Amun
Amun is a reliable power management unit for small satellites, designed in the PC/104 form factor for 0.5U–2U CubeSats.
Typed specifications77 values
Discloses 12 of 14 fields engineers filter by in this category (category median 7).
- Mass
- 185 g datasheet p.6
- Total output power
- 43.2 W Max combined discharge power (7.2V * 6A) · datasheet p.7 43.2 W Max. combined current per regulator (calculated from 7.2V * 6A)
- Conversion efficiency
- 73 % Solar input system · datasheet p.6 73 % solar input system (MPPT) efficiency
- Envelope (L×W×H)
- 90.2 x 95.9 x 19.7 mm datasheet p.6 90.2 x 95.9 x 19.7 mm PC104
- Outputs (as printed)
- 1x VBAT, 1x 3.3V, 1x 5V, 4x 3.3/5V conf. datasheet p.6 1x 3.3 (fixed), 1x 5 (fixed), 4x 3.3/5 (conf.), 1x VBAT power outputs, V
- Supply voltage
- 7.2 V Battery · datasheet p.6
- Power consumption
- 0 W Typ. 3.3 V self-consumption · datasheet p.8 0 W Typ. 5 V self-consumption
- Data interface
- UART datasheet p.10 CAN CSP CAN | I2C CSP I2C | CAN CSP over CAN, up to 1 Mbit/s | I2C CSP over I2C, up to 400 kHz +6
- Operating temperature
- -40–85 °C datasheet p.6
- Unit type
- integrated EPS with battery MPPT solar input, battery management and regulated DC/DC outp… · datasheet p.4
- Board format
- PC/104 datasheet p.6
- Bus and outputs type
- hybrid (regulated rails + battery bus) 6 controllable regulated channels and one battery voltage out… · datasheet p.4
- Unregulated (battery) bus voltage
- 7.2 V nom. · typ. battery pack voltage, VBAT output · datasheet p.6 8.2 V max · max. battery voltage, VBAT output
- Regulated output voltages
- 7.2 V VBAT, typical · datasheet p.6 3.3 V 1x 3.3 V fixed output | 5 V 1x 5 V fixed output | 3.3 V 4x 3.3/5 V configurable outputs | 8.2 V VBAT, max +5
- Switchable outputs
- 6 6 controllable regulated channels (all power outputs implemen… · datasheet p.4
- Solar array inputs
- 3 MPPT regulator channels; 2 inputs per MPPT regulator · datasheet p.6
- Solar input voltage window
- 5 V solar input 5 V @ 500 mA · datasheet p.6 5.5 V max · maximum input voltage per MPPT regulator
- Max solar input power
- 2.75 W 5V @ 550mA · datasheet p.6 2.5 W calculated from 5 V @ 500 mA | 3.03 W calculated max solar input power from 5.5V and 550mA | 3.03 W Calculated maximum power from 5.5V and 550mA | 3.03 W Max input power calculated from 5.5V and 550mA +2
- Solar array regulation
- MPPT datasheet p.6
- Integrated battery energy
- 24 Wh 2S1P, NCR18650B · datasheet p.6
- Connector
- SAMTEC SSQ-126-03-G-D datasheet p.10 Molex PicoBlade 51021-0600 EGSE mates with (cable) | Molex PicoBlade 53398-0671 EGSE on module | Molex PicoBlade 51021-0200 RBF and DS mates with (cable) | Molex PicoBlade 53261-0271 RBF and DS on module +2
- Flight heritage
- on 10+ missions (e.g. LASARsat, CroCube, GRBBeta and external customers) datasheet p.4
- Satellite class
- CubeSat 1U class nanosatellites · datasheet p.4
- Missions flown
- 10 10+ missions · datasheet p.4
- Max current per output
- 6 A combined per regulator · datasheet p.8 4 A Max. current draw per output | 1.5 A recommended max current draw per channel | 1.5 A recommended max per channel | 6 A max · max combined current per regulator +1
- Battery voltage range accepted
- 7.2 V Typ. battery pack voltage · datasheet p.7 7.2–8.2 V
- MPPT
- yes datasheet p.6
- Max solar input current
- 0.5 A solar input 5 V @ 500 mA · datasheet p.6 0.55 A max · maximum input current per MPPT regulator
- Integrated battery cell configuration
- 2S1P battery type NCR18650B · datasheet p.6
- Battery heater control
- yes battery heater: manual or automatic · datasheet p.7
- Inhibit / RBF inputs
- 3 RBF, DS1, DS2 deployment switches · datasheet p.10
- Housekeeping telemetry
- Uptime, Battery voltage, Current draws, Battery current in/out, Solar input V/A/P reported data over software interface · datasheet p.6
Each value is typed with its unit and measurement condition and cites the datasheet page it was taken from. Nothing is guessed: a field that is absent here has not been published by the manufacturer. machine-extracted ✓ checked by NewSpace Market ✓ manufacturer confirmed by the manufacturer.
As published by the supplier18 lines, in the manufacturer's own wording
- Operating temperature
- -40°C to +85°C
- Dimensions
- 95.9 x 90.2 x 19.7 mm (0.2U)
- Mass
- 185 g
- Power outputs
- 1x fixed 3.3 V
- Power outputs (2)
- 1x fixed 5 V
- Power outputs (3)
- 4x configurable 3.3 V or 5 V
- Power outputs (4)
- 1x VBAT
- Battery configuration
- 2S1P
- Battery capacity
- 24 Wh
- Battery voltage
- Typical 7.2 V
- Battery voltage (max)
- Max. 8.2 V
- Thermal control
- Manual or automatic
- Interfaces (CSP v1)
- 1x I2C
- Interfaces (CSP v1) (2)
- 1x RS485
- Interfaces (CSP v1) (3)
- 2x UART
- Interfaces (CSP v1) (4)
- 1x CAN
- Flight heritage
- Yes
- ITAR free
- Yes
About
Amun provides reliable power management for small satellites, ensuring stable operation across mission-critical systems. It is designed in the PC/104 form factor, making it ideal for 0.5U–2U CubeSats and easily integrates into modular satellite platforms. The unit is efficient, reliable, and ready to fly, boasting ITAR-free status and flight heritage. It offers a range of power outputs including 1x fixed 3.3 V, 1x fixed 5 V, 4x configurable 3.3 V or 5 V, and 1x VBAT. The battery configuration is 2S1P with a capacity of 24 Wh and a typical voltage of 7.2 V (max. 8.2 V). Thermal control can be manual or automatic. It supports multiple interfaces (CSP v1) including 1x I2C, 1x RS485, 2x UART, and 1x CAN.
Documentation
Need the full ICD, test reports or a specific revision? Ask the supplier directly.