EFM32TG108F8-QFN24 - 32MHz ARM Cortex-M3 MCU | Silicon Labs
料号： EFM32TG108F8-QFN24 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
EFM32TG108F8-QFN24 概述
A microcontroller is a compact embedded-computing device that integrates a processor core, memory, and peripherals into one integrated circuit. The EFM32TG family belongs to the ARM Cortex-M microcontroller class and the broader embedded processor hierarchy. Its low-power platform includes energy-saving modes intended to extend operating time when the system is mostly idle and must wake quickly for intermittent sensing, control, or communications.
The EFM32TG108F8-QFN24 provides an ARM Cortex-M3 core, 8 kB of Flash, and 2 kB of RAM. Its 17 digital I/O pins support compact embedded designs that need discrete input and output functions without a larger package. Two 16-bit timers provide timing resources for periodic activities, sensor sampling, timing interfaces, or motor and actuator control. Its 24-QFN package is specified as 5 mm by 5 mm with an exposed pad.
The 32 MHz operating speed provides deterministic processing performance for control-oriented applications while retaining a compact, low-power architecture. The combination of Cortex-M3 processing, integrated memories, timers, and digital I/O makes the device suitable for small embedded products where board area, energy use, and rapid wake-up behavior are important design constraints.
Typical applications include battery-operated sensors, IoT endpoint nodes, compact industrial controllers, building automation interfaces, low-power instrumentation, and wearable or portable products. In these systems, the MCU can sleep between events, wake for a measurement or control task, and return to a low-power state while the timers and digital I/O support local system behavior.
Designers should confirm the exact pin functions, exposed-pad connection, decoupling requirements, and programming setup from the manufacturer datasheet before layout. The QFN thermal pad and exposed-pad layout should follow the package drawing, while firmware should account for the device's low-power states and wake-up sources to achieve the intended battery life.
直接替换替代料： EFM32TG108F8-QFN24 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： EFM32TG108F8-QFN24 （相同外形与封装尺寸） ——差异在于 Timers, Flash Memory, Package, RAM, Supply Voltage Range.
快速对比工具——选择替代料号进行并排对比：
EFM32TG108F8-D-QFN24
✅ 直接替换📋 参考替代料（不在目录中）
EFM32TG108F8-QFN24T
✅ 直接替换📋 参考替代料（不在目录中）
EFM32TG110F8-QFN24
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →EFM32ZG108F8-QFN24
✅ 直接替换✓ 有现货
$2.8388 / 个
查看数据手册 →EFM32TG108F8-QFN24 最大额定值与电气特性
| Product Type | 32-bit ARM Cortex-M3 microcontroller |
| Core | ARM Cortex-M3 |
| Maximum Clock Speed | 32 MHz |
| Flash Memory | 8 kB |
| RAM | 2 kB |
| Digital I/O Pins | 17 |
| Timers | 2 x 16-bit timers |
| Series | Tiny Gecko |
| Supply Voltage Range | 1.85 V to 3.8 V |
| 封装 | 24-QFN (5 mm x 5 mm) |
| Package Type | QFN with exposed pad |
| 安装类型 | Surface mount |
| Low-Power Features | Energy-saving modes and fast wake-up |
| RoHS 状态 | Compliant |
| Bromine and Antimony Content | Free of Bromine (Br) and Antimony (Sb) |
| Programmer Support | Elnec device programmer support for EFM32TG108F8 QFN24 |
| Datasheet Format |
EFM32TG108F8-QFN24 qfn with exposed pad 引脚配置指南
EFM32TG108F8-QFN24（qfn with exposed pad 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： EFM32TG108F8-QFN24.
请参阅 数据手册 以查看完整引脚配置。
典型应用
EFM32TG108F8-QFN24 适用于 6 应用s: Battery-Operated IoT Sensor Node, Portable Environmental Monitor, Compact Building Automation Endpoint, Low-Power Industrial Controller, Wearable Device Control Hub, Compact Instrumentation Front End.
Battery-Operated IoT Sensor Node
The EFM32TG108F8-QFN24 fits compact battery-powered sensor nodes because its 32 MHz ARM Cortex-M3 core provides responsive local control while the Tiny Gecko platform supports energy-saving modes and fast wake-up. The 2 kB RAM can hold a small working state and 8 kB Flash can store tightly scoped application firmware, although code size requires careful budgeting. A 17-I/O device also supports sensors, indicators, and a compact control interface. The main engineering trade-off is limited memory: protocol-heavy or locally stored data applications should use a higher-memory MCU instead.
