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EFM32TG108F4-QFN24 - 32MHz Cortex-M3 MCU | Silicon Labs

Артикул: EFM32TG108F4-QFN24 ✓ Активен
В наличии Отправка в течение 1–3 рабочих дней
1.85 V to 3.8 V Vdss 24-QFN, 5x5 mm Package 32 MHz Speed 4 KB Memory
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Цена обновлена: 2026-10-22
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EFM32TG108F4-QFN24 Обзор

The Silicon Labs EFM32TG108F4-QFN24 is a 32-bit ARM Cortex-M3 microcontroller operating up to 32 MHz, with 4 KB of Flash memory, 2 KB of RAM, 17 digital I/O pins, two 16-bit timers, and a 24-QFN 5x5 mm package. It is designed for compact, energy-sensitive embedded systems requiring low-power operation, fast wake-up behavior, and efficient peripheral integration.

A microcontroller is a programmable integrated circuit that combines a processor core, memory, and peripherals such as timers, communication interfaces, and I/O ports. The EFM32 Tiny Gecko MCU combines an ARM Cortex-M3 processor with energy-saving modes and low-power techniques. This places it within the embedded MCU hierarchy alongside 8-bit and 32-bit microcontrollers, supporting control, sensing, communications, and small system automation.

The device provides 4 KB Flash for firmware storage and 2 KB RAM for working memory. Its 17 digital I/O pins enable external sensors, buttons, indicators, and control signals, while two 16-bit timers support periodic events, timing, and basic control functions. The 32 MHz Cortex-M3 core provides substantially more processing capability than typical low-end 8-bit designs while retaining a compact footprint.

The EFM32TG108F4-QFN24 operates from a 1.85 V to 3.8 V supply according to the available product data. Its operating temperature is reported as -40°C to 85°C. The 24-QFN package is suitable for space-constrained PCB layouts and supports surface-mount assembly. The product data does not establish a public detailed pinout for every signal, so pin names and functions are marked as data needed rather than inferred.

Typical applications include low-power sensor nodes, compact industrial controllers, embedded monitoring equipment, battery-powered instruments, and embedded communication modules. For designs requiring more memory, peripherals, or package pins, a larger MCU family member may be preferable. Before finalizing a footprint, verify the exact pin assignment, exposed-pad requirements, and decoupling recommendations against the manufacturer datasheet.

This product page combines manufacturer specifications, distributor availability, pricing references, cross-reference results, and practical selection guidance to help engineers evaluate the EFM32TG108F4-QFN24 for embedded designs.

Аналоги без доработки для EFM32TG108F4-QFN24 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.

Варианты в этой серии

Модели той же серии, совместимые без доработки с EFM32TG108F4-QFN24 (тот же форм-фактор и посадочное место) — отличается по Flash Memory, RAM.

Silicon Labs
Flash Memory: 32 kB (32K x 8)
RAM: 4 kB
Сравнить с EFM32TG108F4-QFN24 →

Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:

EFM32TG108F4-D-QFN24

✅ Прямая замена
📦 24-QFN (5x5)
Same documented 24-QFN 5x5 mm package and EFM32TG108 family; exact electrical and pinout differences are

📋 Справочный аналог (нет в каталоге)

EFM32TG108F32-D-QFN24

✅ Прямая замена
📦 24-QFN (5x5)
Same documented 24-QFN 5x5 mm package; listed operating voltage begins at 1.98 V versus 1.85 V for the target, a verified 0.13 V difference

📋 Справочный аналог (нет в каталоге)

EFM32TG108F4-QFN24 Максимальные параметры и электрические характеристики

Product Type 32-bit ARM Cortex-M3 microcontroller
Processor Core ARM Cortex-M3
Maximum CPU Frequency 32 MHz
Flash Memory 4 KB
RAM 2 KB
Digital I/O Pins 17
Timer Count 2 x 16-bit timers
Напряжение питания 1.85 V to 3.8 V
Рабочая температура -40°C to 85°C
Корпус 24-QFN, 5x5 mm
Тип монтажа Surface mount
Series Tiny Gecko
Architecture 32-bit RISC
Wake-Up Features Fast wake-up and energy-saving modes
Output State Retention Supported according to manufacturer datasheet search result
On-Chip Regulator Output DECOUPLE pin; revised behavior noted in manufacturer errata

