KW47B42ZB7AFTBR Overview
The KW47B42ZB7AFTBR is a highly integrated, low-power microcontroller designed for wireless connectivity applications, particularly in the industrial and IoT sectors. Featuring a robust ARM Cortex-M0+ core combined with a 2.4 GHz IEEE 802.15.4-compliant radio, it delivers efficient processing and reliable communication for battery-powered devices. Its flexible memory architecture and rich peripheral set enable seamless integration into embedded systems requiring secure and scalable wireless networking. Engineers and sourcing specialists will appreciate its balance of performance, power efficiency, and compact package options, making it ideal for modern industrial automation and sensor network designs. For more information, visit IC Manufacturer.
KW47B42ZB7AFTBR Technical Specifications
| Parameter | Specification |
|---|---|
| Core | ARM Cortex-M0+ 48 MHz |
| Flash Memory | 256 KB |
| RAM | 32 KB |
| Wireless Standard | IEEE 802.15.4 (2.4 GHz) |
| Operating Voltage | 1.8 V to 3.6 V |
| Package Type | 48-pin LQFP |
| Operating Temperature Range | -40??C to +85??C |
| Power Consumption (Tx) | Up to 5.5 mA at 0 dBm output power |
| Power Consumption (Rx) | Approximately 4.8 mA |
| Security Features | Hardware AES-128 encryption |
KW47B42ZB7AFTBR Key Features
- ARM Cortex-M0+ Core: Provides efficient 32-bit processing with low power consumption, ideal for battery-operated wireless devices.
- IEEE 802.15.4 Radio: Enables reliable 2.4 GHz wireless communication, supporting mesh networking protocols such as Thread and Zigbee.
- Ample Memory Resources: 256 KB Flash and 32 KB RAM allow complex application code and data storage, supporting advanced embedded software.
- Low Power Consumption: Optimized for extended battery life with efficient transmit and receive current profiles, crucial for IoT sensor nodes.
- Integrated Security Engine: Hardware AES-128 encryption ensures data integrity and secure wireless communication, essential for industrial applications.
- Rich Peripheral Set: Includes timers, ADC, UART, SPI, and I2C interfaces for flexible sensor and actuator integration.
- Wide Operating Temperature: Supports -40??C to +85??C, suitable for harsh industrial environments.
KW47B42ZB7AFTBR Advantages vs Typical Alternatives
This device offers a superior combination of low power consumption and integrated IEEE 802.15.4 radio, providing enhanced wireless reliability and longer battery life compared to many competing microcontrollers. Its hardware-based encryption delivers robust security without sacrificing performance. The compact 48-pin LQFP package also simplifies system design and integration, making it a preferred choice over larger or less integrated alternatives.
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Typical Applications
- Industrial wireless sensor networks requiring secure, low-power communication and data processing in real-time control systems.
- Smart home devices implementing mesh networking protocols for reliable connectivity and interoperability.
- IoT endpoints such as environmental monitors and asset trackers demanding efficient power management and compact form factor.
- Building automation systems that benefit from integrated wireless communication and flexible peripheral interfaces.
KW47B42ZB7AFTBR Brand Info
This product is part of a family of wireless microcontrollers combining low power ARM Cortex-M0+ processing cores with integrated 2.4 GHz radios compliant with IEEE 802.15.4 standards. Designed by a leading semiconductor manufacturer, it targets embedded wireless applications with stringent power and security requirements. The device’s architecture and peripheral set reflect a focus on scalable connectivity solutions for industrial, commercial, and consumer markets, backed by extensive development tools and ecosystem support.
FAQ
What wireless protocols does this microcontroller support?
The device supports IEEE 802.15.4 standard at 2.4 GHz, making it compatible with widely adopted wireless protocols such as Thread and Zigbee. This ensures reliable mesh networking and low-latency communications for IoT and industrial applications.
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What are the power consumption characteristics of this microcontroller?
It features a highly efficient ARM Cortex-M0+ core with transmit current typically around 5.5 mA at 0 dBm output power and receive current near 4.8 mA. These low current values enable extended battery life in wireless sensor nodes and portable devices.
What security features are integrated into the device?
The microcontroller incorporates a hardware AES-128 encryption engine, allowing for secure data transmission and protection against unauthorized access. This hardware security accelerates cryptographic operations without impacting overall system performance.
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What temperature range can this microcontroller operate within?
It is qualified to operate over an industrial temperature range from -40??C to +85??C, making it suitable for deployment in demanding environments such as factory floors and outdoor installations.
What packaging does this device come in, and how does it affect design?
The device is offered in a 48-pin LQFP package, which balances compactness and ease of PCB layout. This package supports multiple peripheral pins and antenna connections while maintaining a manageable footprint for embedded designs.
