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Casa > Notizie > Industry News > Boost-converter eval board max.....

Boost-converter eval board maximises runtime for wireless devices

  • Autore:Ella Cai
  • Rilasciare il:2018-08-01
An evaluation board from Recom, maximises runtime for small battery-powered wireless devices. The R-78S evaluation board (R-78S3.3-0.1-EVM) for Recom’s 3.3V R-78S boost converter is now available from Dengrove Electronic Components.

The evaluation board maximises runtime by generating a regulated 3.3V output as the battery discharges to as low as 0.65V. Test points measure load current and voltage to help predict the application’s runtime in active and standby modes. There is also a holder for users to insert a 1.5V AA battery, which can store more energy than the coin cells which are often used to power IoT modules. Combining the extra battery energy, runtime predictability, and the R-78’s low-voltage boost, the board can developers extend the operation of wireless sensors and other battery-powered devices.

The distributor also stocks the R-78S3.3-0.1-EVM-1/STM-1 breakout board for connecting the R-78S evaluation board to an STMicroelectronics SensorTile module which combines MEMS inertial sensors, pressure, temperature, and humidity sensors, and a digital microphone, with a Bluetooth Low Energy radio module. When connected via the breakout board, the evaluation board enables the sensors and radio to operate and stay connected for longer than if running from the original coin cell, reports the company. The distributor also stocks the R-78S3.3-0.1-EVM-1/SBL-1 board for the Arrow SensiBLE IoT wireless sensor module.

Dengrove can supply the compact, integrated R-78S boost converter for volume production. A reference design board, the R-REF02-78S, is also available as a ready-to-use example for IoT applications. The R-78S converter can also be supplied with a 1.8V or 3.6V output to power popular Bluetooth or LoRaWAN transmitters.

The R-78S3.3-0.1-EVM-1 evaluation board and sensor-module breakout boards are in stock now.