EFM32ZG108F8-QFN24 - 24MHz ARM Cortex-M0+ MCU | Silicon Labs
MPN: EFM32ZG108F8-QFN24 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.8388 | $2.84 |
| 10 | $2.8388 | $28.39 |
| 100 | $2.8388 | $283.88 |
| 500 | $2.8388 | $1,419.40 |
| 1,000 | $2.8388 | $2,838.80 |
EFM32ZG108F8-QFN24 Overview
The Zero Gecko MCU family is designed around low-energy operation and rapid wake-up behavior. According to the supplied manufacturer data, the EFM32ZG family can consume as little as 0.5 μA in Stop mode and 114 μA/MHz in Run mode. These characteristics make the device suitable for battery-powered systems, portable instrumentation, connected sensors, and other embedded products where average power consumption affects maintenance intervals and operating life.
The EFM32ZG108F8-QFN24 operates at up to 24 MHz and includes 8 KB of program Flash and 2 KB of SRAM. The manufacturer product listing specifies 17 digital I/O pins and two 16-bit timers. Its integrated feature set also includes AES-related hardware support, low-energy peripherals, fast wake-up behavior, and autonomous peripheral operation, allowing the MCU to offload routine measurement, timing, and communication tasks while the Cortex-M0+ core remains available for application logic.
The device uses a compact 24-QFN package measuring 5 mm × 5 mm, making it suitable for space-constrained PCB layouts. Its operating and electrical details, including supply voltage, pin assignments, temperature limits, and peripheral mappings, should be confirmed against the official EFM32ZG datasheet and the manufacturer product page. The supplied distributor listings identify the part as an ARM Cortex-M0+ Zero Gecko MCU with 8 KB Flash and a 24-QFN package.
Typical applications include wireless sensor nodes, smart energy meters, environmental monitoring, industrial control, portable medical or diagnostic equipment, and consumer battery-powered devices. Its low-power modes and integrated peripherals can reduce the need for external support components and simplify firmware-driven duty-cycling. Designers should select the appropriate power-management strategy, external clock configuration, decoupling network, and programming interface according to the complete datasheet and reference design guidance.
For PCB implementation, use the exposed-pad thermal and electrical recommendations from the manufacturer, keep sensitive signal routing short, and provide the required bypass capacitors close to the supply pins. The EFM32ZG108F8-QFN24 is best suited to designs that need a compact ARM Cortex-M0+ MCU with integrated low-power features and only 8 KB of Flash, so firmware size and upgrade requirements should be evaluated before design release.
This page consolidates manufacturer specifications, distributor availability information, package details, application guidance, and engineering considerations for engineers comparing the EFM32ZG108F8-QFN24 with other compact low-power microcontrollers.
Drop-in alternatives for EFM32ZG108F8-QFN24 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with EFM32ZG108F8-QFN24 (same form factor and footprint) — differing in Core, Timers.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
EFM32ZG108F8-B-QFN24R
✅ Drop-In📋 Reference alternative (not in catalog)
EFM32ZG108F8-B-QFN24
✅ Drop-In📋 Reference alternative (not in catalog)
EFM32ZG108F4-QFN24
✅ Drop-In📋 Reference alternative (not in catalog)
EFM32ZG108F8-QFN24T
✅ Drop-In📋 Reference alternative (not in catalog)
EFM32ZG108F8-QFN24B
✅ Drop-In📋 Reference alternative (not in catalog)
EFM32ZG108F8-QFN24 Maximum Ratings & Electrical Characteristics
| Core | ARM Cortex-M0+ |
| Architecture | 32-bit |
| Maximum CPU Frequency | 24 MHz |
| Flash Memory | 8 KB |
| RAM | 2 KB |
| Digital I/O Pins | 17 |
| Timers | 2 x 16-bit |
| Package | 24-QFN (5 mm x 5 mm) |
| Mounting Type | Surface Mount |
| Operating Mode | Low-power embedded MCU operation |
| Run-Mode Current | 114 μA/MHz |
| Stop-Mode Current | 0.5 μA |
| Wake-Up Behavior | Fast wake-up from energy-saving modes |
| Integrated Peripherals | Autonomous peripherals and high overall chip and analog integration |
| Security Feature | AES MCU |
EFM32ZG108F8-QFN24 24-qfn (5 mm x 5 mm) Pin Configuration Guide
Pin configuration for EFM32ZG108F8-QFN24 (24-qfn (5 mm x 5 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for EFM32ZG108F8-QFN24.
Refer to the datasheet for full pin configuration.
Typical Applications
EFM32ZG108F8-QFN24 is suitable for 6 applications: Battery-Powered Wireless Sensor Node, Smart Energy Meter, Environmental Monitoring Device, Industrial Control and Sensor Interface, Portable Health and Diagnostic Device, Smart Home and IoT Actuator.
Battery-Powered Wireless Sensor Node
The EFM32ZG108F8-QFN24 fits wireless sensor nodes that must wake periodically, acquire measurements, transmit data, and return to a low-power state. Its ARM Cortex-M0+ core runs at up to 24 MHz, while the Zero Gecko family's reported Stop-mode consumption can be as low as 0.5 μA. The 8 KB Flash and 2 KB RAM require compact firmware, but the integrated low-energy peripherals can reduce external support circuitry. A radio should be selected separately and its current draw included in the duty-cycle budget.
