Fujitsu releases small FWM7BLZ20 Bluetooth 4.2 smart module for low power consumption

Fujitsu Components has released the FWM7BLZ20-series Bluetooth 4.2 low energy module, which it describes as small, high quality, and powerful.

The series is designed for customers who need to reduce power consumption and speed up their Bluetooth applications.

After announcing the smart module’s development, Fujitsu released the full details and sample availability of the Bluetooth 4.2 module. The FWM7BLZ20 smart module is based upon the Nordic Semiconductor Bluetooth v4.2 SoC, said to be a ‘game changer’ for its power. It comes with an integrated antenna.

The Fujitsu FWM7BLZ20-series offers all the features of a complete and certified module “with strong antenna capabilities,” says the company. There is, therefore, no need to spend time and resources on certifications, and delay getting your application on the market.

The module has been designed to deal with a complexity of processes while using little power; it achieves about half of the power consumption (about 5.4mA: actual measured value) and about double the transmission distance at a receiving sensitivity of -94dBm (actual measured value) in comparison to the already very popular Bluetooth v4.1 modules Fujitsu has on the market.

The embedded nRF52832 QFN-package SoC has been designed around a 32-bit ARM Cortex™-M4F CPU with 512kB FLASH and 64kB RAM. Fujitsu accomplished to fit this powerful solution into the small size of just 15.7 x 9.8 x 1.7 mm (same size as the MBH7BLZ02-series).

Smart Module
Smart Module

Integrated are the 32MHz Crystal oscillator and the 32.768kHz Crystal oscillator required for the lowest power and great accuracy. The integration of both Crystal oscillators leaves all the 30 GPIO’s available for the development of great solutions.

NFC™-A tag support is included on chip. Out-of-Band (OOB) pairing using NFC simplifies the process of authenticated pairing between two Bluetooth devices by exchanging authentication information over an NFC link.

The new module is on-air compatible with the nRF51-series modules. And as the FWM7BLZ20 module has the same pad pattern, it is with a few minor changes pin-to-pin compatible with the MBH7BLZ02-series.

Fujitsu Components has a dedicated design team on antenna development able to match the module capabilities with proven antenna quality.

The Fujitsu FWM7BLZ20-109049 module will be FCC/IC/CE/Japan radio ACT certified when it goes into production September 2016.

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