The Kinetis KW41Z/31Z/21Z MCU family for wireless applications is the second

multi-mode family in the Kinetis W series portfolio. Primarily used for automation and

healthcare purposes, these MCUs enable low-energy and long-range connectivity.

Design with

multi-mode

(BLE/Generic-

FSK/802.15.4)

radio solutions

Kinetis® KW41Z/31Z/21Z

MCUs for Wireless Applications

TARGET APPLICATIONS

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Home automation

– Access control

– Appliances

– Lighting control

– Smart thermostats

– Water heater control

– Curtain/window blind control

– Security systems

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Building automation

– Building control and monitoring

– Building HVAC control

– Fire/security

– Retail pricing management

– Security and access control

– Usage data collection

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Healthcare

– Fitness monitoring

– Home healthcare

– Institutional care

– Medication asset

– Patient monitoring

OVERVIEW

Integrating a Bluetooth® Low Energy (BLE) v4.2, Generic FSK

(at 250, 500 and 1000 kbit/s) and IEEE® 802.15.4 compliant

modem, Kinetis KW41Z/31Z/21Z MCUs can support multiple

protocols running concurrently (time slice) in a single chip.

These MCUs also integrate a buck-boost DC-DC converter,

supporting a wide range of operating voltages from 0.9 V

to 4.2 V, significantly reducing the peak current in receive

and transmit modes. At the same time, this MCU family

delivers an excellent link budget that ensures the longest

range of communication and high immunity to interference.