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PDF GS-D500A Data sheet ( Hoja de datos )
| Número de pieza | GS-D500A | |
| Descripción | 100V/5A STEP AND MICROSTEP DRIVE BOARD FOR STEPPER MOTORS | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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GS-D500A
100V/5A STEP AND MICROSTEP DRIVE BOARD
FOR STEPPER MOTORS
FEATURES
100V Operating Supply Voltage
5A/phase peak current
5, 25, 125 microsteps/step
Full step and half step operation
User selectable phase current
90° out of phase chopping to save power con-
sumption
Galvanic isolation
Full output protection against short-circuits
Thermal and undervoltage protection
Step clock in excess of 200kHz
Fault indication output
Special circuit to reduce midrange instability
DESCRIPTION
The GS-D500A is a member of the SGS-THOM-
SON family of stepper motor driver modules and
boards. It drives motors in full step, half step and
microstep mode.
On top of that if offers an unusua lly large number
of features that allow a complete control of the
electromechanical characteristics of the motion
system to obtain optimum performance.
The powermos output stages offer both low con-
duction and commutation losses for increased effi-
ciency; this, combined with a complete protection
scheme, results in an extremely rugged unit suit-
able for harsh environment operation.
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Vs DC Supply Voltage
Vss DC Logic Supply Voltage
lph Output Current per Bridge
li Logic Input Current
Vis
Tstg
Thop
Isolation Voltage
Storage Temperature Range
Operating Heatsink Temperature
Note: Absolute maximum ratings are limit values above which the unit can be permanently damaged
* Thermal protection intervention @ Th > 90°C
Value
110
13
6
30
500
– 20 to +85
+85
Unit
V
V
Apk
mA
V
°C
°C
June 1994
1/10
1 page  
GS-D500A
GS-D500A CONNECTORS PINS DESCRIPTION
CONNECTOR J1
J1-1
Phase A output
J1-2
Phase B output
J1-3
Phase C output
J1-4
Phase D output
J1-6
Ground
CONNECTOR J2
J2-1
Motor Supply Voltage
J2-3 Auxiliary Supply Voltage (+12V)
J2-2,4 Ground
CONNECTOR J3
Pin Function
J3-1
Step clock isolated input (see fig. 3): this
is a logic input that performs the step
function, i.e. on every transition of this
input the motor is moved one step in the
proper direction.
J3-2 Direction isolated input (see fig. 4): the
logic state applied to this pin decides the
rotation direction of the motor shaft.
J3-4
J3-5
J3-6,7
J3-8
J3-9
J3-10
J3-12
J3-13
J3-15
Microsteps/step rate remote program-
ming (SW1).
On board +5V output
Return path for on board +5V output
Disable input (see fig. 6): a logic high
level applied to this input causes the
power driver outputs to float. This condi-
tion allows the manual positioning of the
system.
Care must be used when this input is
activated because the detention torque
is lost.
Optocoupler supply voltage
Zero current control isolated input (see
fig. 5): when activated the phase current
is reduced to zero
Microsteps/step rate remote program-
ming (SW2)
Fault logic output (see fig. 9): this ouput
is at a low logic level whenever an
anomalous condition is detected.
Microsteps/step rate remote program-
ming (SW3)
Figure 3. Stepclock input circuit
Figure 4. Direction input circuit
5/10
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| PDF Descargar | [ Datasheet GS-D500A.PDF ] | |
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