Tuesday, April 16, 2024

Low Power, Wireless Connectivity for Smart Home Devices

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  • The wireless microcontrollers by NXP Semiconductors integrate multiprotocol mesh networking
  • Completes IoT wireless portfolio that includes Bluetooth LE, Thread, Zigbee and WI-FI communications

NXP Semiconductors has introduced a new family of ultra-low power, multiprotocol wireless microcontrollers (MCUs), the K32W061/41. The new low power devices complement the s recently introduced pin-compatible JN5189/88 (Thread/Zigbee) and QN9090/30 (Bluetooth LE) MCUs and provide original equipment manufacturers (OEMs) with a simple support system for current and emerging smart home and building use cases.

Low power consumption of today’s smart home and IoT devices is crucial for achieving high performance from a single coin cell battery.  NXP’s K32W061/41 MCU achieves this via multiple low power modes and low transmit/receive radio power capabilities.

Provides standardised communications

The K32W061/41 wireless microcontrollers are based on an Arm Cortex M4 microcontroller core running at 48MHz and includes 640 KB of onboard flash and 152 KB SRAM, providing storage space and flexibility for complex applications and software over-the-air (OTA) updates. The optional NFC NTAG provides standardized out-of-band communications for simplifying the pairing process. The multiprotocol radio includes an integrated power amplifier capable of up to + 11dBm output making long-distance transmission possible.

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The K32W061 and the K32W041 feature an IEEE 802.15.4 radio supporting Thread and Zigbee networking protocols, Bluetooth Low Energy 5.0 and an integrated NFC NTAG (K32W061).

The devices also support a wide operating temperature range (-40 degrees Celsius to +125 degrees Celsius). These peripherals have a range of use such as:

  • home and building automation
  • security and access control
  • smart thermostats and locks
  • gateways and sense sensor networks applications

Product support

  • NXP’s MCUXpresso software development kit (SDK) for the K32W061/41 wireless MCUs is compatible with the latest toolchains from IAR and NXP’s MCUXpresso IDE.
  • The NXP IoT Toolbox smart device application and connectivity tool help developers evaluate RF performance and test more efficiently.
  • Hardware development support with the NXP IoT Development Kit, part number IOTZTB-DK006, that provides the ideal prototyping platform of a complete IoT design.
  • Additional development hardware includes a USB dongle, part number OM15080-K32W for Bluetooth LE, Thread and Zigbee networks.

“The demand for ultra-low power connectivity in the smart home continues to grow as does the number of wireless technologies to choose from,” said Tom Pannell, senior marketing director for connectivity solutions at NXP. “With the launch our new multiprotocol wireless microcontrollers, NXP is providing ultra-low power performance for connected applications by leveraging the breadth and expertise of our technology portfolio to deliver solutions that make it easier for OEMs to design robust and feature-rich Internet of Things devices with Bluetooth LE, Zigbee and Thread.”

The K32W061/41 family of microcontrollers are available now from NXP and its authorised distribution partners.


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