EFM32ZG108F4-B-QFN24 - 24MHz ARM Cortex-M0+ MCU | Silicon Labs
N.º da peça: EFM32ZG108F4-B-QFN24 ✓ AtivoEFM32ZG108F4-B-QFN24 Visão geral
A microcontroller is a programmable system-on-chip that integrates a processor core, nonvolatile program memory, volatile data memory, and peripherals such as timers, serial interfaces, analog blocks, and GPIO into one package. The EFM32ZG hierarchy belongs to the ARM Cortex-M0+ class of 32-bit microcontrollers, where low power consumption, compact implementation, and deterministic peripheral operation are central design requirements.
Key specifications include a 24 MHz maximum CPU frequency, 4 kB Flash organized as 4K x 8, 2 kB SRAM, 17 digital I/O pins, and two 16-bit timers. The device can consume as little as 0.5 microamp in Stop mode, while the EFM32ZG family datasheet specifies 114 microamp per MHz in Run mode. Autonomous peripherals allow selected activity to continue while the CPU sleeps, helping reduce overall energy use.
The architecture uses the ARM Cortex-M0+ instruction set and includes serial communications, timing, and analog peripherals suitable for embedded control. The 24 MHz operating point provides useful processing margin for protocol handling, state-machine control, and sensor acquisition without moving to a larger microcontroller package. Exact interrupt, analog, and communication feature details should be confirmed in the EFM32ZG family datasheet for the selected board configuration.
Typical applications include battery-operated smart metering, compact industrial sensing nodes, energy and gas measurement equipment, water-monitoring systems, wearable accessories, and low-power connected controls. The small 5 x 5 mm QFN package is particularly useful when board area, sleep current, and fast recovery from low-power states are primary constraints.
Designers should confirm the exposed-pad connection, decoupling requirements, supported debug and programming interface, and peripheral availability against the manufacturer datasheet before layout release. Software compatibility also depends on the Silicon Labs SDK, startup files, and device-specific configuration used by the selected development platform.
This product record combines verified manufacturer and distributor specifications with practical application guidance, package information, sourcing details, and a conservative drop-in comparison that avoids unverified substitutes.
Alternativas drop-in para EFM32ZG108F4-B-QFN24 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
EFM32ZG108F4-QFN24
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
EFM32ZG108F4-QFN24T
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
EFM32ZG108F4-B-QFN24 Classificações máximas e características elétricas
| Product Type | ARM Cortex-M0+ 32-bit microcontroller |
| Product Series | EFM32 Zero Gecko |
| Maximum CPU Frequency | 24 MHz |
| Flash Memory | 4 kB (4K x 8) |
| RAM | 2 kB |
| Digital I/O Pins | 17 |
| Timers | 2 x 16-bit |
| Tensão de alimentação de operação | 1.98 V to 3.8 V |
| Processor Core | ARM Cortex-M0+ |
| Architecture | 32-bit |
| Encapsulamento | 24-QFN (5 x 5 mm) |
| Tipo de montagem | Surface mount |
| Stop Mode Current | 0.5 microamp |
| Run Mode Current | 114 microamp/MHz |
| AES Capability | AES |
Guia de Configuração de Pinos do EFM32ZG108F4-B-QFN24 24-qfn (5 x 5 mm)
Configuração de pinos para EFM32ZG108F4-B-QFN24 (pacote 24-qfn (5 x 5 mm)). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para EFM32ZG108F4-B-QFN24.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
EFM32ZG108F4-B-QFN24 é adequado para 6 aplicaçãos: Battery-Powered Smart Metering, Industrial Gas and Environmental Sensors, Low-Power Connected Controls, Wearable and Personal Electronics, Smart Water and Utility Monitoring, Energy Metering and Power-System Sensors.
Battery-Powered Smart Metering
The EFM32ZG108F4-B-QFN24 is a practical control device for compact electricity, gas, or water meters because its 24 MHz ARM Cortex-M0+ core can manage sampling logic and local state while the Zero Gecko platform supports low-energy operation. The family datasheet specifies consumption as low as 0.5 microamp in Stop mode and 114 microamp/MHz in Run mode. A metering design can therefore use Stop mode between measurement events and wake for short processing intervals. The 4 kB Flash and 2 kB RAM must be budgeted carefully for code, calibration data, and buffered results, while the 24-QFN package supports compact meter-board layouts.
Recomendado
Industrial Gas and Environmental Sensors
The EFM32ZG108F4-B-QFN24 can coordinate compact gas, humidity, and environmental sensor nodes where a 24 MHz Cortex-M0+ processor provides enough control bandwidth without requiring a larger microcontroller. Its 17 digital I/O pins support digital sensors, interrupt lines, and status indicators, while the two 16-bit timers can help organize periodic sampling and sensor timing. Low-power operation is especially valuable because the verified EFM32ZG family specification reaches 0.5 microamp in Stop mode. Designers should reserve the 2 kB RAM for short measurement windows, keep firmware within the 4 kB Flash limit, and confirm ADC or comparator availability for the selected sensor signal before final schematic approval.
