KW47B42ZB7AFTBT Overview
The KW47B42ZB7AFTBT is an advanced wireless microcontroller designed for low-power, secure connectivity in industrial and consumer applications. Integrating a robust ARM Cortex-M0+ core, this device supports Bluetooth? 5.1 Low Energy (LE) and IEEE 802.15.4 protocols, ensuring versatile wireless communication. Its optimized power management and comprehensive peripheral set enable efficient operation in battery-powered and IoT devices. The embedded security features and flexible memory configuration make it ideal for connected sensor nodes, wearables, and smart home products. For detailed technical resources and support, visit IC Manufacturer.
KW47B42ZB7AFTBT Technical Specifications
| Parameter | Specification |
|---|---|
| Core | ARM Cortex-M0+ 48 MHz |
| Wireless Protocols | Bluetooth 5.1 LE, IEEE 802.15.4 |
| Flash Memory | 256 KB |
| RAM | 32 KB |
| Operating Voltage | 1.7 V to 3.6 V |
| Operating Temperature Range | -40??C to 85??C |
| Security Features | AES-128 Encryption, True RNG |
| Package | 48-pin QFN (7×7 mm) |
| Power Consumption | Down to 2.0 ??A in low-power mode |
| Peripherals | 12-bit ADC, UART, SPI, I2C, PWM |
KW47B42ZB7AFTBT Key Features
- Dual wireless protocol support: Enables seamless integration of Bluetooth 5.1 LE and IEEE 802.15.4 connectivity, allowing flexible network topologies and coexistence with other wireless standards.
- Low-power ARM Cortex-M0+ core: Operates efficiently at 48 MHz, balancing processing performance with minimal energy consumption for extended battery life in embedded systems.
- Enhanced security modules: Incorporates hardware AES-128 encryption and a true random number generator to safeguard data transmissions and prevent unauthorized access.
- Comprehensive peripheral set: Includes multiple communication interfaces such as UART, SPI, and I2C, alongside a 12-bit ADC and PWM channels, facilitating versatile sensor and actuator integration.
- Flexible memory configuration: Offers 256 KB flash and 32 KB RAM, sufficient for complex firmware and wireless stack implementations without external memory.
- Wide operating voltage and temperature range: Supports 1.7 V to 3.6 V and industrial temperature grades from -40??C to 85??C, suitable for harsh environments.
- Compact 48-pin QFN package: Enables space-efficient designs in compact devices while ensuring reliable thermal and electrical performance.
KW47B42ZB7AFTBT Advantages vs Typical Alternatives
This microcontroller offers a superior balance of wireless versatility, low power consumption, and embedded security compared to standard single-protocol devices. Its dual Bluetooth 5.1 LE and IEEE 802.15.4 support enhances integration options without compromising battery life. The inclusion of hardware encryption and RNG elevates data protection beyond typical low-power MCUs. Combined with its industrial-grade operating parameters, this device stands out as a reliable and efficient solution for connected industrial and consumer electronics.
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Typical Applications
- Wireless sensor nodes and IoT devices requiring secure, low-power Bluetooth and IEEE 802.15.4 communication for industrial automation and smart building management.
- Wearable electronics benefiting from compact size, energy efficiency, and robust wireless connectivity to mobile platforms.
- Smart home products such as lighting controls and security sensors that utilize multi-protocol wireless communications for interoperability.
- Battery-operated health monitoring devices that demand extended runtime and encrypted data transmission.
KW47B42ZB7AFTBT Brand Info
This microcontroller family is developed by a leading semiconductor manufacturer specializing in wireless connectivity solutions for embedded applications. The KW47B42ZB7AFTBT reflects the brand??s commitment to delivering highly integrated, low-power devices tailored for the evolving IoT and industrial markets. It combines proven ARM architecture with advanced radio technologies and security features, backed by comprehensive development tools and technical support.
FAQ
What wireless protocols does the KW47B42ZB7AFTBT support?
The device supports Bluetooth 5.1 Low Energy and IEEE 802.15.4 standards, enabling flexible wireless communication options for diverse applications requiring either mesh networking or point-to-point connectivity.
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What is the power consumption profile of this microcontroller?
It offers ultra-low power operation with sleep currents as low as 2.0 ??A, making it ideal for battery-powered systems that require long operational lifetimes without frequent recharging or replacement.
How does the device ensure data security?
Security is enforced through hardware-based AES-128 encryption and a true random number generator, protecting wireless communications against interception and unauthorized access.
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What are the memory capacities available on this device?
The microcontroller integrates 256 KB of flash memory and 32 KB of RAM, supporting complex firmware and wireless protocol stacks without the need for external memory components.
In what package is the KW47B42ZB7AFTBT offered?
It is available in a 48-pin Quad Flat No-lead (QFN) package measuring 7 by 7 millimeters, providing a compact footprint suitable for space-constrained embedded designs.