推荐
Portable Environmental Monitor
A portable environmental monitor can use the EFM32TG108F8-QFN24 for periodic temperature, humidity, or gas sensing because fast wake-up reduces the time the processor remains active between measurements. Its two 16-bit timers support periodic sampling, sensor timeouts, and display or logging intervals, while 17 digital I/O pins can accommodate sensor enables, status indicators, and buttons. Because the device offers only 8 kB Flash and 2 kB RAM, it is best for local measurements that do not require large histories or a full graphical user interface.
推荐
Compact Building Automation Endpoint
The EFM32TG108F8-QFN24 is appropriate for compact building-automation endpoints that switch or monitor loads, collect digital sensor states, and coordinate low-power wake schedules. Its 17 digital I/O pins provide practical control of relays, inputs, and indicators, and the timers can establish recurring schedules without an external real-time clock. The 24-QFN footprint limits board area, while the 1.85 V to 3.8 V operating range simplifies integration with compatible low-voltage power trees. Firmware should use the documented low-power modes rather than leaving the core running continuously.
推荐
Low-Power Industrial Controller
The EFM32TG108F8-QFN24 can serve as a low-power industrial controller for compact products that monitor discrete inputs and operate actuators through timers and digital outputs. Its 32 MHz Cortex-M3 performance supports responsive state-machine control, and the two 16-bit timers are useful for pulse measurement, motor timing, or periodic control tasks. The MCU's small 24-QFN package conserves PCB area, but designers should account for the exposed pad, input protection, and supply decoupling. It is strongest where deterministic low-power behavior matters more than large memory capacity.
推荐
Wearable Device Control Hub
A wearable control hub can use the EFM32TG108F8-QFN24 when low standby energy, compact size, and modest processing requirements are priorities. The 5 mm by 5 mm 24-QFN leaves room for sensors, a small power source, and user-interface hardware, while the Cortex-M3 core handles input debouncing, haptic timing, and low-rate sensor fusion. Two 16-bit timers support precise haptic or sampling intervals. Because only 2 kB RAM and 8 kB Flash are available, the design should avoid local buffering and offload richer processing to a companion device.
推荐
Compact Instrumentation Front End
The EFM32TG108F8-QFN24 is useful as a compact control front end for instrumentation that coordinates sensors, calibration states, and a small operator interface. The two 16-bit timers can manage sampling cadence and measurement windows, while 17 digital I/O pins support switches, status LEDs, and control signals. Its 32 MHz Cortex-M3 core also allows local calculations without a separate host. The main constraint is memory: telemetry formatting, large data buffers, and complex graphical interfaces may exceed 8 kB Flash, making a higher-memory EFM32 more appropriate.
推荐
推荐产品汇总
工程参考数据： EFM32TG108F8-QFN24 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | EFM32TG108F8-D-QFN24 | EFM32TG108F8-QFN24T | EFM32TG110F8-QFN24 | EFM32ZG108F8-QFN24 |
|---|---|---|---|---|---|
| Brand | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
| Package | 24-QFN (5 mm x 5 mm) | 24-QFN (5 mm x 5 mm) - same | 24-QFN (5 mm x 5 mm) - same | 24-QFN (5 mm x 5 mm) - same | 24-QFN (5 mm x 5 mm) - same |
关键差异点
- Documented Silicon Labs revision and drop-in route （对比 EFM32TG108F8-D-QFN24)
- Exact device configuration with production reel ordering （对比 EFM32TG108F8-QFN24T)
- Tiny Gecko power-management architecture （对比 EFM32ZG108F8-QFN24)
设计说明
Use the manufacturer QFN24 land pattern and thermal-pad geometry rather than adapting a generic QFN footprint. The verified package is 24-QFN, 5 mm by 5 mm, with an exposed pad. Route the pad to the recommended ground or thermal land according to the datasheet and keep short high-frequency return paths beneath the device. Confirm paste-aperture dimensions, pad numbering, and solder-reflow profile during PCB library signoff.
Design the 1.85 V to 3.8 V supply rail with margin for startup, transients, and the device's operating mode. Place local decoupling at the supply pins using the capacitance and layout specified by the manufacturer datasheet. For battery systems, estimate average current from active time, standby current, wake frequency, and peripheral leakage rather than CPU frequency alone. Estimated average current equals active current multiplied by active duty cycle plus standby current multiplied by standby duty cycle.
Do not treat the exposed pad as an optional thermal feature or assume that any 24-QFN device is pin-compatible. Verify every pin against the manufacturer datasheet, especially power, ground, reset, programming, and analog-capable functions. Also check firmware support for the device revision before using EFM32TG108F8-D-QFN24 as a substitution; the revision is intended to resolve two documented errata items and should be validated in the complete product design.
合规信息
The manufacturer datasheet states that EFM32 packages are RoHS compliant and free of Bromine and Antimony. No verified information was supplied for REACH, lead-free status, halogen-free status, or conflict-minerals compliance.
