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Stepper Motor Driver
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Related Products
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Features
- 1 To 7 Amps Phase Current
- +24 VDC to +80 VDC Power Supply
- Selectable 2, 4, 5, 8, 10, 16, 25, 32, 50, 64, 125, 128, 250, 256 Micro-steps per Step Resolution
- Size 8 to 42 Motors
- Auto Current Reduction
- 2 MHz Max Step Rate
- Opto-isolated Step And Direction Inputs
- 20W Dissipation at 7A per Phase
- 20KHz Master Oscillator PWM
- 0C To 70C Operating Temperature
- LED Power Indicator
- Small Size: 2.5" (63 mm) X 2.5" (63 mm) X (21 mm)
- Light: 3.6 Oz (100 gm)
- Anodized Aluminum Package
- Modular 2-Piece Main Connector
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The STPMDRV-807 is a high performance, cost effective stepper motor driver to
implement intelligent stepper motor control . The driver incorporates an advanced
architecture and surface mount technology to achieve an exceptional power
density.
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ELECTRICAL
SPECIFICATIONS |
Supply Voltage
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+24 to +80 VDC
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Phase Current
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1
to 7 Amps
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Auto Current Reduction
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33% of Set Current, 1 Second
After Last Step Pulse
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Power Dissipation
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1 to
18 W (1 to 7 Amps) |
Step Frequency
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0 to 2
MHz
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Step Pulse “0” Time
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0.5 US min (Step on Falling
Edge)
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Step Pulse “1” Time
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4 US min
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Direction Setup |
1 US
min (20 US Min Hold Time After Step Edge) |
MECHANICAL
SPECIFICATIONS |
Weight |
3.6 oz. (100 gm) |
Dimensions |
2.5”W, 2.5”D, .85”H (63.5
mm, 63.5 mm, 21.5 mm) |
Mounting Pattern |
Four 6-32 Screws, 0.15" Diameter (3.8 mm), 1.75” X 2.375” (44.5 mm, 60 mm) |
ENVIRONMENT
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Heat Sink Temperature |
0 oC to 70 oC |
Ambient Temperature
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0 oC to 50 oC
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Storage Temperature
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-40 oC to 125 oC
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Humidity
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0 - 95% with no condensation
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Current Setting Resistor Nearest 1% Value
R=47.3*I/(7-I)
Desired Motor Current Resistor Value (1%)
1.0 Amp 7.87K
1.5 Amp 13.0K
2.0 Amp 19.1K
2.5 Amp 26.1K
3.0 Amp 35.7K
3.5 Amp 47.5K
4.0 Amp 63.4K
4.5 Amp 84.5K
5.0 Amp 118K
5.5 Amp 174K
6.0 Amp 287K
6.5 Amp 619K
7.0 Amp Open
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Ordering Information
Motion Control Components
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