Digital Sun Sensor (±64°)

The Redwire Digital Sun Sensor ± 64° is a two-axis digital sun sensor system.

The solution features two measurement axes and five sensors (1 to 8 sensors can also be used).

The Digital Sun Sensor ± 64° is spaceflight proven, with a rich flight heritage. Applications for the Digital Sun Sensor ± 64° include attitude determination, sun acquisition, solar array pointing, and fail-safe recovery.

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KEY SPECIFICATIONS

Parameters
Field of View

128° x 128° (each sensor)

Note: 4π steradian achieved with 5 sensors
Accuracy

± 0.25° (transition accuracy)
LSB Size

0.5°
Input Power

28 ± 7 Vdc (other ranges available)

(Typical power dissipation 0.4 W)
Output

Serial data stream consisting of:

  • 16-bits of sun angle data (8 bits per axis)
  • Sun presence
  • Head selected
Weight

Sensor
0.56 lb (0.25 kg) nominal

Electronics
0.65 lb. to 2.5 lb. (0.29 kg to 1.1 kg)
Size

Sensor
3.2” × 3.2” × 0.8” (81×81×20) mm

Electronics
Variable
Configuration
Number of Measurement Axes

2 (each sensor)
Number of Sensors

5 (typical)
1 to 8 can also be used

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