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CC3220SM2ARGKT
Texas Instruments
IC RF TXRX+MCU WIFI 64VFQFN
32292 Pcs New Original In Stock
IC RF TxRx + MCU WiFi 802.11b/g/n 2.4GHz 64-VFQFN Exposed Pad
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5.0 / 5.0
- (339 Ratings)
CC3220SM2ARGKT
Product Overview
1397559
DiGi Electronics Part Number
CC3220SM2ARGKT-DGManufacturer
Texas Instruments
CC3220SM2ARGKT
Description
IC RF TXRX+MCU WIFI 64VFQFNInventory
32292 Pcs New Original In Stock
IC RF TxRx + MCU WiFi 802.11b/g/n 2.4GHz 64-VFQFN Exposed Pad
Quantity
Minimum 1
Minimum 1
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CC3220SM2ARGKT Technical Specifications
Category
RF Transceiver ICs
Packaging
Cut Tape (CT) & Digi-Reel®
Series
SimpleLink™
Product Status
Active
DiGi-Electronics Programmable
Not Verified
Type
TxRx + MCU
RF Family/Standard
WiFi
Protocol
802.11b/g/n
Modulation
DSSS, OFDM
Frequency
2.4GHz
Data Rate (Max)
54Mbps
Power - Output
18dBm
Sensitivity
-96dBm
Memory Size
256kB RAM
Serial Interfaces
ADC, I2C, SPI, UART, PCM
GPIO
27
Voltage - Supply
2.1V ~ 3.6V
Current - Receiving
59mA
Current - Transmitting
223mA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
64-VFQFN Exposed Pad
Supplier Device Package
64-VQFN (9x9)
Base Product Number
CC3220
Datasheet & Documents
Getting Started Guide
CC3220 Getting Started Guide
Manufacturer Product Page
CC3220SM2ARGKT Specifications
Design Resources
CC3120, CC3220 Layout Guidelines
HTML Datasheet
CC3220SM2ARGKT-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
5A992C
HTSUS
8542.31.0001
Additional Information
Other Names
296-45440-2
296-45440-1
296-45440-6
CC3220SM2ARGKT-DG
Standard Package
250
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
DiGi Electronics’ products are built to last, demonstrating excellent quality.
de desembre 02, 2025
The company's inventory management system keeps things running smoothly.
de desembre 02, 2025
Their competitive prices help remote workers like me stay within budget while accessing reliable products.
de desembre 02, 2025
High-quality materials used in their products are evident at first touch.
de desembre 02, 2025
Post-sale support mechanisms are efficient and customer-focused.
de desembre 02, 2025
Whenever I face issues, their customer care is quick to resolve, making me feel valued as a long-term user.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when integrating the CC3220SM2ARGKT into a low-power IoT device with stringent battery life requirements?
When integrating the CC3220SM2ARGKT into battery-powered IoT applications, engineers must carefully manage its 223mA transmit current and 59mA receive current to avoid premature battery depletion. A major risk is improper power mode sequencing—failing to leverage deep sleep or standby modes effectively can drastically reduce battery life. To mitigate this, use the device's built-in low-power modes with RTC wake-up and optimize payload transmission intervals. Additionally, ensure clean power rail filtering, as voltage drops during transmit bursts can trigger brown-out resets. Use a low-quiescent-current LDO or buck converter to maintain efficiency across the 2.1V to 3.6V supply range, especially as batteries discharge.
How does the CC3220SM2ARGKT compare to the ESP32-WROOM-32 in terms of RF coexistence and integration complexity for industrial environments?
The CC3220SM2ARGKT offers better RF coexistence in noisy industrial environments compared to the ESP32-WROOM-32 due to its certified Wi-Fi stack and dedicated RF shielding within the SimpleLink architecture. Unlike the ESP32, which integrates Wi-Fi and Bluetooth on a single core, the CC3220SM2ARGKT isolates the RF subsystem, reducing interference risks during high-speed data acquisition via its 27 GPIOs and peripherals like I2C and SPI. However, integration complexity is higher with the CC3220SM2ARGKT due to mandatory external balun and PA matching network requirements, whereas the ESP32-WROOM-32 includes more onboard RF components. Designers should weigh regulatory certification ease—CC3220SM2ARGKT comes pre-certified (FCC, IC, CE)—against faster time-to-market with ESP32.
Can the CC3220SM2ARGKT replace the deprecated CC3100MOD in an existing gateway design, and what are the critical PCB layout considerations?
Yes, the CC3220SM2ARGKT can replace the CC3100MOD in most applications since it integrates the MCU (ARM Cortex-M4) alongside the Wi-Fi radio, unlike the CC3100MOD which required a host MCU. This simplifies BOM and reduces board space but demands careful RF layout due to the 64-VFQFN exposed pad package. Key risks include improper thermal pad anchoring and inadequate RF trace isolation. Always connect the exposed pad to ground via multiple vias near the center to ensure thermal and electrical integrity. Maintain a full ground plane under the CC3220SM2ARGKT, keep RF traces short and 50-ohm impedance-controlled, and separate digital switching paths to avoid coupling noise into the 2.4GHz antenna feed.
What reliability issues should be considered when deploying the CC3220SM2ARGKT in high-humidity or outdoor environments?
The CC3220SM2ARGKT is rated for -40°C to 85°C operation but has MSL 3 (168-hour floor life), making it susceptible to moisture ingress during reflow if not stored properly. In high-humidity or outdoor deployments, conformal coating is recommended to prevent leakage currents and electrochemical migration on the PCB, especially around the RF front-end. Avoid exposing the exposed pad or underside contacts to condensation. Additionally, ensure the external crystal and antenna components are similarly rated for harsh environments. Perform HALT testing with thermal cycling and humidity bias to validate long-term reliability, as Wi-Fi performance can degrade due to antenna detuning from moisture absorption in nearby materials.
What are the implications of using the CC3220SM2ARGKT’s integrated 256kB RAM in applications requiring OTA firmware updates and real-time sensor processing?
The CC3220SM2ARGKT’s 256kB RAM supports simultaneous OTA updates and real-time processing but requires careful memory partitioning to avoid stack overflow or Wi-Fi buffer starvation. A common risk is memory contention when running TCP/IP stack, TLS encryption, and sensor data buffering concurrently. Allocate RAM dynamically using TI-RTOS or FreeRTOS to prioritize real-time tasks, and buffer sensor data in bursts rather than continuously streaming. Use the 8-channel ADC and DMA support to offload the CPU. For secure OTA, ensure at least 128kB is reserved for the inactive image bank; insufficient memory headroom can cause failed updates and device bricking, so validate memory usage with full application profiling.
Quality Assurance (QC)
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CC3220SM2ARGKT CAD Models
Texas Instruments CC3220SM2ARGKT PCB symbols & footprints
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