Nordic Semiconductor Asa · OSL:NOD
Nordic Semiconductor Asa — Technical Presentation (December 2020)
24 slides from Nordic Semiconductor Asa's technical presentation, December 2020
Slide 1: How to measure power consumption on the nRF9160 SiP
How to measure power consumption on the nRF9160 SiP Nordic Tech Webinar Martin Lesund / Technical Marketing Manager December 2020
Slide 2: Today’s host
© Nordic Semiconductor Today’s host Martin Lesund Technical Marketing Manager Cellular IoT
Slide 3: Practicalities
© Nordic Semiconductor Practicalities ▪ Duration: 45 min presentation, 15 min Q&A ▪ Questions are encouraged! ▪ Please type questions in the top of the right sidebar ▪ All questions are anonymous ▪ Try to keep them relevant to the topic ▪ We will answer them towards the end ▪ The chat is not anonymo
Slide 4: Agenda
© Nordic Semiconductor Agenda ▪ Introduction to nRF9160 SiP ▪ Different modes of the modem ▪ Different modes of the application processor ▪ Estimate power consumption using Online Power Profiler (OPP) ▪ Measure power consumption using Power Profiler Kit II (PPK2) ▪ How to optimize for low power ▪ Q&
Slide 5: nRF9160 SiP introduction
nRF9160 SiP introduction
Slide 6: nRF9160 – Voids Cellular Modules
© Nordic Semiconductor nRF9160 – Voids Cellular Modules ▪ Based on Nordic Dual Core SoC: ▪ Arm® Cortex® M33 MCU for the application ▪ Multiband LTE-M/NB-IoT modem with GPS ▪ Small form factor (includes PMIC, RF FEM, passives and crystals) 10mm ▪ Ultra Low Power – Avg. 18µA @ 81.92s eDRX ▪ Multiband
Slide 7: nRF9160 SiP rev 2 - available now
© Nordic Semiconductor nRF9160 SiP rev 2 - available now ▪ Improving an already best in class low power solution ▪ Significant nRF9160 power improvements introduced in REV2 ▪ No changes on pin-out nor form factor ▪ Existing REV1 designs only need to change an external cap (DEC0) from 47µF to 4.7µF D
Slide 8: nRF9160 SiP – Ultra Low Power
© Nordic Semiconductor nRF9160 SiP – Ultra Low Power Enables the lowest power for cellular IoT solutions Nordic nRF9160 vs. Module A Module B Module C nRF9160 GEN2 closest module PSM floor (retained) ~30 uA ~65uA ~55 uA 2,7 µA -91 % PSM event ‘boot’ ~1100 mJ N/A ~700 mJ 105 mJ -85 % 81.92s eDRX ~50u
Slide 9: Different Modes of the Modem
Different Modes of the Modem
Slide 10: LTE Connection Modes
© Nordic Semiconductor LTE Connection Modes RRC Connected Transfer user data High power consumption Synchronized with the network RRC Idle Listening to on the network Sleep for shorter intervals to save power (eDRX) Shorter DL latency PSM Sleep for longer intervals to save power Longer DL latency
Slide 11: RRC Connected and RRC Idle
© Nordic Semiconductor RRC Connected and RCC Idle ▪ Sleep in eDRX intervals to save power Inactivity ▪ cDRX: 0.01s to 10.24s timer ▪ iDRX: 0.16s to ~44 min ▪ We support all timers cDRX (e)iDRX ▪ Device can wake up any time RX paging interval to send data ▪ Some network can store data for the device
Slide 12: PSM
© Nordic Semiconductor PSM ▪ Sleep in PSM intervals to save power Inactivity ▪ 10 min to 413 days timer ▪ Device can wake up at any time to send data ▪ After the end of each PSM interval, the cDRX modem switch back to RRC Connected Tracking Area Update (TAU) ▪ Longer PSM intervals results in longer
Slide 13: Different Modes of the Application Processor
Different Modes of the Application Processor
Slide 14: Application Processor Modes
© Nordic Semiconductor Application Processor Modes ▪ MCU will automatically switch to IDLE mode when it has no tasks to perform ▪ It operates separately from the Modem because of our dual core implementation Description Values MCU on IDLE, Modem in PSM, RTC on 2.7µA MCU on IDLE, Modem OFF, RTC on 2.
Slide 15: Estimate Power Consumption
Estimate Power Consumption Using the Online Power Profiler (OPP)
Slide 16: First Online Power Profiler for cellular IoT
© Nordic Semiconductor First Online Power Profiler for cellular IoT Estimate and optimize your nRF9160 power consumption ▪ Configure your settings ▪ Network setup, Sleep intervals, Data payloads ▪ Visualized Power Profile ▪ Peak current and timing ▪ Average ▪ Extensive User Guide available ▪ Export
Slide 17: Measure Power Consumption
Measure Power Consumption Using the Power Profiler Kit II (PPK2)
Slide 18: Power Profiler Kit II (PPK2)
© Nordic Semiconductor Power Profiler Kit II (PPK2) ▪ Nordic Dev Tool for current measurement and analysis ▪ 200nA to 1A current range with resolution varying between 100nA and 1mA ▪ 10x faster sampling than first generation PPK ▪ Measure and analyze any embedded HW, including all Nordic DKs ▪ Suppo
Slide 19: Why do developers need this?
© Nordic Semiconductor Why do developers need this? ▪ Useful tool to track power consumption ▪ Ampere meter mode and Source mode ▪ Detailed data to estimate power consumption and battery life ▪ Spot and debug unwanted current drain during entire engineering cycle ▪ Simple and cost-efficient ($89 ret
Slide 20: Demonstration
Demonstration: Estimate Power Using OPP Demonstration: Measuring using PPK2
Slide 21: How to optimize for low power
How to optimize for low power
Slide 22: How to Optimize for Low Power
© Nordic Semiconductor How to Optimize for Low Power ▪ Get to know your network ▪ Estimate power consumption ▪ Measure power consumption ▪ Know that different protocols and cellular technology are more suitable than others based on your application ▪ Sleep as much as possible and disable peripherals
Slide 23: Q&A
Q&A
Slide 24: Register for upcoming Nordic Tech Webinars
Register for upcoming Nordic Tech Webinars www.nordicsemi.no/webinars
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