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TIDA-070004
Space-grade reference design using integrated digital-output temperature sensor
TIDA-070004
Overview
This reference design illustrates the fact that several spacecraft projects provide a system health status telemetry that ground personnel monitor in real time. This reference design shows an example using a digital output temperature sensor to acquire temperature data on a sub-system using a radiation hardened MSP430FR5969-SP microcontroller (MCU). This system implements a SPI based slave that responds to a host request for temperature data using a simple register read/write protocol. The reference design includes a TMP461-SP with local temperature sensing and remote diode temperature sensing of an ADC12D1620QML-SP. The board used for this reference design is the TSW12D1620EVM-CVAL. This approach can be used as a starting point for a remote subsystem temperature and health monitor.
Features
- Local temperature sensing with ±2°C accuracy
- Remote temperature sensing with ±1.5°C accuracy
- Ultra-low power radiation hardened MCU
- I2C temperature sensor output(TMP461-SP)
- SPI-based slave interface to host
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
Design files & products
Design files
Download ready-to-use system files to speed your design process.
TIDUEM2A.PDF (3814 K)
Reference design overview and verified performance test data
TIDRZ94.PDF (165 K)
Detailed schematic diagram for design layout and components
TIDRZ95.PDF (79 K)
Complete listing of design components, reference designators, and manufacturers/part numbers
TIDRZ96.PDF (76 K)
Detailed overview of design layout for component placement
TIDRZ98.ZIP (2829 K)
Files used for 3D models or 2D drawings of IC components
TIDCFC8.ZIP (838 K)
Design file that contains information on physical board layer of design PCB
TIDRZ97.PDF (2628 K)
PCB layer plot file used for generating PCB design layout
Products
Includes TI products in the design and potential alternatives.
High-speed ADCs (≥10 MSPS)
ADC12D1620QML-SP — Radiation-hardness-assured (RHA), QMLV, 300-krad, 12-bit, dual 1.6-GSPS or single 3.2-GSPS ADC
Data sheet: PDF | HTMLMSP430 microcontrollers
MSP430FR5969-SP — Radiation Hardened Mixed-Signal Microcontroller
Data sheet: PDF | HTMLStart development
Technical documentation
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| Type | Title | Date | ||
|---|---|---|---|---|
| * | Design guide | Space-Grade Temp-Sensing Ref Design Using Integrated Digital-Output (Rev. A) | Jul. 29, 2019 |
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