Руководство по цоколевке EFM32TG108F4-QFN24 в корпусе 24-qfn, 5x5 mm

Цоколевка для EFM32TG108F4-QFN24 (корпус 24-qfn, 5x5 mm). Эта цифровая ИС включает выводы GPIO, интерфейсы связи (UART, SPI, I2C) и выводы питания. Обратитесь к техническому описанию производителя для альтернативных функций выводов и вариантов конфигурации. Необходимо для проектирования встраиваемых систем и трассировки печатных плат.

Схема цоколевки корпуса 24-qfn, 5x5 mm для EFM32TG108F4-QFN24

Нет подробных данных о распиновке для EFM32TG108F4-QFN24.

Обратитесь к даташиту для полной конфигурации выводов.

Типичное применение

EFM32TG108F4-QFN24 подходит для 6 применениеs: Battery-Powered Sensor Node, Industrial Environmental Monitor, Embedded Measurement Instrument, Low-Power Remote Control, Compact Data-Acquisition Controller, Smart IoT Sensor Gateway.

🔋

Battery-Powered Sensor Node

The EFM32TG108F4-QFN24 fits compact battery-powered sensor nodes that need a 32-bit Cortex-M3 core without the memory footprint of a larger MCU. Its 4 KB Flash and 2 KB RAM are suitable for small control loops, sensor sampling, state machines, and low-power duty cycling. Silicon Labs highlights energy-saving modes and fast wake-up behavior, helping the design remain responsive while reducing time spent active. The 17 digital I/O pins can support a sensor, status indicator, and control inputs. Because sleep current, wake-up latency, and exact pin functions were not included in the supplied data, validate them from the manufacturer datasheet before calculating battery life.

🏭

Industrial Environmental Monitor

EFM32TG108F4-QFN24 is appropriate for compact industrial monitoring equipment where a controller must read sensors, apply thresholds, record events, and control indicators. Its 32 MHz ARM Cortex-M3 core provides a 32-bit processing platform, while two 16-bit timers can support periodic sampling, debounce timing, or motor and actuator timing. The 24-QFN 5x5 mm package limits board footprint for distributed monitoring nodes. The 1.85 V to 3.8 V operating range allows integration with low-voltage sensor and regulated power systems. Confirm industrial temperature requirements, EMC layout, and exact peripheral assignments against the device documentation before production.

🔬

Embedded Measurement Instrument

The EFM32TG108F4-QFN24 can serve as the control MCU in a small embedded measurement instrument when the application prioritizes low power and a compact footprint over large onboard memory. The Cortex-M3 core can execute calibration logic, measurement sequencing, and user-interface updates, while the two 16-bit timers help organize sampling intervals. Its 17 digital I/O pins provide access to switches, status LEDs, and control signals. The 24-QFN package also supports dense board layouts. The supplied data does not include ADC specifications, analog peripherals, or detailed timing parameters, so analog accuracy and signal-chain suitability must be verified separately.

📱

Low-Power Remote Control

EFM32TG108F4-QFN24 is suitable for handheld or remote-control products that wake periodically, decode user input, update a display or indicator, and return to a low-energy state. The Cortex-M3 core offers more general-purpose processing than an 8-bit controller, while the 4 KB Flash and 2 KB RAM constrain firmware size and require careful code organization. Silicon Labs describes fast wake-up and energy-saving modes as core benefits of the Tiny Gecko platform. The MCU can manage buttons, LEDs, and low-power interface signals through its 17 digital I/O pins. Wireless or display companion requirements are not supplied and must be selected according to the product architecture.

