Compact Electrical Power Systems (ICEPS2)
Innovative Space Logistics
The ISISPACE second generation Compact Electrical Power Systems (ICEPS2) are reliable, off-the-shelf EPS solutions for nanosatellite and CubeSat missions up to 3UXL.
Typed specifications159 values
Discloses 10 of 14 fields engineers filter by in this category (category median 7).
- Mass
- 184 g Type A · datasheet p.9 184 g Type A, typ (min 179, max 189) | 310 g Type B | 310 g Type B, typ (min 305, max 315) | 360 g Type C +1
- Envelope (L×W×H)
- 94 x 89 x 21.0 mm 4 cell battery pack, Type B and C · datasheet p.9 96 x 92 x 26.5 mm3 Type A, IU mainboard + 2 cell BP (excluding CSKB) | 96 x 92 x 26.5 mm Type A: IU mainboard + 2 cell BP, excluding CSKB | 94 x 89 x 21.0 mm3 Type B and C, 4 cell BP (excluding CSKB) | 96 x 92 x 11.3 mm3 Type B, IU mainboard (excluding CSKB) +3
- Outputs (as printed)
- 3.3V, 5V, unregulated battery voltage datasheet p.2 Battery Voltage VD0 | 4.99 V VD1, unloaded | 3.33 V VD2, unloaded | 2.8 V to 12.08 V VD3 custom output (Type C only) +5
- Supply voltage
- 3.3 V product page 5 V | 7.2 V | 14.4 V
- Power consumption
- 0.093 W Static (Idle) consumption · datasheet p.7 0.093 W static (idle) consumption, typ
- Data interface
- I2C datasheet p.9 I2C standard-mode 100 kbit/s and fast-mode 400 kbit/s, 7-bit addr…
- Operating temperature
- -40–85 °C operational temperature without battery (estimate from design… · datasheet p.7 10–45 °C With battery, charge (heaters disabled) | 0–45 °C With battery, charge up to 800 mA | 10–45 °C with battery, charge, heaters disabled | -20–60 °C With battery, discharge +2
- Design lifetime
- 12 years Storage lifetime (at relative humidity < 60 %) · datasheet p.7 6–12 years Battery holding charge -20°C to +20°C
- Unit type
- integrated EPS with battery PIU mainboard + PBP battery pack (+ PIU-DB on Type C) · datasheet p.4
- Board format
- PC/104 follows a PC104 form factor · datasheet p.2 CubeSat Kit bus volume excluding CSKB
- Bus and outputs type
- hybrid (regulated rails + battery bus) 3 output rails including regulated 3.3 V, 5 V and unregulated… · datasheet p.2
- Regulated output voltages
- 12 V custom output voltage range maximum, VD3/VD4, Type C (require… · datasheet p.8 2.8 V custom output voltage range minimum, VD3/VD4, Type C | Battery Voltage Output voltage VD0 | 3.3 V regulated | battery voltage unregulated +11
- Switchable outputs
- 3 datasheet p.2 6 possible extension | 1 Type A and B, VD0 | 4 Type C, VD0 | 1 VD0 output channels, Type A and B +9
- Solar array inputs
- 3 number of MPPT inputs, Type A and B · datasheet p.8 5 number of MPPT inputs, Type C (3+2) | 5 possible extension
- Solar input voltage window
- 15 V max · Maximum input voltage MPPT · datasheet p.8 3.5–7.5 V functional voltage range for MPPT, Type A; absolute maximum i… | 3.5–13 V functional voltage range for MPPT, Type B and C; absolute max…
- Max solar input power
- 2 W Input current per channel · datasheet p.8
- Solar array regulation
- MPPT boost regulator with true maximum power point tracking, pertu… · datasheet p.5
- Integrated battery energy
- 28.8 Wh PBP-2S1P (2 series), 7.2 V and 4 A · datasheet p.2 57.6 Wh PBP-4S1P (4 series), 14.4 V and 4 A | 28.8 Wh Type A, 2S1P | 57.6 Wh Type B or C, 4S1P
- Protections
- Battery charge and discharge protection datasheet p.2 reverse current / backflow backflow protection; output ideal diode against current backf… | battery over-charge / over-discharge battery charge and discharge protection; charge and discharge… | other battery charge/discharge protection, type not stated | over-current (LCL) charge load switch for charge current limiting; discharge loa… +17
