900W Power Distribution Unit
Features
Highlights
Block Diagram
Specifications
Gallery
Downloads
The 900W Power Distribution Unit converts unregulated battery voltage down to a set of regulated outputs suitable for distribution within small to medium-sized UAVs.
Three main outputs are provided, each of which may be user-configured for voltage. The avionics and servo power supplies are fully duplicated internally to maximise system reliability through redundancy. The 900W PDU has dual battery inputs with automatic lossless switchover between the two. An umbilical input ensures that batteries are not depleted during pre-flight checks prior to take-off.
Features
- Four independent power supply systems:
- Output 1: 12 – 28V
- Output 2: 6 – 28V
- Output 3: 12 – 28V
- Low-power: 5V
- Avionics, Servo and Payload outputs are user-configurable for voltage
- Avionics, Servo and low-power outputs have 100% redundancy
- (i.e. the outputs are the result of combining two identical and independent power supplies, each of which is capable of supplying 100% of rated load).
- Two battery inputs. Battery voltage may range from 24 to 60 VDC. Supported battery types include:
- LiPo: 10 – 14S
- LiS: 15 – 20S
- LiFe: 10 – 14S
- Umbilical input: 28 – 60 VDC
- RS232 and CAN monitoring interfaces provide extensive reporting of voltages, currents and internal temperature
- IP67
- Weight: 1600g
- Dimensions: example 235x195x54,5mm
Highlights
Redundant outputs
User-configurable
voltage
Extensive monitoring
Customized to your requirements
Block Diagram
Specifications in brief
Electrical
Battery inputs |
24 to 55 VDC
|
Umbilical input |
28 to 60 VDC
|
Output 1 |
12 to 28 VDC, 5 Amps continuous, 100 Watts max., redundant
|
Output 2 |
6 to 28 VDC, 25 Amps continuous, 300 Watts max., redundant
|
Output 3 |
12 to 28 VDC, 18 Amps continuous, 500 Watts max. |
Miscellaneous
Environmental protection class |
IP67
|
Operating temperature range |
–40 °C to +55 °C
|
Altitude rating |
110,000 m
|
Cooling |
Thermostatically controlled redundant fan outputs
|
Enclosure |
Lightweight custom-machined aluminium |
Connectors |
MIL-DTL-38999 |
Communications protocols |
RS232 (57600 8N1), CAN (1Mb/S, user selectable) |