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Miniature Analog Servo Amplifier for DC brush and trapezoidal brushless motors
Ultra-light current mode Analog servo amplifier for trapezoidal commutation
The Castanet is a series of ultra-light current mode servo amplifiers for
DC brush and trapezoidal brushless motors. Weighing only .76 oz (21.5 g), the Castanet can support up
to 3.3 amps. This high power density servo amplifier can deliver up to 480W of peak power or 240W of continuous power.
The servo amplifier offers significant operating features including excellent output linearity and
zero dead band performance. The Castanet is a PCB mounted device which enables efficient and cost
saving implementation.
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Feature |
Units |
3/60 |
2.5/100 |
Minimum
Supply Voltage |
VDC |
11 |
20 |
Nominal
Supply Voltage |
VDC |
50 |
85 |
Maximum
Supply Voltage |
VDC |
59 |
95 |
Maximum continuous power output |
W |
190 |
240 |
Efficiency at Rated Power |
% |
Up to 99% |
Maximum output voltage |
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93% of DC bus voltage at f=32 kHz |
DC and trapezoidal commutation continuous current limit (Ic) |
A |
3.3 |
2.5 |
Peak current limit |
A |
2 x Ic |
Weight |
g (oz) |
21.5 g (0.76 oz) |
Dimensions |
mm (in) |
51 x 12.5 x 42 (2" x .49" x 1.65") |
Mounting method |
PCB mount (with 2 mm pitch, 0.51 mm sq. pins) |
| Product
Catalog Number |
Feedbacks Supported
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Feature |
Unit |
Specification |
| PWM Switching Frequency |
KHz |
32 +/-5% default on the motor |
| Switching Method |
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Advanced Unipolar PWM |
| Servo Modes |
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Current |
| Commands |
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+/- 10 VDC |
| Feedbacks |
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Digital Halls |
| Current
loop bandwidth |
KHz |
Up to 4 |
| Output voltage |
% VIN |
93% |
| Ambient temperature |
°C (°F) |
0° ~ 50°C (32° ~ 122°F)
models for extended environmental conditions are available |
| Maximum case temperature |
°C (°F) |
87°C (188°F) |
| Storage temperature |
°C (°F) |
-40° ~ 100°C (-40° ~ 212°F) |
| Maximum humidity |
% |
90% non-condensing |
| Maximum operating altitude |
m (ft) |
up to 10,000 (30,000) |
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An evaluation board that uses standard terminal plugs and
D-sub connectors is available. It is accompanied by documentation that describes how to set up the board,
and by a complete set of cables.
For more information click here
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| Downloads:
Standards
Castanet Documentation
Application Notes
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