MCX W23 Ultra-Low-Power Bluetooth® LE Wireless MCU
The NXP MCX W23 delivers ultra-low-power Bluetooth LE connectivity for battery-powered IoT and medical sensing devices
The NXP MCX W23 wireless MCU family is purpose-built for battery-powered IoT applications where ultra-low-power consumption, compact form factor size, and reliability are critical. Designed for wearable, medical, and smart-sensing devices, MCX W23 integrates Bluetooth Low Energy (LE) connectivity with an Arm® Cortex®-M33 application core in a highly efficient, single-chip solution.
The MCX W23 enables long battery life through an optimized low-power architecture and flexible power options that support direct operation from coin-cell and silver oxide batteries. Built-in security features and certification under the NXP EdgeLock® Assurance program help protect connected devices throughout their lifecycle. A comprehensive development ecosystem—including FRDM-MCXW23 boards and sensor expansion options—allows designers to quickly evaluate, prototype, and deploy compact wireless devices for next-generation IoT and medical applications.
- Arm Cortex-M33 application core with TrustZone®-M support
- Ultra-low-power Bluetooth Low Energy 5.3 wireless connectivity
- Highly integrated single-chip wireless MCU with embedded Flash
- Flexible power architecture supporting lithium and silver oxide batteries
- Integrated EdgeLock security and SESIP Level 2/PSA Level 2 certification
- Secure boot, secure debug, and secure over-the-air firmware updates
- Compact package options as small as 2.6 mm x 2.5 mm optimized for miniaturized designs
- Wearable and portable medical devices
- Continuous glucose monitoring (CGM) systems
- Smart inhalers and respiratory care devices
- Vital signs and patient monitoring equipment
- Smart appliance and smart home IoT
- Wireless smart sensors
- Asset tracking tags and beacons
- Companion MCU for UWB-based localization systems
MCX W23 Ultra-Low-Power Bluetooth® LE Wireless MCU
| Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|
![]() | ![]() | MCXW235BIHNAR | MCXW23 HVQFN40 | 6000 - Immediate | $3.37 | View Details |
![]() | ![]() | MCXW235BIUKAR | MCXW23 WLCSP37 | 0 - Immediate | $3.37 | View Details |
![]() | ![]() | MCXW236AIHNAR | MCXW23 HVQFN40 | 0 - Immediate | $2.04 | View Details |
![]() | ![]() | MCXW236AIUKAR | MCXW23 WLCSP37 | 0 - Immediate | $2.04 | View Details |
![]() | ![]() | MCXW236BIHNAR | MCXW23 HVQFN40 | 6000 - Immediate | $3.80 | View Details |
![]() | ![]() | MCXW236BIUKAR | MCXW23 WLCSP37 | 0 - Immediate | $3.80 | View Details |


