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參數(shù)資料
| 型號： | GS-D200 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 2/2.5A Bipolar Stepper Motor Driver Modules(2/2.5A雙極型步進(jìn)電機(jī)驅(qū)動器模塊) |
| 中文描述： | 2/2.5A雙極步進(jìn)電機(jī)驅(qū)動器模塊（2/2.5A雙極型步進(jìn)電機(jī)驅(qū)動器模塊） |
| 文件頁數(shù)： | 9/17頁 |
| 文件大?。?/td> | 183K |
| 代理商： | GS-D200 |
9/17
Figure 10: Two-Phase-on (NormalMode) Drive
Figure 11: One-Phase-on (Wave Mode) Drive
RESET, ENABLE AND HOME SIGNALS
The RESET is an asynchronous reset input which
restores the module to the home position (state1 :
ABCD = 0101). Reset is active when low.
The HOME output signals this condition and it is
intendedto be ANDed with the output ofa mechani-
cal home position sensor.
The ENABLE input is used to start up the module
after the system initialization. ENABLE is active
when high or unconnected.
MOTOR CURRENT REGULATION
The two bipolar winding currents are controlled by
two internal choppers in a PWM mode to obtain
good speed and torque characteristics.
An internal oscillator suppliespulses at the chopper
frequency to both choppers.
When the outputs areenabled, the currentthrough
the windings raises until a peak value set by I
oset
and R
sense
(see the equivalent block diagram) is
reached. At this moment the outputs are disabled
andthecurrent decaysuntilthenextoscillatorpulse
arrives.
The decay time of the current can be selected by
theCONTROLinput (pin10). Ifthe CONTROLinput
is kept highor openthe decay is slow, as shown in
fig. 12, where the equivalent power stage of GS-
D200, the voltages on A and B are shown as well
as the current waveform on winding AB.
When the CONTROLinput is forcedlow, the decay
is fastas shown in fig. 13.
The CONTROLinput is provided on GS-D200 and
GS-D200S to allow maximum flexibility in applica-
tion.
If the modules must drive a large motor that does
not store much energy inthe windings, the chopper
frequency must be decreased: this is easily ob-
tainedbyconnecting an externalcapacitorbetween
OSC pin and GND1.
In these conditions a fastdecay (CONTROL LOW)
would impose a low average currentand thetorque
could be inadequate. By selecting CONTROL
HIGH, the average current is increased thanks to
the slow decay.
When the GS-D200S is used in the fast-decay
mode it is recommended to connect external fast
recovery, low drop diodes between each phase
output and the supply return (GND). The slow-de-
cay should be the preferredoperating recirculation
mode because of the lower power dissipation and
low noise operations.
GS-D200/GS-D200S
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| GS-D200S | 2/2.5A Bipolar Stepper Motor Driver Modules(2/2.5A雙極型步進(jìn)電機(jī)驅(qū)動器模塊) |
| GS-D500A | 100V/5A STEP AND MICROSTEP DRIVE BOARD FOR STEPPER MOTORS |
| GS-DC200 | STEPPER MOTOR CONTROL AND DRIVE SYSTEM FAMILY |
| GS-DC200S | STEPPER MOTOR CONTROL AND DRIVE SYSTEM FAMILY |
| GS-DC200SS | STEPPER MOTOR CONTROL AND DRIVE SYSTEM FAMILY |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| GSD2004A-G3-18 | 制造商:Vishay Siliconix 功能描述:GSD2004A-G3-18 - Bulk 制造商:Vishay Siliconix 功能描述:GSD2004A-G3-18 - Cut TR (SOS) 制造商:Vishay Intertechnologies 功能描述:SWITCHING DIODE GENPURP SOT23 |
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