HARDWARE / PRODUCTAdded 13 Jul 2026

E14-150 14V SmallSat Electric Power System

ibeos

150W radiation-tolerant 14V SmallSat EPS with peak-power tracking, 96% solar array efficiency, 3.3V/5V/12V regulated buses, 10x switched outputs, I2C/SPI telemetry, 30 kRad TID, TRL 9.

Typed specifications54 values

Discloses 11 of 14 fields engineers filter by in this category (category median 7).

Mass
140 g
datasheet p.1
Total output power
150 W
maximum input · datasheet p.1 150 W max
Conversion efficiency
96 %
S/A conversion efficiency, typical at >50% load · datasheet p.1 95 % 12V output conversion efficiency  |  92 % 3.3V output conversion efficiency  |  93 % 5V output conversion efficiency
Envelope (L×W×H)
96 x 90 x 14.5 mm
datasheet p.1
Outputs (as printed)
5.0-Volt regulated bus (6 A); 3.3-Volt regulated bus (3A); 12.0-Volt regulated bus (4A); Unregulated battery bus (10 A); 10x switched outputs
datasheet p.1 3.3-Volt regulated bus (3A)  |  12.0-Volt regulated bus (4A)  |  Unregulated battery bus (10 A)  |  10x switched outputs
Supply voltage
16.8 V
product page 18 V min · input power  |  42 V max · input power
Power consumption
1.8 W
Typical Quiescent Power Consumption · datasheet p.1 1.8 W typical quiescent, all converters enabled, no external loads
Data interface
I2C
I2C @ 400 kbps · datasheet p.1 SPI SPI @ 1 Mbps  |  I2C
Operating temperature
-40 °C
min · datasheet p.1 105 °C max
Radiation tolerance (TID)
30 krad
Si · datasheet p.1
TRL
9
product page
Unit type
EPS without battery
EPS card with battery charger, battery not integrated · datasheet p.1
Board format
1U board 90x96 mm
datasheet p.2
Bus and outputs type
hybrid (regulated rails + battery bus)
regulated 3.3 V, 5 V, 12 V plus unregulated 14 V battery bus · datasheet p.1
Unregulated (battery) bus voltage
14 V
unregulated 14V battery bus · datasheet p.1 14 V unregulated battery
Regulated output voltages
5 V
regulated bus · datasheet p.1 3.3 V regulated bus  |  12 V regulated bus
Switchable outputs
10
10x switched outputs, 10 mOhm typical resistance · datasheet p.1
Solar input voltage window
18–42 V
maximum input power range · datasheet p.1
Max solar input power
150 W
max · >150-Watt maximum input power (18-42 V) · datasheet p.1
Solar array regulation
PPT (peak power tracking)
solar array peak power tracking · datasheet p.1
Protections
battery over-charge / over-discharge
datasheet p.1 over-voltage battery under/over-voltage protection  |  over-current (LCL) output latching current limiters; battery over-current  |  watchdog programmable spacecraft watchdog timer  |  over-current (LCL)  +4
Satellite class
smallsat 100-500 kg
SmallSat Electric Power System · datasheet p.1
Max current per output
4 A
12.0-Volt regulated bus · datasheet p.1 3 A 3.3-Volt regulated bus  |  6 A 5.0-Volt regulated bus  |  10 A unregulated battery bus
Battery voltage range accepted
16.8 V
max · maximum charge voltage · datasheet p.1
Max battery charge current
7 A
max · maximum charge current · datasheet p.1
MPPT
yes
datasheet p.1

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 supplier16 lines, in the manufacturer's own wording
Max solar array input
>150W (18–42V input)
S/a conversion efficiency
96%
3.3v output
3 A (92% efficiency)
5v output
6 A (93% efficiency)
12v output
4 A (95% efficiency)
Unregulated 14v bus
10 A
Max charge voltage
16.8 V
Max charge current
7 A
Switched outputs
10x (10 mOhm typical)
Interfaces
I2C @ 400 kbps; SPI @ 1 Mbps
Quiescent power
1.8 W
Dimensions
96 x 90 x 14.5 mm
Mass
140 g
Operating temperature
-40 to +105 deg C
TID
30 kRad(Si)
TRL
9

About

The Ibeos E14-150 is a 150W SmallSat Electric Power System providing radiation-tolerant peak-power tracking solar array power conversion for 14V battery systems. Delivers regulated 3.3V (3A), 5V (6A), and 12V (4A) buses plus an unregulated 14V battery bus at 10A. Includes 10 switched power outputs with 10 mΩ typical on-resistance. Commands and telemetry via I2C at 400 kbps and SPI at 1 Mbps. Protection includes OVP, UVP, OCP, and a configurable watchdog timer with two-fault tolerant separation inhibits. Solar array conversion efficiency is 96%; regulator efficiencies are 93–95%. Operates from -40 to +105 deg C.

Documentation

Need the full ICD, test reports or a specific revision? Ask the supplier directly.

Source: www.ibeos.com ↗

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