The use of EEE parts in Space missions involves several considerations that are not usual or critical in other industrial fields. Some typical examples of this are outgassing and radiation characteristics. However, another critical aspect that is not always considered is physical space. In Space applications
IQD Frequency Products, a subsidiary of the Würth Elektronik eiSos Group, has launched a new tight stability and variable supply voltage crystal clock oscillator which operates with a supply voltage range from 1.6 V to 3.63 V.
Schaffner, the international leader in the fields of electromagnetic compatibility and power quality introduce announce the release of a complete range of their popular FN3280H 4-Line filter series featuring higher insulation resistances.
Commercial parts will have TID ranges between 3-30 krad(Si)and SEL and SEU ranges between 1-120 MeV. Of course, commercial parts are not designed with radiation performance in mind. Nevertheless, a few commercial ICs have in fact exhibited acceptable radiation hardened characteristics.
Each method has its pros and cons. Which method or combination of methods is best will be hotly debated in the years to come? The case study outlined here demonstrates the significant cost savings that can be realized when answering the question, “How rad hard do I need?” and when considering the use of commercially based parts.
Traditional radiation-hardened or “rad-hard” parts are generally considered to be capable of withstanding the most severe space environments. In fact, these devices are designed and fabricated with the specific goal of enduring the harshest space radiation environments.
EEPROM devices are especially critical in the design since they are used to upload the instruction to the microprocessors and other configurable devices (boot code of these parts); this is, as configuration memories. Also, they are used to store debugging information, which is key to depurate errors in configurable devices. Any modification of its content because of a bit error (1 to 0 or 0 to 1) due to radiation causes could lead to major consequences.
In this press release, Microchip announced its LX7720 radiation-hardened mixed signal motor controller, the latest addition to its Space System Manager (SSM) product family. As the industry’s first highly integrated radiation-hardened by design (RHBD) motor control integrated circuit (IC), the LX7720 significantly reduces weight and board space relative to conventional discrete motor control circuits.
Microchip’s High-Performance FPGA is First of its Kind to Achieve QML Class V in Ceramic Quad Flat Package
RTG4™ FPGAs offer a unique combination of radiation hardening by design, qualification to QML Class V and packaging that simplifies board design, inspection and assembly