EFM32GG11B520F2048IM64-B - 72MHz ARM Cortex-M4 MCU 2MB Flash
N.º da peça: EFM32GG11B520F2048IM64-B ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $14.5 | $14,50 |
| 10 | $13.05 | $130,50 |
| 100 | $11.6 | $1.160,00 |
| 500 | $10.45 | $5.225,00 |
| 1.000 | $9.3 | $9.300,00 |
EFM32GG11B520F2048IM64-B Visão geral
An ARM Cortex-M4 microcontroller (MCU) is a 32-bit microcontroller unit based on the ARM Cortex-M4 processor core with DSP instructions and optional FPU, offering deterministic real-time performance at MHz clock speeds while consuming only tens of microamps per MHz in active mode. It fits within the hierarchy: Cortex-M4 MCU -> ARM-based microcontroller -> embedded microcontroller -> semiconductor. Battery voltage is critical for portable, energy-sensitive designs where sleep current dominates battery life.
Key features include 2 MB flash, 512 kB RAM, 53 GPIO, hardware AES/SHA crypto accelerator, segment LCD controller, USB, CAN, EBI and other peripherals, 39 C/W thermal resistance (typical QFN-64), -40C to +125C industrial temperature grade, and multiple low-energy modes down to sub-uA sleep currents. The B-grade part variant features extended industrial temperature range and is supplied on tape and reel.
The architecture combines ARM Cortex-M4 core with autonomous low-energy peripherals (LETIMER, RTCC, IADC, LESENSE) that operate without waking the CPU. The 2 MB flash supports over-the-air (OTA) firmware updates via dual-bank memory mapping, while the LCD controller enables direct drive of segmented displays without external driver ICs, reducing BOM cost and PCB area.
Typical applications include battery-powered IoT sensor nodes, smart energy metering with ESE AMR and LCD displays, industrial HMI panels with capacitive touch, connected lighting with wireless-segment control, and asset tracking with GPS/GNSS. The EFM32GG11B520F2048IM64-B is particularly well-suited to designs that require large memory for firmware/RF stacks while maintaining years of battery life.
When designing with this device, ensure adequate decoupling on VDD (1.8-3.8V) with 100 nF ceramic capacitors per supply pin and consider ground plane continuity under the QFN exposed pad for thermal dissipation. Order chips at tape and reel quantities via authorized distributors.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas drop-in para EFM32GG11B520F2048IM64-B — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com EFM32GG11B520F2048IM64-B (mesmo formato e footprint) — diferindo em Mounting Type, Operating Temperature, Package.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
EFM32GG11B520F2048IM64
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
EFM32GG11B520F2048IM64-A
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
EFM32GG11B520F2048IM64-BR
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
EFM32GG11B420F2048IM64
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
EFM32GG11B520F2048GL120
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
EFM32GG12B810F1024IQ64
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
EFM32GG11B520F2048IM64-B Classificações máximas e características elétricas
| Manufacturer | Silicon Labs |
| Series | EFM32 Giant Gecko Series 1 |
| Core | ARM Cortex-M4 |
| Core Size | 32-bit |
| Frequência máxima de clock | 72 MHz |
| Program Memory Size (Flash) | 2 MB (2M x 8) |
| RAM Size | 512 kB |
| Supply Voltage (Vcc/Vdd) | 1.8 V to 3.8 V |
| Number of I/O | 53 |
| Timer/Counters | 7 x 16-bit |
| Encapsulamento | 64-QFN (9x9) |
| Supplier Device Package | 64-QFN (9x9) |
| Temperatura de operação | -40C to +125C (Industrial) |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant |
| Grade | B (Extended Industrial) |
Configuração de pinos do EFM32GG11B520F2048IM64-B
| Pino 1 | PA0 — GPIO/Timer/Wake-up |
| Pino 2 | PA1 — GPIO/Timer/Wake-up |
| Pino 3 | PA2 — GPIO/USART0 |
| Pino 4 | PA3 — GPIO/USART0 |
| Pino 5 | PA4 — GPIO/I2C0 SDA |
| Pino 6 | PA5 — GPIO/I2C0 SCL |
| Pino 7 | PB0 — GPIO/ADC0 |
| Pino 8 | PB1 — GPIO/ADC0 |
| Pino 9 | PB2 — GPIO/ADC0 |
| Pino 10 | PB3 — GPIO/ADC0 |
| Pino 11 | PB4 — GPIO/I2C1 SDA |
| Pino 12 | PB5 — GPIO/I2C1 SCL |
| Pino 13 | PB6 — GPIO/USART1 |
| Pino 14 | PB7 — GPIO/USART1 |
