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參數(shù)資料
| 型號(hào)： | TCA3727G |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | STEPPER MOTOR CONTROLLER, 1 A, PDSO24 |
| 封裝： | PLASTIC, DSO-24 |
| 文件頁數(shù)： | 1/29頁 |
| 文件大小： | 604K |
| 代理商： | TCA3727G |
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Type
Ordering Code
Package
TCA 3727
Q67000-A8302
P-DIP-20-6
TCA 3727 G
Q67000-A8335
P-DSO-24-3
2-Phase Stepper-Motor Driver
Bipolar IC
TCA 3727
P-DSO-24-1, -3
Data Sheet
1
Rev. 2.0, 2004-10-01
Features
2
× 0.75 amp. / 50 V outputs
Integrated driver, control logic and current control
(chopper)
Fast free-wheeling diodes
Max. supply voltage 52 V
Outputs free of crossover current
Offset-phase turn-ON of output stages
Z-diode for logic supply
Low standby-current drain
Full, half, quarter, mini step
Description
TCA 3727 is a bipolar, monolithic IC for driving bipolar
stepper motors, DC motors and other inductive loads that
operate on constant current. The control logic and power
output stages for two bipolar windings are integrated on
a single chip which permits switched current control of
motors with 0.75 A per phase at operating voltages up to
50 V.
The direction and value of current are programmed for each phase via separate control
inputs. A common oscillator generates the timing for the current control and turn-on with
phase offset of the two output stages. The two output stages in a full-bridge configuration
have integrated, fast free-wheeling diodes and are free of crossover current. The logic is
supplied either separately with 5 V or taken from the motor supply voltage by way of a
series resistor and an integrated Z-diode. The device can be driven directly by a
microprocessor with the possibility of all modes from full step through half step to mini
step.
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