Data Sheet

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Electrical Speciﬁcations

GDC3xxx Motor Controller Datasheet 11

Power Stage Electrical Speciﬁcations (at 25ºC ambient)

TABLE 4.

Continuous Max

Current per channel Measure point Min Typ Max Units

Battery Leads Voltage Ground to VBat 0 (1) 63 Volts

Motor Leads Voltage Ground to U, V, W

wires

0 (1) 63 (2) Volts

Power Control Voltage Ground to Power

Control wire

0 (1) 65 Volts

Minimum Operating Voltage VBat or Pwr Ctrl wires 9 (3) Volts

Over Voltage protection range Ground to VBat 5 60 (4) 63 Volts

Under Voltage protection range Ground to VBat 0 5 (4) 63 Volts

Idle Current Consumption VBat or Pwr Ctrl wires 50 100 (5) 150 mA

ON Resistance (Excluding

wire resistance)

VBat to U, V or W.

Ground to U, V or W

1. 2 mOhm

Max Current for 30s Motor current 180 Amps

Continuous Max Current per chan-

nel

Motor current 120 (6) Amps

Current Limit range Motor current 10 120 (7) 180 Amps

Stall Detection Amps range Motor current 10 180 (7)

180

Amps

Stall Detection timeout range Motor current 1 500 (8)

65000

milli-

seconds

Short Circuit Detection

threshold (9)

Between Motor wires

or Between Motor

wires and round

500 (10)

Amps

Short Circuit Detection

threshold

Between Motor wires

and VBat

No Protection. Permanent damage will

result

Motor Acceleration/

Deceleration range

Motor Output

100 500 (11) 65000 milli-

seconds

Note 1: Negative voltage will cause a large surge current. Protection fuse needed if battery polarity inver-

sion is possible

Note 2: Maximum regeneration voltage in normal operation. Never inject a DC voltage from a battery or

other ﬁxed source

Note 3: Minimum voltage must be present on VBat or Power Control wire

Note 4: Factory default value. Adjustable in 0.1V increments

Note 5: Current consumption is lower when higher voltage is applied to the controller’s VBat or PwrCtrl

wires

Note 6: Estimate. Limited by case temperature. Current may be higher with better cooling

Note 7: Factory default value. Adjustable in 0.1A increments

Note 8: Factory default value. Time in ms that Stall current must be exceeded for detection

Note 9: Controller will stop until restarted in case of short circuit detection

Note 10: Approximate value

Note 11: Factory default value. Time in ms for power to go from 0 to 100%