Stratus Pro nRF9161 Overview

nRF9161 + nPM1300

Board Layout

Conexio Stratus Pro nRF9161 V1.0 top view.

Conexio Stratus Pro nRF9161 V1.0 bottom view.

Technical specifications and features

Most of the specifications outlined below are based on Nordic's nRF9161 Product Specification.

MCU: Latest Gen Nordic nRF9161 SiP

• ARM Cortex-M33 with 1MB Flash

• 256kB RAM

• ARM® TrustZone®

• ARM® Cryptocell 310

• Up to 4x SPI, I2C, and UART with Easy DMA

• I2S w/ EasyDMA

• 4x PWM with EasyDMA

• 12bit SADC with EasyDMA

• 2x RTC

• PPI (Programmable peripheral interconnect) interface

Modem

• Transceiver and baseband

• 3GPP LTE release 14 LTE-M/NB-IoT support

• DECT NR+ ready

• GPS/GNSS receiver

• RF Transceiver for global coverage supporting bands:

• B1, B2, B3, B4, B5, B8, B12, B13, B17, B18, B19, B20, B25, B26, B28, B65 (new), B66, and B85 (new)

• Supports 4FF Nano SIM

• Pre-programmed MCUBoot bootloader

nPM1300 Power Management IC

• 800 mA battery charger

• Dual 200 mA buck DCDC regulator

• Battery fuel gauge controlled via I2C

• Battery charge status and protection

Energy harvester IC

• BQ25185 battery charger with solar input from Texas Instruments

• Charge Vin: 3V to 18V

• Dynamic Power Management

• Supports battery types Li-ion, Li-Poly, and LiFePO4 chemistries

• Integrated full battery protection

Board Operating Power Supply

• Operating range 1.8 to 5.5V

• External LiPo battery connection (2 Pin JST type)

• Maximum output current: 800mA

Stratus Output Voltages (Accessible via Headers)

• 1.8V

• 3.3V

• 5V (VUSB)

• VBAT

USB-TYPE-C

• For USB-to-Serial, DFU, and application firmware programming and debugging plus LiPo battery charging

Debugger & Programmer

• Supports J-Link and CMSIS-DAP-based programmers

• Onboard 10-pin 0.05" (1.27mm) SWD/JTAG pin connector

User I/O

• Feather compatible header

• 28 user-programmable GPIOs

• 2 x push buttons (1 x Reset, 1 x user-programmable)

• 1 x user-programmable LED

Antenna connections

• 1 x U.FL for LTE-M/NB-IoT

• 1 x U.FL for passive GPS antenna

Onboard sensors

• STMicroelectronics LIS2DH MEMS digital output motion sensor: ultra-low-power high-performance 3-axis Femto accelerometer

• Battery fuel gauge

• Temperature sensor (enabled by nPM1300)

External Storage

• 16 KBit I2C EEPROM memory (24CW160T)

External Peripheral Interface

• Stratus Pro board has a QWIIC connector to interface external shields, sensors, and much more.

Power switch

• SPDT slide switch for turning ON/OFF the power to the Stratus Pro board

SIM Compatibility

• 4FF Nano SIM card holder

• eSIM footprint to solder your own

• Software-based SIM support

Prepaid Data

• 500 MB of cellular data

• 250 SMS

• 10-year data validity

• Service available in 100+ countries (LTE + NB-IoT)

Physical Size

• 66.04 mm x 25.40 mm

Download the Full Datasheet

2MB

Stratus Pro-Product Reference Manual.pdf

pdf

Stratus Pro Reference Manual

What's included in the box

Congratulations on receiving your Conexio Stratus Pro kit. Your package includes:

Hardware

• 1 x Conexio Stratus Pro dev kit.

• 1 x 1NCE IoT SIM card

• 1 x Safety instructions card

Preloaded Firmware

Out-of-the-box, Stratus Pro kit comes with pre-loaded firmware that periodically blinks the LED.