Switchmode Driver For 3-?? Brushless DC MotorsThe UC3620 is a brushless DC Motor Driver capable of decoding and
driving all 3 windings of a 3-phase brushless DC motor. In addition, an
on-board current Comparator Oscillator and high gain Op-Amp provide
all necessary circuitry for implementing a high performance, chopped
mode servo Amplifier Full protection, including thermal shutdown,
pulse-by-pulse current limiting, and under-voltage lockout aid in the
simple implementation of reliable designs. Both conducted and radiated
EMI have been greatly reduced by limiting the output dv/dt to 150V/s
for any load condition.
The UC1620SP is characterized for operation over the full military tem-
perature range of -55C to +125C, while the UC3620SP is charac-
terized for 0C to +70C. By Texas Instruments
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