MediaTek

MT5931A/B

  • The MTK MT5931A/B is a highly integrated Bluetooth Low Energy (BLE) System-on-Chip (SoC), designed specifically for wireless communication in low-power applications. This chip is targeted at the growing Internet of Things (IoT) and wearable device markets, where energy efficiency and compact design are critical. It also supports Bluetooth 4.2 and Bluetooth 5.0, making it versatile for a wide range of connected applications. The MT5931A/B supports Bluetooth 4.2 and Bluetooth 5.0, allowing for extended range, faster data transfer, and energy-efficient communication in a variety of IoT and consumer electronics applications.This SoC combines the Bluetooth radio, baseband processor, and protocol stack into a single chip, simplifying design and reducing system complexity.

Product description

The MTK MT5931A/B is a Bluetooth Low Energy (BLE) SoC designed to provide both high performance and low power consumption, ideal for a wide range of IoT and Bluetooth-enabled devices. Whether used in smart home devices, health monitoring systems, or wearables, the MT5931A/B enables wireless connectivity with minimal energy use, ensuring extended battery life and efficient operation in a compact form factor.

With support for Bluetooth 4.2 and Bluetooth 5.0, the MT5931A/B offers advanced features such as an extended communication range, improved data throughput, and reduced latency. Bluetooth 5.0’s enhanced range capabilities allow devices to maintain connectivity even when located farther apart, which is particularly useful in IoT networks where devices may be distributed across large areas.

The chip's integration of the radio, baseband processor, and Bluetooth protocol stack into a single SoC significantly reduces system complexity. By minimizing the need for external components, designers can create more compact and cost-effective devices. The result is a simpler design and shorter time to market for manufacturers of Bluetooth-enabled products.

Power efficiency is a critical feature of the MT5931A/B. The chip is designed to consume as little power as possible, making it well-suited for battery-powered devices that need to operate for long periods without frequent charging. 

Security is another key feature of the MT5931A/B, which supports advanced encryption standards, including AES, to protect data transmitted over the Bluetooth network. This is particularly important for applications that require secure communication, such as in medical devices, financial transactions, and personal data sharing.

The MT5931A/B supports a variety of peripheral interfaces such as SPI, I2C, UART, and GPIO, enabling it to easily interface with sensors, displays, and processors. These interfaces allow for flexible and seamless integration into a wide range of system architectures, making it a versatile choice for developers building connected devices.


Specification parameters

  • Bluetooth Versions Supported: Bluetooth 4.2 and Bluetooth 5.0, ensuring compatibility with a wide range of devices and networks.

  • Frequency Range: Operates in the 2.4 GHz ISM band, which is standard for Bluetooth communication.

  • Data Rate: Supports a maximum data rate of 1 Mbps, which is typical for Bluetooth Low Energy (BLE) applications.

  • Receiver Sensitivity: -92 dBm, enabling reliable reception of signals even in challenging environments or locations with weak signals.

  • Transmit Power: Configurable transmit power ranging from +4 dBm to -20 dBm, allowing for power optimization and efficient communication over a range of distances.

  • Power Consumption: Ultra-low power consumption with standby current of less than 1 µA and typical active current consumption of less than 10 mA, extending battery life for portable devices.

  • Operating Voltage: 1.8V to 3.6V, providing flexibility for various power supply designs.

  • Operating Temperature Range: -40°C to +85°C, making it suitable for a variety of applications in both consumer and industrial environments.

  • Interfaces: Supports SPI, I2C, UART, and GPIO for easy integration with external components and sensors.


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