📊

Compact Data-Acquisition Controller

The EFM32TG108F4-QFN24 can coordinate a small data-acquisition system when the system uses external sensors or converters and the MCU primarily handles sequencing, configuration, and data movement. Its two 16-bit timers support periodic acquisition and timing functions, while the 32-bit core can manage control software and buffering within the available 2 KB RAM. The 24-QFN 5x5 mm package helps reduce board size in portable or embedded instruments. ADC resolution, sample-rate limits, serial-interface resources, and DMA behavior were not included in the supplied verified data, so engineers must confirm them before selecting this MCU for precision acquisition.

🧩

Smart IoT Sensor Gateway

EFM32TG108F4-QFN24 can be used in a small IoT sensor gateway or edge node that aggregates local sensor inputs and controls low-power communications. Its 32 MHz Cortex-M3 core supports protocol handling and control logic, while 17 digital I/O pins can connect discrete sensors, interrupt lines, and status indicators. The Tiny Gecko low-energy positioning is useful in systems that spend substantial time between activity periods. The MCU has only 4 KB Flash and 2 KB RAM, so gateway designs should use compact firmware and offload memory-intensive networking functions to a companion module. The supplied data does not verify specific Ethernet, wireless, or security peripherals.

What is the EFM32TG108F4-QFN24?
The EFM32TG108F4-QFN24 is a Silicon Labs 32-bit ARM Cortex-M3 microcontroller rated up to 32 MHz. According to the manufacturer product page and DigiKey listing, it includes 4 KB of Flash, 2 KB of RAM, 17 digital I/O pins, and two 16-bit timers in a 24-QFN 5x5 mm package. It is intended for energy-sensitive embedded applications requiring low-power modes and fast wake-up behavior.
What are the key specifications of EFM32TG108F4-QFN24 that engineers should know?
The main EFM32TG108F4-QFN24 specifications are a 32 MHz ARM Cortex-M3 core, 4 KB Flash, 2 KB RAM, 17 digital I/O pins, two 16-bit timers, a 1.85 V to 3.8 V supply range, and a 24-QFN 5x5 mm package. Silicon Labs describes the MCU as part of the Tiny Gecko family and highlights low-energy techniques, fast wake-up, and energy-saving modes. Verify pin-level details against the manufacturer datasheet before layout release.
Where can I download the EFM32TG108F4-QFN24 datasheet PDF?
The EFM32TG108F4-QFN24 datasheet can be downloaded through the Silicon Labs product page, which links to the device specifications and documentation. A separate searchable datasheet PDF is also available at the Silicon-Electronics URL listed below. The available search results confirm a datasheet exists, but they do not provide a verified document number or page count, so those details should be confirmed from the downloaded manufacturer document.
Where can I find the EFM32TG108F4-QFN24 pinout?
The EFM32TG108F4-QFN24 pinout should be obtained from the manufacturer datasheet and package drawing rather than inferred from the distributor title. The verified package is 24-QFN 5x5 mm, and LCSC provides a product page with package and pinout resources. Detailed signal names, exposed-pad treatment, and alternate-function assignments are marked as data needed because they were not included in the supplied verified data.
How much does EFM32TG108F4-QFN24 cost?
The lowest verified price reference for EFM32TG108F4-QFN24 is $0.5293 from LCSC, with the product shown as in stock in the retrieved listing. This price is a commercial reference as of 2026-10-23 and may vary with quantity, stock, tax, and distributor terms. Prices for 10, 100, 500, 1000, and 3000 units were not supplied and are marked as data needed rather than estimated.
Is EFM32TG108F4-QFN24 in stock?
Yes, the retrieved LCSC product listing identifies EFM32TG108F4-QFN24 as in stock, while DigiKey states that the part can be purchased and ships today. Stock status is time-sensitive and distributor-specific. The availability statement should therefore be reconfirmed with the distributor immediately before ordering, especially for production quantities, and the price reference is current only as of 2026-10-23.
What is the lead time for EFM32TG108F4-QFN24?
The supplied distributor results indicate immediate purchasing for DigiKey and an in-stock listing at LCSC, but they do not provide a numeric production lead time. The part may therefore be available for prompt shipment from at least one source, while long-term supply and allocation data remain unverified. For scheduled production, request a written lead-time and forecast allocation statement from the selected authorized distributor.
