Motion Control - ElmoMC

Robin

Miniature Analog Amplifier for Extreme Environmental Conditions

Current mode servo amplifier for trapezoidal commutation

The Robin is a series of miniature ExtrIQ current mode servo amplifiers for DC brush and brushless motors. Although highly compact, the Robin can withstand extended environmental conditions and can support up to 25 amps continuous current. This high power density servo amplifier can deliver up to 5800 W of peak power or 2900 W of continuous power in a miniature package.

The servo amplifier offers significant operating features, including excellent output linearity and zero dead band performance. The Raven is a PCB mounted device that enables efficient, cost saving implementation.

Elmo-Miniature Analog Amplifier

Feature

Units

15/60

25/60

10/100

20/100

10/200

15/200

Minimum supply voltage

VDC

10

20

40

Nominal supply voltage

VDC

50

85

170

Maximum supply voltage

VDC

59

95

195

Maximum continuous power output

W

860

1400

950

1900

1900

2900

Efficiency at Rated Power (at nominal conditions)

%

> 97

Maximum output voltage

 

Up to 100% of DC bus voltage

DC and trapezoidal commutation continuous current limit (Ic)

A

15

25

10

20

10

15

Peak current limit

A

2 x Ic

Weight

g (oz)

230 g (8.1 oz)

Dimensions

mm (in)

82 x 62 x 25.4 (3.2" x 2.4" x 1.0")

Mounting method

 

PCB mount

Product Catalog Number

Feature

Units

 Specification

PWM switching frequency

kHz

32 ± 5% default on motor

Switching method

 

Advanced Unipolar PWM

Current loop bandwidth

kHz

Up to 4

Maximum case temperature

°C (°F)

87 °C (188 °F)

Storage temperature

°C (°F)

-40° C – 100°C (-40 °F – 212 °F)

Ambient temperature

°C (°F)

Non-operating: -50 °C to +100 °C (-58 °F to 212 °F)

Operating: -40 °C to +70 °C (-40 °F to 160 °F)

Temperature shock

°C (°F)

-40 °C to +70 °C (-40 °F to 160 °F) within 3 min

Maximum humidity

%

Non-operating: up to 95% relative humidity non-condensing at 35 °C (95 °F)

Operating: up to 95% relative humidity non-condensing at 25 °C (77 °F) up to 90% relative humidity non-condensing at 42 °C (108 °F)

Maximum altitude

m (ft)

Non-operating: No limit

Operating: -400 m to 155,000 m (-1,300 ft to 510,000 ft)

Vibration

Hz

20 Hz - 2000 Hz, 14.6 g

Mechanical shock

 

Non- operating: ±40 g (1.41 oz), Half sine, 11 msec

Operating: ±20 g (.71 oz), Half sine, 11 msec