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General Hardware Specifications

Mass 11g
Dimensions 28mm x 28mm x 12.5mm
Analog input 1 x single ended (0 - 3.3V). Solder-able connection on power board
Encoder input Onboard encoder, no external encoder supported
Position resolution 14bits (16384 counts / rev)
Temperature sensing 1 temperature sensor on power board
Safety protections Over/under-temperature
Loss of host
Position sense fault
Configurable fault on analog input
Supports JCS processes Yes
Supports JCS device rate Yes
JCS device rate frequency 15kHz

Electrical Specifications

DC bus maximum voltage +48V continuous, +52V peak (100mS), E-Stop at +60V
DC bus minimum voltage +20V continuous, E-Stop at +18V
DC bus capacitance 30uF
Phase current sensing 2 phases measured, in-line shunt based, 3rd phase computed from measured quantities
Maximum phase current 5A continuous, 8A peak (thermally limited)
Active current limiting based on device temperature
Phase voltage sensing All 3 phases
PWM frequency 30kHz
Current control loop frequency 30kHz


The device uses 100V rated ceramic capacitors. Note that DC bias effects will be present and the effective bus capacitance will go down as the bus voltage goes up. Add external capacitance close to the device power inputs if the application demands it.