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ATWINC1500-MR210PB1952
Microchip Technology
RF TXRX MOD WIFI TRACE ANT SMD
1000251 Pcs New Original In Stock
WiFi 802.11b/g/n Transceiver Module 2.4GHz Integrated, Trace Surface Mount
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5.0 / 5.0
- (339 Ratings)
ATWINC1500-MR210PB1952
Product Overview
1284568
DiGi Electronics Part Number
ATWINC1500-MR210PB1952-DGManufacturer
Microchip Technology
ATWINC1500-MR210PB1952
Description
RF TXRX MOD WIFI TRACE ANT SMDInventory
1000251 Pcs New Original In Stock
WiFi 802.11b/g/n Transceiver Module 2.4GHz Integrated, Trace Surface Mount
Quantity
Minimum 1
Minimum 1
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ATWINC1500-MR210PB1952 Technical Specifications
Category
RF Transceiver Modules and Modems
Packaging
Tray
Series
-
Product Status
Active
DiGi-Electronics Programmable
Not Verified
RF Family/Standard
WiFi
Protocol
802.11b/g/n
Modulation
16-QAM, 64-QAM, BPSK, CCK, DBPSK, DQPSK, OFDM, QPSK
Frequency
2.4GHz
Data Rate
72.2Mbps
Power - Output
18.5dBm
Sensitivity
-95dBm
Serial Interfaces
I2C, SPI, UART
Antenna Type
Integrated, Trace
Utilized IC / Part
-
Memory Size
4MB Flash, 128kB RAM
Voltage - Supply
2.7V ~ 3.6V
Current - Receiving
61mA
Current - Transmitting
265mA
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C
Package / Case
Module
Firmware Version
19.5.2
Base Product Number
ATWINC1500
Datasheet & Documents
HTML Datasheet
ATWINC1500-MR210PB1952-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
5A992C
HTSUS
8542.39.0001
Additional Information
Standard Package
72
Alternative Parts
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MANUFACTURER
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Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
제품이 매우 견고하게 만들어져 있어서 오래 사용할 수 있겠다고 느꼈고, 포장도 꼼꼼해서 다시 주문하고 싶어요.
de desembre 02, 2025
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de desembre 02, 2025
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de desembre 02, 2025
デザインが洗練されていて、見やすさと使いやすさが両立している点がとても良かったです。
de desembre 02, 2025
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the ATWINC1500-MR210PB1952 in a compact IoT device with limited PCB space for the trace antenna?
When integrating the ATWINC1500-MR210PB1952 into space-constrained IoT designs, the primary risk is degrading the performance of the integrated trace antenna due to nearby components or poor PCB layout. To mitigate this, maintain a minimum 3mm antenna keep-out zone free of copper pours, components, and vias. Avoid placing noise-generating circuits like power regulators or high-speed digital lines near the antenna section. Also, ensure the PCB stack-up includes a solid ground plane beneath but not under the antenna area. Simulate radiation patterns using EM tools if possible, and validate with over-the-air (OTA) testing to confirm -95dBm sensitivity is maintained under real-world conditions.
How does the ATWINC1500-MR210PB1952 compare to the ESP32-WROOM-32 in terms of sleep current and wake-on-LAN capabilities for battery-powered sensor applications?
The ATWINC1500-MR210PB1952 is a Wi-Fi transceiver only and requires an external host MCU, whereas the ESP32-WROOM-32 integrates a processor and Wi-Fi. For battery-powered designs, the ESP32 offers better deep-sleep current (as low as 5µA), but the ATWINC1500-MR210PB1952 allows more flexible low-power strategies by pairing with ultra-low-power MCUs like the SAM L11. The ATWINC1500 supports asynchronous wake via GPIO interrupts from WLAN events, enabling wake-on-LAN-type behavior. However, it lacks built-in MAC-level wake filters, requiring careful firmware coordination with the host to avoid spurious wakeups. Use Pmods or dedicated power-gating circuits to disable the 265mA transmit current path during sleep to optimize battery life.
Can the ATWINC1500-MR210PB1952 reliably replace the aging U.FL-connected BCM43362 in an existing wearable design, and what integration challenges should be expected?
Yes, the ATWINC1500-MR210PB1952 can replace the BCM43362 in wearables, but integration requires significant redesign due to the shift from U.FL external antenna to an integrated trace antenna. This eliminates antenna cable losses and mechanical connectors but makes RF performance highly dependent on your PCB layout and enclosure materials. Avoid metallic coatings or conductive labels near the antenna zone. The ATWINC1500 uses SPI instead of SDIO, requiring changes to host interface firmware. Also verify coexistence with Bluetooth if using co-located BLE ICs—consider running SPI at lower speeds during high RF activity to reduce coupling. Antenna tuning may be necessary to match the original radiated performance.
What thermal and current delivery considerations are critical when the ATWINC1500-MR210PB1952 operates in continuous transmit mode at 18.5dBm in a sealed enclosure?
In continuous transmit mode, the ATWINC1500-MR210PB1952 draws 265mA at up to 3.6V, dissipating over 900mW of heat. In a sealed enclosure, this can push the module beyond its 85°C upper operating limit, risking thermal throttling or firmware instability. Use a 4-layer board with internal power and ground planes to improve heat dissipation, and place thermal vias under the exposed pad. Derate output power to 15dBm if possible to reduce current and thermal load. Monitor PCB temperature near the module during prolonged TX bursts. Consider adding a small NTC thermistor to trigger adaptive backoff in firmware. Ensure the power supply can sustain 300mA peaks without drooping below 2.7V to prevent brownout resets.
Is the ATWINC1500-MR210PB1952 firmware-compatible with the newer ATWINC1500-MR210PB1976, and what validation steps are needed when switching between these variants?
While the ATWINC1500-MR210PB1952 and ATWINC1500-MR210PB1976 are pin- and footprint-compatible, firmware compatibility is not guaranteed due to differences in firmware version (19.5.2 vs 19.7.6). The newer variant may include updated Wi-Fi security patches, PHY calibration, or API changes that affect host driver behavior. Always validate the updated firmware image with your host MCU’s driver stack, especially for TLS handshake performance and power save modes. Re-run RF conformance tests (e.g., frequency accuracy, modulation quality) and sensitivity sweeps to ensure regulatory compliance. Test in high-interference environments, as firmware updates may alter channel selection or roaming logic. Maintain firmware version control in production BOMs to prevent unexpected field behavior.
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ATWINC1500-MR210PB1952 CAD Models
Microchip Technology ATWINC1500-MR210PB1952 PCB symbols & footprints
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