EFM32TG825F16-BGA48 - 32MHz ARM Cortex-M3 MCU | Silicon Labs
MPN: EFM32TG825F16-BGA48 ✓ نشطEFM32TG825F16-BGA48 نظرة عامة
A microcontroller is a programmable system-on-chip that integrates a CPU core, memory, communication interfaces, timers, and analog or mixed-signal peripherals. In the embedded-device hierarchy, the EFM32TG825F16-BGA48 is an ARM Cortex-M3 microcontroller, a 32-bit embedded processor, and a member of the power-conscious Tiny Gecko platform. Its role is to execute application firmware while coordinating sensors, communications, human interfaces, and actuator-control functions within a battery-operated or energy-limited product.
Key features include a 32 MHz ARM Cortex-M3 core, 16 KB flash, 4 KB RAM, and operation from a 1.85 V to 3.8 V supply. The device also provides a deep-sleep current of 1.0 µA at 3 V when the 32.768 kHz oscillator, real-time clock, power-on reset, brown-out detector, RAM, and CPU retention are included in the measurement. Its 48-BGA package supports dense PCB layouts while exposing the family’s mixed-signal and communications capabilities.
The Tiny Gecko architecture emphasizes efficient execution, rapid peripheral operation, and multiple low-energy modes. A 32 MHz Cortex-M3 core is suitable for control loops, communication protocols, state machines, and modest signal-processing workloads. The 4 KB of RAM provides working space for stacks and application variables, while the 16 KB of flash accommodates firmware and configuration data. These capacities should be checked against the final code size and protocol-buffer requirements during design planning.
Typical applications include low-power sensor nodes, compact industrial instrumentation, connected industrial equipment, energy-conscious consumer products, and small systems with display or communications requirements. The 48-BGA footprint is particularly useful when board area is constrained. In these systems, the MCU can manage acquisition, local control, protocol handling, and power-state transitions while preserving state during selected sleep periods.
Designers should follow the manufacturer pin description and recommended decoupling guidance when assigning the 48-ball footprint. The 1.85 V to 3.8 V operating range defines the usable external supply envelope, while brown-out detection helps supervise system rails. Confirm peripheral availability, pin multiplexing, memory requirements, and startup behavior against the manufacturer datasheet for the exact ordering code before releasing the PCB layout.
This page combines the exact ordering-code characteristics with package-level guidance, low-power design considerations, verified drop-in alternatives, and a parameter comparison. It helps engineers identify whether the EFM32TG825F16-BGA48 fits a compact, low-power Cortex-M3 design and how closely related ordering variants differ.
بدائل مباشرة لـ EFM32TG825F16-BGA48 — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع EFM32TG825F16-BGA48 (نفس عامل الشكل والبصمة) — يختلف في Flash Memory, Package, RAM, Supply Voltage Range.
EFM32TG825F16-BGA48T
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
EFM32TG825F16-D-BGA48
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
EFM32TG825F16-D-BGA48R
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
EFM32TG825F16-BGA48 الحدود القصوى والخصائص الكهربائية
| Product Type | 32-bit ARM Cortex-M3 microcontroller |
| Series | Tiny Gecko |
| CPU Core | ARM Cortex-M3 |
| Architecture | 32-bit single-core |
| Maximum CPU Frequency | 32 MHz |
| Flash Memory | 16 KB (16K x 8) |
| RAM | 4 KB |
| Supply Voltage Range | 1.85 V to 3.8 V |
| Deep Sleep Current | 1.0 µA at 3 V |
| Deep Sleep Configuration | Includes RTC with 32.768 kHz oscillator, power-on reset, brown-out detector, RAM, and CPU retention |
| العلبة | 48-BGA (4 mm x 4 mm) |
| نوع التركيب | Surface mount |
| Datasheet File Size | 2 MB |
| Datasheet Page Count | 67 pages |
دليل تكوين أطراف EFM32TG825F16-BGA48 48-bga (4 mm x 4 mm)
تكوين الأطراف لـ EFM32TG825F16-BGA48 (حزمة 48-bga (4 mm x 4 mm)). تتضمن هذه الدائرة المتكاملة الرقمية GPIO وواجهات الاتصال (UART وSPI وI2C) وأطراف الطاقة. راجع ورقة بيانات الشركة المصنعة لوظائف الأطراف البديلة وخيارات التكوين. ضرورية لتصميم الأنظمة المدمجة وتخطيط PCB.
لا تتوفر بيانات مفصلة لمخطط التوصيلات لـ EFM32TG825F16-BGA48.
راجع ورقة البيانات للحصول على تكوين الأطراف الكامل.
التطبيقات النموذجية
EFM32TG825F16-BGA48 مناسب لـ 6 التطبيقs: Low-Power Sensor Node, Industrial Instrumentation, Portable Consumer Device, Battery-Powered Monitor, Compact Interface Controller, Energy-Sensitive IoT Node.
Low-Power Sensor Node
The EFM32TG825F16-BGA48 fits compact sensor nodes that periodically acquire measurements and return to a low-power state. Its 32 MHz ARM Cortex-M3 core can execute filtering, threshold logic, sampling control, and communication tasks, while 16 KB of flash and 4 KB of RAM provide storage and working memory for lightweight firmware. The 1.0 µA deep-sleep current at 3 V is particularly relevant to battery-operated designs. The engineering trade-off is that the limited RAM requires disciplined buffering and protocol state management, and total standby consumption will also include sensor and radio leakage.
