation, with integrated PA providing up to 19 dBm for 2.4 GHz and 20 dBm for sub-GHz transmissions. It boasts robust peripheral sets and up to 32 GPIOs.

Applications for the EFR32FG family include home automation, building automation, security systems, metering, electronic shelf labels, industrial automation, and commercial lighting and sensors. The device supports various modulation formats and protocols, including proprietary standards, Wireless M-Bus, and IEEE 802.15.4g SUN-FSK PHY.

With low power consumption modes and high-performance receivers, the EFR32FG is suitable for a wide range of connected, wireless devices requiring secure and efficient communication.

EFR32FG Quick Information

Product Type: System On Chip (SoC)

Series: Series 1

Canonical Name: EFR32FG Flex Gecko Proprietary Protocol SoC Family

Subcategory: Proprietary Wireless

EFR32FG Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

EFR32FG Estimated Pricing

Qty	Low	High
1+	$0.99	$0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

EFR32FG Features

32-bit ARM Cortex-M4 core up to 40 MHz
Up to 256 kB Flash and 32 kB RAM
Integrated PA for 2.4 GHz and Sub-GHz
Low power consumption modes
Supports proprietary wireless protocols

EFR32FG Applications

Ideal for IoT devices
Home and building automation
Security systems
Metering applications
Industrial automation

EFR32FG FAQs

6 frequently asked questions generated from this part’s specifications.

What is the core processor of the EFR32FG?

The EFR32FG uses an ARM Cortex-M4 core with a maximum clock speed of 40 MHz.

How much Flash and RAM does the EFR32FG have?

It has 256 kB of Flash memory and 32 kB of RAM.

What is the maximum transmit power of the EFR32FG?

Maximum transmit power is 20 dBm on sub-GHz bands and 19 dBm on 2.4 GHz.

What is the receiver sensitivity of the EFR32FG?

Receiver sensitivity varies by mode: -126.2 dBm at 600 bps GFSK on 915 MHz, -120.6 dBm at 2.4 kbps GFSK on 868 MHz, and -103.3 dBm at 250 kbps DSSS-OQPSK on 2.4 GHz.

What modulation formats does the EFR32FG support?

It supports 2/4 (G)FSK, BPSK/DBPSK TX, OOK/ASK, and OQPSK/(G)MSK.

What is the deep sleep current of the EFR32FG?

Deep sleep current (EM2) is 1.3 µA while retaining 16 kB RAM and running the RTCC from LFRCO.