Recommended
Smart Energy Meter
The EFM32ZG108F8-QFN24 is suitable for compact metering and energy-sensing products where low standby consumption and autonomous measurement support matter. Its 24 MHz ARM Cortex-M0+ processor can handle protocol formatting, event handling, and local control, while two 16-bit timers support timing and measurement tasks. The 2 KB RAM is modest, so designers should use interrupt-driven processing and avoid large buffered data sets. The manufacturer listing identifies the device as suitable for energy applications.
Recommended
Environmental Monitoring Device
The EFM32ZG108F8-QFN24 can coordinate temperature, humidity, gas, and motion sensors in a small environmental monitor. Its fast wake-up behavior supports intermittent sampling, and the 24 MHz core provides enough processing capability for filtering, thresholds, logging, and communications control. With 8 KB Flash and 2 KB RAM, the firmware should be kept compact and calibration tables should be selected carefully. The 24-QFN package also helps reduce board area in battery-powered remote sensors.
Recommended
Industrial Control and Sensor Interface
The EFM32ZG108F8-QFN24 is appropriate for small industrial controllers that need deterministic peripheral timing and low-power idle behavior. The two 16-bit timers can support periodic sampling, pulse measurement, or motor-related timing, while 17 digital I/O pins provide connectivity for sensors and discrete logic. Its compact 5 mm × 5 mm QFN package reduces footprint, but industrial temperature, ESD, isolation, and regulatory requirements must be checked against the complete datasheet. External protection is still needed for exposed field wiring.
Recommended
Portable Health and Diagnostic Device
The EFM32ZG108F8-QFN24 can serve as the control MCU in compact portable health or diagnostic products that need low-power operation and a small footprint. Its Cortex-M0+ core can manage sensor acquisition, button input, status indication, and data transfer, while low-energy modes help reduce energy use between measurements. The available Flash and RAM require a focused application architecture, and medical-device designs must separately address accuracy, safety, electrical isolation, and regulatory requirements. The MCU itself should not be treated as a complete medical signal chain.
Recommended
Smart Home and IoT Actuator
The EFM32ZG108F8-QFN24 is a practical MCU for compact smart-home actuators and IoT nodes that must respond to local inputs while maintaining low standby consumption. Its GPIO resources can drive relays, indicators, or sensor inputs, and the integrated timers can provide repeatable timing. Firmware can use the Zero Gecko low-power modes between events, reducing unnecessary processor activity. Designers should account for inductive loads, ESD protection, supply transients, and the fact that the 8 KB Flash limit may constrain rich connectivity stacks.
Recommended
Recommended Products Summary
Engineering reference data for EFM32ZG108F8-QFN24 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EFM32ZG108F8-B-QFN24R | EFM32ZG108F8-B-QFN24 | EFM32ZG108F4-QFN24 | EFM32ZG108F8-QFN24T | EFM32ZG108F8-QFN24B |
|---|---|---|---|---|---|---|
| Manufacturer | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
Key Differentiators
- Low-power Cortex-M0+ platform (vs EFM32ZG108F8-B-QFN24R)
- Compact integrated footprint (vs EFM32ZG108F8-B-QFN24)
- Low-power family characteristics (vs EFM32ZG108F4-QFN24)
Design Notes
Use the exact supply-voltage limits, decoupling values, and recommended operating conditions from the official EFM32ZG datasheet. The supplied manufacturer data identifies low-power operation as a platform feature, but it does not provide the target device's complete electrical limits. Place the required supply capacitors close to the MCU power pins and avoid routing high-current loads through sensitive power traces. Validate the regulator's startup behavior against the MCU's reset and brownout requirements.
The EFM32ZG108F8-QFN24 uses a compact 24-QFN package, so follow the manufacturer land-pattern and exposed-pad recommendations exactly. Keep the exposed-pad connection, ground plane, and thermal-via arrangement compliant with the package drawing. Place decoupling and programming/debug access points so they do not force long traces between the MCU and support circuitry. Confirm pin numbering against the official package drawing before releasing artwork.
Do not treat a same-package MCU as a guaranteed drop-in replacement based only on the 24-QFN outline. Firmware, memory size, peripheral mapping, alternate-function pins, boot behavior, voltage limits, and exposed-pad requirements can differ between orderable suffixes. For EFM32ZG108F8-B-QFN24R and related candidates, compare the manufacturer documentation and validate the design with the intended development hardware before production substitution.
Plan low-power sensor and radio nodes around the device's duty cycle. Keep analog sensor traces short and away from switching nodes, clock lines, and high-current return paths. Because the MCU has only 2 KB RAM, avoid large static buffers and use interrupt-driven acquisition where practical. Validate wake-up behavior, peripheral clock requirements, and sleep-entry sequencing with current measurements on a representative prototype.
Compliance Information
The supplied search results do not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. Obtain current Silicon Labs compliance documentation before production release.
