AX-SFJK-1-01-TX30 ON Semiconductor

AX-SFJK, AX-SFJK-API Ultra-Low Power, AT Command / API Controlled, Sigfox Compliant Transceiver IC for Up-Link www.onsemi.com and Down-Link OVERVIEW Circuit Description 10 GPIO pins AXSFJK and AX SFJK API are ultralow power 2 GPIO pins with selectable voltage measure single chip solutions for a node on the Sigfox network with functionality, differential (1 V or 10 V range) or both up and downlink functionality. The AXSFJK chip single ended (1 V range) with 10 bit resolution is delivered fully ready for operation and contains all the 2 GPIO pins with selectable sigma delta DAC necessary firmware to transmit and receive data from the output functionality Sigfox network in Japan (SIGFOX RCZ3a region). It 2 GPIO pins with selectable output clock connects to the customer product using a logic level RS232 3 GPIO pins selectable as SPI master interface UART. AT commands are used to send frames and configure Integrated RX/TX switching with differential radio parameters. antenna pins The AXSFJK API variant is intended for customers wishing to write their own application software based on the Power Consumption AXSFLIB1GEVK library. Ultralow Power Consumption: Charge required to send a Sigfox OOB packet at Features 13 dBm output power: 0.28 C Functionality and Ecosystem Deep Sleep mode current: 100 nA Sigfox uplink and downlink functionality controlled Sleep mode current: 1.6 A by AT commands or API Standby mode current: 0.5 mA The AXSFJK and AXSFJKAPI ICs are part of a Continuous radio RXmode at 922.2 MHz: whole development and product ecosystem available 15 mA from ON Semiconductor for any Sigfox requirement. Continuous radio TXmode at 923.2 MHz Other parts of the ecosystem include 45 mA 13 dBm Ready to go development kit DVKSFJK API 1GEVK including a 2 year High Performance Narrowband Sigfox RF Transceiver Sigfox subscription Receiver Sigfox Ready certified reference design for the Carrier frequency 922.2 MHz AXSFJK and AXSFJKAPI ICs Data rate 600 bps FSK Sensitivity General Features 126 dBm 600 bps, 922.2 MHz, GFSK QFN40 5 mm x 7 mm package 0 dBm maximum input power Supply range 1.8 V* 3.6 V Transmitter 40C to 85C Carrier frequency 923.2 MHz Temperature sensor Data rate 100 bps PSK High efficiency, high linearity integrated power Supply voltage measurements amplifier Maximum output power 13 dBm *The device is operational from 1.8 V to 3.6 V. However, a supply voltage below 2.0 V is considered an extreme condition. Applications Details see Table 4. Sigfox networks uplink and downlink. Semiconductor Components Industries, LLC, 2017 1 Publication Order Number: April, 2019 Rev. 4 AXSFJK/DAXSFJK, AXSFJKAPI BLOCK DIAGRAM AXSFEU / AXSFEUAPI CLKP CAL TCXO RF synthesis CLKN interface FILT Receive RX/TX ANTP switch and Communication ANTN antenna controller interface Transmit UARTRX UART UARTTX DAC GPIO 9:0 GPIO ADC CPU RADIO LED dedicated CPU LED status TX LED outputs RX LED Program memory (FLASH) power mode control RAM Sigfox identity (ID, PAC) Sigfox compliant application (AXSFEU only) Figure 1. Functional Block Diagram of the AXSFJK / AXSFJKAPI www.onsemi.com 2 GND VDD IO VDD ANA VTCXO RESET N