What can replace EFM32TG108F4-QFN24?
The verified cross-reference results identify EFM32TG108F4-D-QFN24 as the closest documented same-package candidate, while the broader search also lists EFM32ZG108F4-QFN24 and EFM32ZG110F4-QFN24 as comparison parts. A true drop-in replacement must be checked for exact pinout, memory, supply voltage, peripherals, startup behavior, and package exposed-pad compatibility. The supplied data does not establish five fully verified drop-in alternatives, so additional candidates should not be treated as drop-in without datasheet confirmation.
Can EFM32TG108F4-D-QFN24 replace EFM32TG108F4-QFN24?
EFM32TG108F4-D-QFN24 is the most directly documented alternative, but replacement approval still requires comparison of the exact pinout and electrical behavior. Both parts are listed in the same 24-QFN 5x5 mm package family and are associated with the EFM32TG108 device family. The D designation may indicate a different ordering or revision, so engineers should verify memory, temperature, pin definitions, and lifecycle requirements in the manufacturer documentation.
EFM32TG108F4-QFN24 vs EFM32ZG108F4-QFN24T - which is better?
EFM32TG108F4-QFN24 and EFM32ZG108F4-QFN24T are related Silicon Labs MCU families, but the supplied comparison results do not provide enough verified information to declare one universally better. The TG108F4 is specified at 32 MHz with 4 KB Flash and 2 KB RAM, while the ZG part requires separate verification of pin compatibility and features. Choose based on the required peripheral set, memory, package fit, qualification, and lifecycle rather than family name alone.
When should I choose EFM32TG108F4-QFN24 over a larger MCU?
Choose EFM32TG108F4-QFN24 when a compact, low-power design needs only 4 KB Flash, 2 KB RAM, 17 digital I/O pins, and two 16-bit timers. Its Cortex-M3 core and low-energy platform can provide more processing capability than simple 8-bit controllers while conserving board area. Select a larger MCU when firmware growth, RAM, communication peripherals, pin count, or application-specific analog and timing requirements exceed this device.
Is EFM32TG108F4-QFN24 suitable for battery-powered sensor applications?
EFM32TG108F4-QFN24 is suitable for battery-powered sensor applications when the design can operate within its 4 KB Flash and 2 KB RAM limits. Silicon Labs specifically describes the Tiny Gecko platform as energy sensitive and highlights fast wake-up and energy-saving modes. Actual battery life depends on the selected sensor, duty cycle, radio activity, regulator efficiency, and MCU leakage, none of which are fully specified in the supplied data.
What supply voltage does EFM32TG108F4-QFN24 require?
The EFM32TG108F4-QFN24 operates from a 1.85 V to 3.8 V supply according to the available manufacturer and distributor product information. This range supports low-voltage embedded systems, but the external power source must also satisfy input-voltage, decoupling, startup, and output-level requirements. Confirm exact operating conditions and absolute maximum ratings in the manufacturer datasheet before finalizing the power tree.
Does EFM32TG108F4-QFN24 support low-power operation?
Yes, the EFM32TG108F4-QFN24 is positioned as an energy-sensitive MCU with energy-saving modes and fast wake-up behavior. These features are useful for duty-cycled sensing, remote monitoring, and portable embedded products. The supplied data does not quantify sleep current, shutdown current, or wake-up latency, so battery-life calculations require those values from the manufacturer datasheet.
What is the package of EFM32TG108F4-QFN24?
The EFM32TG108F4-QFN24 is supplied in a 24-QFN package measuring 5x5 mm and is intended for surface-mount assembly. The package supports compact PCB designs, but the exposed-pad and thermal requirements must be followed exactly during layout and assembly. The package designation is verified by DigiKey, Mouser, Silicon Labs, and LCSC product information.
What is the difference between EFM32TG108F4-QFN24 and EFM32TG108F4-D-QFN24?
The supplied data confirms that EFM32TG108F4-D-QFN24 is a related Silicon Labs part in the same EFM32TG108 and 24-QFN 5x5 mm package family, but it does not provide a complete verified comparison of the F4 and D variants. The suffix may represent an ordering, revision, or product condition distinction, but that must be confirmed from the manufacturer documentation. Do not approve a substitution solely because the package names match.