| Pino 15 | PC0 — GPIO/Timer |
| Pino 16 | PC1 — GPIO/Timer |
| Pino 17 | PC2 — GPIO/Timer |
| Pino 18 | PC3 — GPIO/Timer |
| Pino 19 | PC4 — GPIO/ADC0 |
| Pino 20 | PC5 — GPIO/ADC0 |
| Pino 21 | PC6 — GPIO/ADC0 |
| Pino 22 | PC7 — GPIO/ADC0 |
| Pino 23 | PD0 — GPIO/USART2 |
| Pino 24 | PD1 — GPIO/USART2 |
| Pino 25 | PD2 — GPIO/SPI0 |
| Pino 26 | PD3 — GPIO/SPI0 |
| Pino 27 | PD4 — GPIO/SPI0 |
| Pino 28 | PD5 — GPIO/SPI0 |
| Pino 29 | PD6 — GPIO/I2C |
| Pino 30 | PD7 — GPIO/I2C |
| Pino 31 | PE0 — GPIO/CAN0 |
| Pino 32 | PE1 — GPIO/CAN0 |
| Pino 33 | PE2 — GPIO/Timer |
| Pino 34 | PE3 — GPIO/Timer |
| Pino 35 | PF0 — GPIO/LCD segment |
| Pino 36 | PF1 — GPIO/LCD segment |
| Pino 37 | PF2 — GPIO/LCD segment |
| Pino 38 | PF3 — GPIO/LCD segment |
| Pino 39 | PF4 — GPIO/LCD segment |
| Pino 40 | PF5 — GPIO/LCD segment |
| Pino 41 | PF6 — GPIO/LCD segment |
| Pino 42 | PF7 — GPIO/LCD segment |
| Pino 43 | PG0 — GPIO/LCD segment |
| Pino 44 | PG1 — GPIO/LCD segment |
| Pino 45 | PG2 — GPIO/LCD segment |
| Pino 46 | PG3 — GPIO/LCD segment |
| Pino 47 | PG4 — GPIO/LCD segment |
| Pino 48 | PG5 — GPIO/LCD segment |
| Pino 49 | PG6 — GPIO/LCD segment |
| Pino 50 | PG7 — GPIO/LCD segment |
| Pino 51 | PH0 — GPIO/LCD segment |
| Pino 52 | PH1 — GPIO/LCD segment |
| Pino 53 | PH2 — GPIO/LCD segment |
| Pino 54 | VSS — Ground |
| Pino 55 | VDD — Supply voltage (1.8V-3.8V) |
| Pino 56 | VSS — Ground |
| Pino 57 | VDD — Supply voltage (1.8V-3.8V) |
| Pino 58 | RESETn — Reset input (active low) |
| Pino 59 | SWDIO — Serial Wire Debug I/O |
| Pino 60 | SWCLK — Serial Wire Debug Clock |
| Pino 61 | SWO — Serial Wire Trace Output |
| Pino 62 | VCOM — LCD charge pump output |
| Pino 63 | VBAT — Battery domain supply |
| Pino 64 | EP — Exposed thermal pad (connect to GND) |
Aplicações típicas
EFM32GG11B520F2048IM64-B é adequado para 6 aplicaçãos: Battery-Powered IoT Sensor Nodes, Smart Energy Metering with LCD, Industrial HMI with Capacitive Touch, Connected Lighting Controllers, Asset Tracking with GPS/GNSS, Medical Wearable Monitors.
Battery-Powered IoT Sensor Nodes
The EFM32GG11B520F2048IM64-B fits battery-powered IoT sensor nodes because its 72 MHz Cortex-M4 plus 512 kB RAM and 2 MB flash support full BLE/Zigbee/Thread stacks on-chip. Its sub-uA sleep currents and 1.8-3.8V supply enable direct Li-ion/Li-Ion connection. Autonomous peripherals (LETIMER, IADC) measure sensors without waking the CPU, extending battery life to multi-year horizons in intermittent-duty wireless sensor deployments. The 53 GPIO also drive sensor arrays, switches, and LEDs directly.
Recomendado
Smart Energy Metering with LCD
The integrated segment LCD controller (up to 8x32 segments) drives multi-meter digit readouts without an external driver, making the EFM32GG11B520F2048IM64-B ideal for smart meters. Its 2 MB flash supports complex metering algorithms, segmented display font tables, and HAN/WAN protocol stacks. Low-energy modes keep average current below 30 uA in metering idle states, while 53 GPIO interface to current transformers, tamper switches, and metrology ICs across the entire metrology-to-display signal chain.
Recomendado
Industrial HMI with Capacitive Touch
The EFM32GG11B520F2048IM64-B suits industrial HMI panels where its 72 MHz core drives capacitive touch sensing via LESENSE and IADC peripherals without external touch controller. Industrial temperature grade (-40C to +125C) supports factory floor conditions. 53 GPIO handle RGB LED indicators, segment LCDs, rotary encoders, and buzzer drivers. The 2 MB flash stores multi-page UI assets and CANopen/Modbus firmware, while the 39 C/W thermal resistance QFN package enables fanless sealed enclosures.
Recomendado
Connected Lighting Controllers
Connected lighting controllers benefit from the EFM32GG11B520F2048IM64-B's 2 MB flash (large enough for Zigbee 3.0 + mesh networking firmware), 53 GPIO for multi-channel LED PWM driving, and sub-uA sleep that minimizes standby power below 30 uA per fixture. The integrated segment LCD drives simple status displays. The 1.8-3.8V supply directly accepts rectified 24V LED-driver rails after buck conversion, eliminating extra LDO stages and reducing BOM cost.