موصى به
Industrial Instrumentation
The EFM32TG825F16-BGA48 can serve as the control processor in compact industrial instrumentation where deterministic digital control, local status reporting, and low standby consumption are important. Its 32 MHz Cortex-M3 core handles timers, control loops, device state, and serial protocol tasks, while the 4 mm by 4 mm 48-BGA package preserves board space around signal-conditioning and interface circuitry. The 1.85 V to 3.8 V operating range supports low-voltage system design. Engineers should verify the exact analog and digital peripheral mix, pin multiplexing, brown-out behavior, and factory calibration requirements against the ordering-code documentation.
موصى به
Portable Consumer Device
A portable product can use the EFM32TG825F16-BGA48 for UI state management, sensor coordination, low-speed communications, and power-mode control. The Tiny Gecko microcontroller combines a 32 MHz Cortex-M3 processor with a 1.0 µA deep-sleep specification at 3 V, allowing the firmware to remain responsive while reducing energy use between user interactions. Its compact 48-BGA package also supports densely populated portable electronics. The 16 KB flash and 4 KB RAM are suitable for focused embedded tasks but may be restrictive for large graphical interfaces, extensive data buffering, or heavyweight communication stacks.
موصى به
Battery-Powered Monitor
The EFM32TG825F16-BGA48 is appropriate for battery-powered environmental or equipment monitoring products that alternate between measurement activity and long sleep periods. The MCU can supervise acquisition timing, process sensor values, maintain RTC-related state, and schedule periodic reporting while its documented deep-sleep configuration retains RAM and CPU state. The 32 MHz core provides sufficient performance for real-time control without requiring a higher-power processor. The design should measure the full board sleep current because sensor front ends, pull networks, radio modules, and regulators can dominate system energy even when the MCU itself consumes only 1.0 µA in deep sleep.
موصى به
Compact Interface Controller
The EFM32TG825F16-BGA48 can act as a compact interface controller for equipment containing multiple low-speed peripherals, status indicators, and a communications link. Its 32 MHz Cortex-M3 core manages peripheral multiplexing, command parsing, timers, and power sequencing, while the 48-BGA footprint reduces routing congestion in small assemblies. Because the device provides only 4 KB of RAM and 16 KB of flash, the application should use interrupt-driven peripherals and compact buffers rather than large blocking data transfers. Confirm every multiplexed signal in the manufacturer pin table and ensure external interfaces remain compatible with the 1.85 V to 3.8 V device supply range.
موصى به
Energy-Sensitive IoT Node
The EFM32TG825F16-BGA48 supports energy-sensitive IoT nodes that require periodic sensing, local decisions, and communication while preserving minimal board area. Its Tiny Gecko low-power architecture, 1.0 µA deep-sleep mode at 3 V, RTC support, and state-retention capabilities allow software to reduce active time without repeatedly reconstructing all controller state. The compact 48-BGA package is helpful in miniaturized products, and the Cortex-M3 core can manage moderate protocol workloads. However, radio protocol size, data buffering, and security requirements must be checked against the 16 KB flash and 4 KB RAM limits before selecting the device.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ EFM32TG825F16-BGA48 — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | EFM32TG825F16-BGA48T | EFM32TG825F16-D-BGA48 | EFM32TG825F16-D-BGA48R |
|---|---|---|---|---|
| Package | 48-BGA (4x4) | 48-BGA (4x4) - same | 48-BGA (4x4) - same | 48-BGA (4x4) - same |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
| Ordering Suffix | EFM32TG825F16-BGA48 | T suffix | -D revision suffix | -D revision and R packing suffix |
أبرز الفروقات
- Maintains the complete matched processing and memory configuration (مقابلEFM32TG825F16-BGA48T)
- Uses the same compact 4 mm by 4 mm footprint as the revised ordering variant (مقابلEFM32TG825F16-D-BGA48)
- Combines low-power operation with a 32 MHz control core (مقابلEFM32TG825F16-D-BGA48R)
ملاحظات التصميم
Design the supply network for the 1.85 V to 3.8 V operating range and use the manufacturer-recommended decoupling values and placement. Brown-out detection is part of the documented low-power configuration, but its threshold and reset behavior must be configured for the actual system rail. Do not infer total product sleep current from the 1.0 µA MCU specification because sensors, regulators, pull networks, and communications hardware can dominate the standby budget.
Assign all 48 BGA balls directly from the manufacturer pin-description table before committing the component placement. Keep the exposed supply and ground connections, decoupling capacitors, and any high-frequency or sensitive analog routes aligned with the recommended reference layout. Because this is a 4 mm by 4 mm BGA, inspect the assembled board under magnification and verify that the PCB land pattern matches the exact 48-BGA ordering-code drawing.
Confirm firmware size, RAM allocation, and peripheral requirements before finalizing a design around the 16 KB flash and 4 KB RAM limits. A 32 MHz core does not remove memory constraints imposed by communication stacks, buffers, or security functions. Also verify startup, debug, reset, and wake-up behavior for the selected ordering suffix rather than treating suffix variants as automatically identical.
Estimate total junction heating from the operating supply, core activity, and any selected high-power peripheral rather than from CPU frequency alone. The small 48-BGA footprint can limit copper area, so provide the recommended PCB thermal paths and avoid placing heat-producing regulators or power stages directly beneath the MCU. Use manufacturer thermal characterization for final worst-case ambient and activity conditions.
معلومات الامتثال
No definitive component-level compliance declarations were identified for the exact EFM32TG825F16-BGA48 ordering code. Obtain current environmental and quality documentation from Silicon Labs before making a compliance claim.
