KW45B41Z53AFPBT Overview
The KW45B41Z53AFPBT is a highly integrated wireless microcontroller designed for secure and efficient Bluetooth Low Energy (BLE) and IEEE 802.15.4 connectivity. Built on a robust ARM Cortex-M4 core, it offers an optimal balance of processing power and low energy consumption, making it ideal for embedded IoT applications requiring reliable wireless communication. Featuring advanced security modules and multiple peripheral interfaces, this device supports complex networking and sensor integration while maintaining extended battery life. Engineers and sourcing specialists will appreciate its compact package and comprehensive wireless capabilities, enabling streamlined development cycles. For more technical resources, visit IC Manufacturer.
KW45B41Z53AFPBT Technical Specifications
| Parameter | Specification |
|---|---|
| Core | ARM Cortex-M4 (FPU), 48 MHz |
| Memory | 512 KB Flash, 128 KB RAM |
| Wireless Protocols | Bluetooth 5 Low Energy, IEEE 802.15.4 |
| Operating Voltage | 1.71 V to 3.6 V |
| Package | 53-pin LGA |
| Security Features | Cryptographic acceleration, AES-128, True RNG |
| Peripheral Interfaces | SPI, I2C, UART, ADC, PWM, Timers |
| Temperature Range | -40??C to 85??C |
KW45B41Z53AFPBT Key Features
- Dual Wireless Stack Support: Enables simultaneous Bluetooth Low Energy and IEEE 802.15.4 protocol operation, facilitating flexible multi-protocol connectivity in industrial IoT networks.
- ARM Cortex-M4 Core with FPU: Provides efficient processing power for complex algorithms and real-time applications, improving overall system responsiveness.
- Advanced Security Modules: Integrated cryptographic accelerators and hardware true random number generator enhance data protection and secure device authentication.
- Low Power Consumption: Designed with multiple low-power modes, extending battery life in portable and wireless sensor applications.
- Rich Peripheral Set: Includes SPI, I2C, UART, ADC, PWM, and multiple timers, supporting diverse sensor and actuator interfacing for complex embedded designs.
- Robust Operating Voltage Range: Supports wide voltage input (1.71 V to 3.6 V), ensuring compatibility with various power sources and battery types.
- Compact 53-pin LGA Package: Enables space-saving PCB layouts while maintaining accessibility to essential I/O pins for flexible design integration.
KW45B41Z53AFPBT Advantages vs Typical Alternatives
This device offers a unique combination of dual wireless protocol support and high-performance ARM Cortex-M4 processing, which many alternatives lack. Its integrated security features and low power consumption improve reliability and data integrity critical in industrial environments. Furthermore, the wide operating voltage and comprehensive peripheral set provide superior design flexibility compared to typical single-protocol microcontrollers, enabling more efficient and streamlined system integration.
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Typical Applications
- Industrial IoT wireless sensor nodes requiring secure Bluetooth and IEEE 802.15.4 connectivity with low power consumption for extended operational lifetime.
- Smart home automation devices that benefit from dual protocol support and advanced security for robust and reliable wireless communication.
- Wearable medical devices needing efficient processing, secure data handling, and compact form factor for patient monitoring.
- Asset tracking and logistics systems leveraging multi-protocol wireless features for enhanced network interoperability and real-time location monitoring.
KW45B41Z53AFPBT Brand Info
The KW45B41Z53AFPBT is part of a portfolio of wireless microcontrollers designed to meet the demanding needs of industrial and IoT applications. This product line prioritizes secure, low-power wireless communication combined with high processing capability. Its design reflects a commitment to quality and integration flexibility, ensuring developers can deploy reliable and scalable embedded solutions. The device’s brand is recognized for innovation in semiconductor technology, focusing on connectivity and security for modern embedded systems.
FAQ
What wireless protocols does this microcontroller support?
This microcontroller supports both Bluetooth 5 Low Energy and IEEE 802.15.4 wireless protocols. This dual-stack capability enables developers to implement flexible and interoperable wireless solutions suitable for a wide range of IoT and industrial applications.
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What is the core architecture and its operating frequency?
The device is built around an ARM Cortex-M4 core with a floating-point unit (FPU), running at up to 48 MHz. This provides efficient processing power for complex embedded applications requiring real-time computation and signal processing.
How does the device enhance security for wireless applications?
Security is strengthened through integrated cryptographic accelerators supporting AES-128 encryption and a true random number generator. These hardware features enable secure data encryption, authentication, and protection against common cyber threats in wireless communications.
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What are the power supply requirements for this microcontroller?
The microcontroller operates within a voltage range of 1.71 V to 3.6 V, allowing compatibility with various power sources including single-cell batteries and regulated power supplies. This range supports both low power and high-performance modes efficiently.
What peripheral interfaces are available for sensor and actuator integration?
The device includes multiple interfaces such as SPI, I2C, UART, ADC, PWM, and timers. This comprehensive peripheral set allows flexible connection to sensors, actuators, and other components, facilitating complex embedded system designs with diverse input/output requirements.




