From toys to construction site tools OLogic accelerates robotic ideas from concept to production
OLogic extols high-density power modules to drive today’s robotic revolution
Logistic robots
These nimble robots provide inventory management and order fulfillment tasks within large warehouse environments. This robot class is typically powered from a 24V to 72V battery source with charging performed on an as-needed basis. With high efficiency and small footprints, Vicor power modules support conversion from up to 75V to usable voltages within the robot to efficiently power all of the mobility, guidance, computing, radio and lighting functions.
Power delivery network for robots using a 67V battery
The first powertrain architecture highlights the PRM power module, a high-performance buck-boost regulator. The PRM creates an intermediate bus of 24V to 48V with 96 to 98% efficiency to power servos and additional downstream power modules, including fixed ratio NBMs, ZVS buck and ZVS buck-boost regulators. All modules can also be paralleled for higher power conversion.
PRM high-power Buck-Boost regulator
Input: 36 – 75V
Output: 48V
Power: Up to 600W
32.5 x 22.0 x 6.3mm
NBM2317 fixed ratio DC-DC converter
Input: 38 – 60V
Output: 9.5 – 15V
Current: 60A
22.8 x 17.3 x 7.4mm
Input: 8 – 36V and 30 – 60V
Output: 1 – 16V
Current: Up to 22A
As small as 7 x 8 x 0.85mm
Power delivery network for robots using a 24 to 48V battery
The second powertrain architecture highlights the use of direct conversion from the battery to the point-of-load. PRM, ZVS Buck, and ZVS Buck-Boost regulators support these applications. One example is the PI3740 ZVS Buck-Boost regulator which provides more than 100W of power from a 10 x 14 x 2.5mm SiP package with peak efficiencies of up to 96%.
Input: 8 – 60V
Output: 10 – 54V
Power: Up to 150W continuous
Efficiency: Over 98%
10.5 x 14.5 x 3.05mm
Inputs: 12V (8 – 18V), 24V (8 – 42V), 48V (30 – 60V)
Output: 2.2 – 16V
Current: Up to 22A
Peak efficiency: Up to 98%
As small as 10.0 x 10.0 x 2.56mm
PRM pre- and post-transformation regulators
Input: 48V (36 – 75V)
Output: 48V (5 – 55V)
Power: Up to 600W
Efficiency: Up to 97%
As small as 22.0 x 16.5 x 6.73mm
Resources
Resources for the design engineer
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