Справочные инженерные данные для EFM32TG108F4-QFN24 — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose EFM32TG108F4-QFN24 for a compact embedded design that needs a 32 MHz ARM Cortex-M3, 4 KB Flash, 2 KB RAM, two 16-bit timers, and 17 digital I/O pins within a 24-QFN 5x5 mm package. It is particularly suitable for energy-sensitive sensor nodes, compact monitors, and small control products when the firmware fits within the available memory. Consider EFM32TG108F4-D-QFN24 when the distributor or manufacturer documentation confirms the exact electrical, pinout, and lifecycle requirements. Consider EFM32TG108F32-D-QFN24 only after checking its higher 1.98 V minimum supply against the system power design and reviewing all functional differences. Do not select a generic STM32, ATSAM, or other MCU solely by package size; the EFM32 peripheral mapping, low-power architecture, and pin compatibility must be verified against the target design.

Сравнение с аналогами

Параметр Этот товар EFM32TG108F4-D-QFN24 EFM32TG108F32-D-QFN24
Package 24-QFN (5x5) 24-QFN (5x5) 24-QFN (5x5)
Brand Silicon Labs Silicon Labs Silicon Labs

Ключевые отличия

  • Compact 32-bit control platform (против EFM32TG108F4-D-QFN24)
  • Low-power family positioning (против EFM32TG108F32-D-QFN24)
  • Documented supply-voltage range (против EFM32TG108F32-D-QFN24)

Заметки по проектированию

Design the supply for the verified 1.85 V to 3.8 V operating range and reserve local decoupling close to the device power pins. The supplied manufacturer search results mention an on-chip regulator DECOUPLE pin and an errata concerning its output, so verify the recommended external connection and bypass requirements in the current datasheet and errata before layout release. Do not assume that the DECOUPLE behavior of an earlier revision applies unchanged.

Use the exact 24-QFN 5x5 mm land pattern and thermal-pad geometry from the manufacturer package drawing. Confirm whether the exposed pad is electrically connected, required for thermal relief, or specified as no-connect before assigning its net. Because the supplied data confirms the package size but does not provide the complete pinout or exposed-pad drawing, footprint and stencil decisions must be checked against the official mechanical documentation.

Do not treat a matching QFN package name as proof of drop-in compatibility. For EFM32TG108F4-D-QFN24 and EFM32TG108F32-D-QFN24, verify signal-by-signal pinout, power requirements, reset behavior, memory, peripheral mapping, and startup timing. The supplied search results establish the package family and some broad specifications, but they do not provide enough evidence to approve a production substitution without manufacturer documentation.

Keep sensitive signal routing short and place support components according to the datasheet reference layout. The MCU is intended for low-energy operation, so avoid long leakage paths around exposed pads, sensitive reset circuitry, and power pins when the package construction permits. For sensor or communication interfaces, separate fast-switching or high-current paths from analog and measurement traces to reduce coupling and improve repeatability.

Информация о соответствии

RoHS
Unknown
REACH
Unknown
AEC-Q100
Unknown
Без свинца
Unknown
Без галогенов
Unknown
Конфликтные минералы
Unknown

The supplied verified data does not provide RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields remain unknown rather than inferred.

Данные проверены: 2026-10-23 — данные проверены и курируются командой компонентной инженерии XAIPART

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Связанные компоненты & термины

Silicon Labs EFM32TG108F4-QFN24 EFM32TG108F4-D-QFN24 EFM32TG108F32-D-QFN24 EFM32ZG108F4-QFN24 EFM32ZG110F4-QFN24 ARM Cortex-M3 32-bit RISC Tiny Gecko microcontroller embedded MCU low-power platform energy-saving mode fast wake-up 4 KB Flash 2 KB RAM 17 digital I/O 16-bit timer 24-QFN QFN package surface mount DECOUPLE pin 1.85 V to 3.8 V battery-powered sensor industrial monitoring
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