Low power SiP enhances power-saving functions

13th September 2021
Mick Elliott

The compact, highly integrated, low power SiP nRF9160 from Nordic Semiconductor is available at www.rutronik24.com.

It enables the straightforward implementation of low-power LTE technology and offers advanced processing and security functions for a variety of single-device with low-power designs for the cellular IoT.

With this release, Nordic says its already efficient system-in-package becomes up to 91 % more power efficient than comparable modules on the market.

All power-saving functions, such as eDRX and PSM, receive significant improvements with the new generation, without requiring changes to the pin assignment or form factor.

The Arm Cortex-M33 application processor is supported by 1 MB of flash and 256 KB of RAM, enabling advanced application development in a single device solution.

It also includes a full LTE modem and RF Front End (RFFE).  

The integrated modem supports both LTE-M and NB-IoT and can operate globally, eliminating the need for regional variants.

Thanks to different connection modes, it is possible to optimise energy consumption individually and according to requirements:

• RRC Connected: The existing permanent network connection and constant data exchange require a higher energy input.

• RRC Idle: Here the unit “sleeps” shorter intervals to save energy, but is ready on demand. The download latency is shorter than the following mode.

• PSM: The latency of downloads here is significantly longer and the unit is in sleep mode for a longer period.  

Comprehensive protection is provided by the included Arm TrustZone, which also offers support in building solid and secure IoT applications.

Arm CryptoCell complements the security package, which - optimised for low-power devices - provides even more protection through cryptographic and security resources.  

Further key features are:

• Integrated GPS transmitter with different operating modes.

• IPv4/Pv6 support, up to TCP and TLS

• SIM and eSIM possible for connection and authentication with mobile network operators

• Secure, encrypted Firmware Over The Air (FOTA) updates

• Wide range of common interfaces and peripherals: 12-bit ADC, RTC, SPI, I²C, I²S, UARTE, PDM and PWM

• Certification for LTE bands B1, B2, B3, B4, B5, B8, B12, B13, B14, B17, B18, B19, B20, B25, B26, B28 and B66

• Specially developed DevKit to optimise time-to-market

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