Recomendado
Low-Power Connected Controls
The EFM32ZG108F4-B-QFN24 fits connected controls that spend most of their time asleep and perform brief configuration, sensing, and communication tasks. Its Cortex-M0+ core operates up to 24 MHz, while the family's low-energy modes and autonomous peripheral operation can reduce the need for continuous CPU activity. In a radio-linked appliance or sensor interface, the controller can wake on an external event, acquire data, update an output, and return to sleep. The 5 x 5 mm 24-QFN footprint preserves board area, although the 4 kB Flash and 2 kB RAM require a tightly scoped firmware design and careful selection of the communication protocol and buffering strategy.
Recomendado
Wearable and Personal Electronics
The EFM32ZG108F4-B-QFN24 is appropriate for small wearable accessories and personal electronics that value a compact package and low standby demand more than abundant memory. Its 24-QFN footprint measures 5 x 5 mm, while the Cortex-M0+ processor provides a straightforward 32-bit control environment for button handling, status indication, and simple sensor fusion. The family's 0.5 microamp Stop-mode figure is useful when the product spends long periods idle, and the 114 microamp/MHz run figure provides a basis for estimating active demand. The 4 kB Flash limit means complex UI, logging, or wireless protocol code may exceed the device's capacity, so software partitioning is a primary design consideration.
Recomendado
Smart Water and Utility Monitoring
The EFM32ZG108F4-B-QFN24 can serve as the low-power controller in smart-water and utility-monitoring equipment that records events or processes sensor inputs at intervals. Its two 16-bit timers support periodic measurement or timing functions, and the 17 digital I/O pins provide flexibility for pulse-output meters, valve-state inputs, and fault signaling. The 1.98 V to 3.8 V supply range is compatible with low-voltage embedded systems, while the 24-QFN package allows a compact sensor assembly. The main limitation is memory: 4 kB Flash constrains firmware size, and 2 kB RAM limits simultaneous data buffering. A successful design therefore uses short acquisition cycles, interrupt-driven peripherals, and event-based firmware rather than large local logs.
Recomendado
Energy Metering and Power-System Sensors
The EFM32ZG108F4-B-QFN24 is well suited to focused energy-metering and power-system sensing functions that require deterministic control, low standby current, and a compact controller. At up to 24 MHz, the Cortex-M0+ core can execute measurement sequencing, calibration routines, and communication framing, while autonomous peripherals can reduce CPU activity between events. The 1.98 V minimum operating voltage supports systems with regulated low-voltage rails, and the 24-QFN package simplifies high-density board construction. Engineers should verify the exact analog resources, timer channels, and supply limits against the EFM32ZG family datasheet and should not assume that every function shown for other Zero Gecko devices is present in the EFM32ZG108 configuration.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para EFM32ZG108F4-B-QFN24 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | EFM32ZG108F4-QFN24 | EFM32ZG108F4-QFN24T |
|---|---|---|---|
| Package | 24-QFN (5 x 5 mm) | 24-QFN (5 x 5 mm) | 24-QFN (5 x 5 mm) |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs |
| Processor Core | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ |
| Maximum CPU Frequency | 24 MHz | 24 MHz | 24 MHz |
| Flash Memory | 4 kB (4K x 8) | 4 kB | 4 kB |
| RAM | 2 kB | 2 kB | 2 kB |
| Digital I/O Pins | 17 | 17 | 17 |
| Timers | 2 x 16-bit | 2 x 16-bit | 2 x 16-bit |
Principais diferenciais
- Combines a 24 MHz Cortex-M0+ core with very low family-level sleep current (vs EFM32ZG108F4-QFN24)
- Compact 5 x 5 mm package limits board footprint (vs EFM32ZG108F4-QFN24T)
- Exact -B orderable configuration preserves the target BOM identity (vs EFM32ZG108F4-QFN24)
Notas de projeto
Treat the QFN exposed pad as a mandatory thermal and electrical connection rather than an optional feature. Follow the Silicon Labs package drawing for pad dimensions, solder-mask geometry, and paste volume. Place the MCU close to its decoupling capacitors, provide a short return path for supply current, and inspect the assembled board for voiding under the exposed pad. The supplied snippets do not reproduce the complete land pattern, so the official package drawing must control the PCB footprint.
Design the 1.98 V to 3.8 V supply path for both active and sleep-state behavior. Place local bulk and high-frequency decoupling at the supply pins using the values and stability requirements stated in the manufacturer datasheet. Avoid injecting noisy switching-radiator ripple onto the MCU rail, and verify brownout behavior during startup or battery decline. If the regulator can source only 0.5 microamp while the MCU is asleep, the complete peripheral load must be included in the leakage budget.
Do not select this MCU from the Cortex-M0+ core and 24 MHz clock alone; verify that the exact EFM32ZG108F4 device contains every required peripheral and pin. The supplied data confirms 4 kB Flash, 2 kB RAM, 17 digital I/O pins, and two 16-bit timers, but it does not provide the complete pin table or device-specific analog feature list. Check the official datasheet and Silicon Labs device support before committing the schematic or firmware configuration.
Use a low-power design methodology throughout the board, not only inside the MCU. Disconnect or place peripheral loads into controllable low-leakage states when the system enters Stop mode, and prevent externally powered peripherals from back-powering unpowered I/O pins. Route sensitive analog and communication signals away from switching nodes and the exposed-pad supply area. Validate wake behavior and leakage experimentally because a measured board current includes sensors, pull networks, transceivers, and indicator circuits in addition to the MCU.
Informações de conformidade
The supplied verified snippets do not provide device-specific RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals statements. Compliance must be confirmed using the current manufacturer product documentation and declarations.