TDK’s miniature Bluetooth module is available from Mouser Electronics

Distributor Mouser Electronics now stocks TDK’s SESUB-PAN-D14580 Bluetooth v4.1 module. This compact, Low Energy (LE) micro module is the world’s smallest module for Bluetooth Smart devices, says the company. The 3.5 × 3.5 × 1mm module is based on the company’s proprietary Semiconductor Embedded in Substrate (SESUB) technology, which is claimed to result in a reduction of 60% in size, compared to modules using discrete components. The single-mode module’s footprint and low current consumption make it ideal for battery-powered wearable devices where small size, light weight, and low power consumption are essential, points out the distributor.
The module integrates a Dialog Semiconductor DA14580 Bluetooth 4.1 chip, 32bit ARM Cortex-M0 microcontroller, and DC/DC converter onto a thin substrate, along with all peripheral circuitry including a 16MHz crystal, inductor, and capacitor. All I/O from the substrate layers are routed to a BGA footprint on the module’s bottom surface. Interfaces include UART, SPI, and I2C, to implement connectivity.
The low-power module requires a voltage supply of 3.0V, and consumes only 5.0mA when transmitting, 5.4mA when receiving, and 0.8µA in standby mode. Output power is rated at 0dBm (typical), with a communication range of 10m, depending on line of sight and antenna characteristics.

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