- Survival temperature
- -50–65 °C Storage temperature · datasheet p.7 -50–65 °C storage temperature without battery | -20–50 °C With battery, up to 1 month (at relative humidity < 60 % and … | -20–20 °C With battery, up to 1 year (at relative humidity < 60 % and 3… | -20–40 °C With battery, up to 3 months (at relative humidity < 60 % and…
- Flight heritage
- Design based on heritage from ICEPS1 design flown on PEASSS CubeSat (2016) datasheet p.2 ICEPS2, second generation, flown on the Hiber 1,2 CubeSats (2018) | PBP-4S1P has deployment heritage from ISS
- Satellite class
- CubeSat 1U-3U sized platforms · datasheet p.2 CubeSat up to 3U XL CubeSat missions, 1U-3U platforms, LEO
- Missions flown
- 2 Hiber 1,2 CubeSats (2018) · datasheet p.2 1 PEASSS CubeSat (2016)
- Quasi-static load
- 10.8 g design qualification load, static, three axes · datasheet p.2
- Max current per output
- 4.35 A maximum input current PDU section, typ (min 4.01, max 4.68) · datasheet p.7 3.3 A VD0 output max current per channel on PIU-DB, typ (min 3.0, m… | 3.01 A VD0 output max current per channel on PIU, typ (min 2.75, max… | 3.01 A VD1 output max current per channel, typ | 4 A VD1, total +20
- Battery voltage range accepted
- 7.2 V nom. · PBP-2S1P battery pack, Type A · datasheet p.2 6 V min · operating voltage software limit, Type A | 12 V min · operating voltage software limit, Type B and C | 14.4 V nom. · PBP-4S1P battery pack, Type B and C
- Max battery charge current
- 1.78 A battery charge current, typ (min 1.60, max 1.96) · datasheet p.9
- MPPT
- yes hardware-based Maximum Power Point Tracking · datasheet p.2
- Max solar input current
- 2 A max · input current per channel, not enforced in hardware, hardware… · datasheet p.8
- Integrated battery cell configuration
- PBP-2S1P (2 cells in series, Type A) or PBP-4S1P (4 cells in series, Type B and C); default 18650 cells, 3.2 Ah nominal capacity per cell datasheet p.8
- Battery heater control
- yes automatic integrated battery heater and thermostat control; m… · datasheet p.2
- Inhibit / RBF inputs
- 3 option with three separation switches: high side, low side an… · datasheet p.5
- Housekeeping telemetry
- MCU independent housekeeping telemetry of battery; voltage, current and power sensing of input and output RAIL, on MPPT input and output, and per output channel datasheet p.5
- Redundancy
- other redundancy through parallel autonomous MPPT channels; possibl… · datasheet p.2
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 supplier8 lines, in the manufacturer's own wording
- Battery capacity
- 28.2 Wh
- Battery capacity (2)
- 57.6 Wh
- Supply voltage
- 3.3 V
- Supply voltage (2)
- 5 V
- Operating temperature
- -40 to +80 °C
- Battery voltage
- 7.2 V
- Battery voltage (2)
- 14.4 V
- Battery current
- 4 A
About
The ISISPACE second generation Compact Electrical Power Systems (ICEPS2) are designed to power nanosatellite missions, particularly CubeSats up to 3UXL. This off-the-shelf Electrical Power System (EPS) offers high performance and reliability. Key features include intelligent capabilities such as autonomous battery heating and hardware-based Maximum Power Point Tracking (MPPT), which together ensure optimal power delivery. The ICEPS2 is capable of managing power through a maximum of 6 voltage domains, providing flexibility and efficiency for various mission requirements.
Documentation
Need the full ICD, test reports or a specific revision? Ask the supplier directly.