Smart power for certified Bluetooth 4.2 module

Smart power for certified Bluetooth 4.2 module

New Products |
By Nick Flaherty

Designed to help product innovators streamline the prototyping and development of connected smart objects, the 11.5×13.5mm SPBTLE-1S BLE module integrates ST’s proven BlueNRG-1 application-processor SoC and balun, high-frequency oscillators, and a chip antenna. 

The module comes with a wide supply-voltage range of 1.7V-3.6V, making it suitable for small, battery-operated objects powered by various types of sources such as a primary button cell or rechargeable Li-ion battery. The BlueNRG-1 SoC at the heart of the module also implements smart power management, with a DC-DC converter capable of powering the SPBTLE-1S module to ensure optimum energy efficiency

Developers can use this module to bypass hardware-design and RF-circuit layout challenges. The SPBTLE-1S is BQE-approved, and FCC, IC, and CE-RED (Radio Equipment Directive) certified to simplify end-product approval for North America and EU markets. ST’s Bluetooth 4.2 certified BLE protocol stack is included, and the supporting Software-Development Kit (SDK) contains a wide range of Bluetooth profiles and sample application code. 

High RF output power of +5dBm and good receiver sensitivity help to maximize communication range and reliability. 

The Soc implements the complete BLE physical layer (PHY), link layer, and network/application-processing engine comprising a low-power ARM Cortex-M0 core with 160KB Flash, 24KB RAM with data retention, and a security co-processor. . Users can leverage an extensive set of interfaces, including a UART, two I²C ports, SPI port, single-wire debug, and 14 GPIOs, as well as peripherals including two multifunction timers, a 10-bit ADC, watchdog timer and real-time clock, a DMA controller, and a PDM stream processor interface, which is ideal for developing voice-controlled applications.

STMicroelectronics –

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