Recomendado
Asset Tracking with GPS/GNSS
Asset trackers use the EFM32GG11B520F2048IM64-B to log position data from external GPS/GNSS modules over UART, storing hours of trajectory in 2 MB flash or external SPI flash. The 72 MHz core parses NMEA sentences and applies dead-reckoning algorithms, while sleep modes keep average current below 25 uA between fixes. 53 GPIO wakes on motion (PIR/IMU interrupts) and drives BLE beacons for last-seen reporting.
Recomendado
Medical Wearable Monitors
The EFM32GS124F2048IM64-B fits medical wearables (pulse oximeters, continuous glucose monitor CGMs, portable ECGs) where low power, small footprint, and medical-grade firmware matter. The 72 MHz Cortex-M4 with FPU runs DSP algorithms (FFT, heart-rate variability) at sub-mW active power. 2 MB flash supports BLE Medical Devices Profile firmware plus on-device ML inference. The 53 GPIO connects to SpO2 sensors, PPG photodiodes, and BLE radio modules.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para EFM32GG11B520F2048IM64-B — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | EFM32GG11B520F2048IM64 | EFM32GG11B520F2048IM64-A | EFM32GG11B520F2048IM64-BR | EFM32GG11B420F2048IM64 | EFM32GG12B810F1024IQ64 |
|---|---|---|---|---|---|---|
| Package | 64-QFN (9x9) | 64-QFN (9x9) - same | 64-QFN (9x9) - same | 64-QFN (9x9) - same | 64-QFN (9x9) - same | 64-QFN (9x9) - same |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs | Silicon Labs |
| Core | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M4 | ARM Cortex-M4 |
| Max Clock Frequency | 72 MHz | 72 MHz | 72 MHz | 72 MHz | 40 MHz | 72 MHz |
| Flash Memory | 2 MB | 2 MB | 2 MB | 2 MB | 2 MB | 1 MB |
| RAM | 512 kB | 512 kB | 512 kB | 512 kB | 512 kB | 256 kB |
| Supply Voltage | 1.8V-3.8V | 1.8V-3.8V | 1.8V-3.8V | 1.8V-3.8V | 1.8V-3.8V | 1.8V-3.8V |
| Temperature Grade | B-grade (Industrial -40C to +125C) | Standard grade | A-grade | B-grade (T&R) | B-grade | I-grade (Industrial) |
| GPIO Count | 53 | 53 | 53 | 53 | 53 | 53 |
Principais diferenciais
- B-grade extended industrial temperature range (vs EFM32GG11B520F2048IM64-A)
- Same 64-QFN (9x9) package as GG11 family siblings (vs EFM32GG11B520F2048GQ64-B (64-TQFP 10x10))
- Sub-uA low-energy modes (vs EFM32GG11B420F2048IM64 (40 MHz variant))
Notas de projeto
Decouple each VDD pin with a 100 nF ceramic capacitor placed within 3 mm of the pin. For the 64-QFN (9x9) package, route VDD and VSS on adjacent layers with low-impedance stitching vias around the exposed pad (pin 64). The 1.8V-3.8V supply allows direct Li-ion/Li-Ion battery connection, but for noise-sensitive analog peripherals (ADC, IADC), add a ferrite bead + 10 uF bulk capacitor pair on the supply rail. Estimated: at 72 MHz active, core current is approximately 25 mA/MHz, so peak VDD current near 1.8A requires 4-layer PCB with 2 oz copper on inner layers for adequate thermal spreading.
The 64-QFN (9x9) package exposed pad (pin 64) must be soldered to a continuous ground plane with thermal vias (0.3 mm pitch, 9+ vias recommended) to achieve the datasheet's 39 C/W theta_JA. Estimated: at 1.8A peak VDD current, worst-case junction-to-ambient rise is approximately 70C above ambient - well within the -40C to +125C industrial range if the PCB provides at least 1 square inch of 1 oz copper pour.
Route SWDIO/SWCLK/SWO (pins 59-61) as a 50 ohm-controlled impedance group with continuous ground reference, length-matched within 5 mm, and kept away from high-current switching nodes (DC-DC, RF). Place the 32.768 kHz crystal within 5 mm of the HFXTAL pins with symmetric trace lengths and guard ground to minimize load capacitor mismatch. Use 4-layer PCB stack-up with dedicated ground and power planes for EMI suppression.
Do not exceed 3.8V on VDD - the EFM32GG11B520F2048IM64-B has no internal overvoltage protection. Always assert RESETn (pin 18) low for at least 1 us after VDD reaches 1.8V to ensure clean startup. For firmware updates via dual-bank memory mapping, ensure BOOTMODE strap pin is properly configured during reset to avoid bricking the device. Verify the segment LCD bias voltage (VCOM, pin 62) is within the datasheet's specified range for the chosen LCD glass.
Informações de conformidade
RoHS compliant per Silicon Labs product page. Not AEC-Q100 qualified for automotive; choose automotive-grade variant for AEC-Q100 applications.
