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The Solar MEMS Sun Sensor on a Chip (SSoC) solution is based on MEMS fabrication processes to achieve highly integrated sensing structures for high accurate sun-tracking, positioning systems and attitude determination.

The SSOC-D60 device measures the incident angle of a sun ray in both axis. It includes a microprocessor that directly provides the sun light incident angles and their derivatives without external calculations, via a digital interface. The device includes MEMS technology with flight heritage, electronic components that are space-grade, and microprocessor included has been tested for the space environment and has flight heritage.

The high sensitivity is based on geometrical dimensions of the design. The use of a metal shield and a cover glass minimizes the ageing of the device under high radiation levels. Every sensor is calibrated and characterized.

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Last updated: 2022-06-14

SSOC-D60 - Digital Sun Sensor on a Chip



lead time
8 to 10 wk
35 g
field of view1
±60 deg
accuracy (3-sigma)
< 0.3 deg
< 0.05 deg
average consumption
70 mA
supply voltage
5 V
data interface
operating temperature
-45 to 85 C
radiation tolerance
30 kRad (gamma)
random vibration
14.1g @ 20-2000 Hz
3000 g @ 1-100 ms

1. angular size of the view cone


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