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GS-DC200 데이터시트(PDF) 7 Page - STMicroelectronics

부품명 GS-DC200
상세설명  STEPPER MOTOR CONTROL AND DRIVE SYSTEM FAMILY
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제조업체  STMICROELECTRONICS [STMicroelectronics]
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GS-DC200 데이터시트(HTML) 7 Page - STMicroelectronics

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USER NOTES
To correctly operate the GS-DC boards family, it is
recommended to read the following data sheets:
GS-C200/200S; GS-D200/200S; GS-C200 PROG.
Supply Voltage
The recommended operating maximum supply volt-
age must include the ripple voltage on the Vs supply
rail and it must not exceed 40V to avoid permanent
damage to the board.
The boards have internal capacitors connected be-
tween the supply and ground pins to assure the
electrical stability. These capacitors cannot handle
high values of current ripple and they would be
permanently damaged if the voltage source imped-
ance is not adequately low.
The use of a low ESR, high current ripple,
470
µF/50V capacitor located as close as possible
to the board is recommended. Suitable units are the
Sprague type 672 D or 678 D, the RIFA type PEC
126 or any equivalent unit.
Board Protections
The GS-DC200 board is protected against occa-
sional or permanent short circuits to the supply
voltage of the phase output pins.
The GS-DC200S and GS-DC200SS are protected
also against short circuits to ground or to another
phase output.
For the GS-DC200S and GS-DC 200SS the protec-
tion is of the latching type i.e. when an overload
occurs, the board is automatically disabled. To re-
start the operations, the supply voltage must be
switched off for at least 100 ms.
Motor Connection
When long wires are needed to connect a remote
motor, it is recommended to use twisted pair cables
with a proper cross section to minimize DC losses
and RFI problems.
Phase Current Programming
The maximum output current/phase can be pro-
grammed by changing the value of the Rx resistor.
The factory setting is for maximum current of
1 A
GS-DC 200
2 A
GS-DC200S / GS-DC200SS.
The new value of Rx resistor for a different value of
maximum phase current I (A) can be calculated
according to the following formulas:
GS-D200
I > 1,07
Rx
= [
10 – I
(0.993 ∗ I) –1
]k
Ω Rx ≥ 8.2KΩ
I < 1,07
Rx
= [
I
1–
(0.993 ∗ I)
]k
GS-D200S
I > 2,11
Rx
= [
10
−(0.33 ∗ I)
(0.473 ∗ I) –1
]k
Ω Rx ≥ 50KΩ
I < 2,11
Rx
= [
I
3.03–
(1,43 I)
]k
The maximum programmed current must not ex-
ceed 2.0A for the GS-DC200 and 2.5A for the
GS-DC200S/GS-DC200SS.
Thermal Characteristics
The maximum power dissipation occurs on the
GS-D200/GS-D200S modules used on the boards.
The thermal resistance case-to-ambient of the inte-
gral heatsink of these modules is 5
°C/W. This
means a 50
°C temperature increase of the heatsink
if the internal power dissipation is 10W.
The maximum allowed heatsink temperature is
85
°C. Therefore, according to the ambient tempera-
ture and/or the internal power dissipation, forced
ventilation may be required.
Programming
To correctly program motion sequences, see the
GS-C200/200S and/or GS-C200 PROG data
sheets.
7/7
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No
license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specification mentioned
in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied.
SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express
written approval of SGS-THOMSON Microelectronics.
© 1994 SGS-THOMSON Microelectronics – All Rights Reserved
SGS-THOMSON Microelectronics GROUP OF COMPANIES
Australia - Brazil - China - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands -
Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A.
GS-DC200 Family


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