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PDF TEF3718SSP Data sheet ( Hoja de datos )

Número de pieza TEF3718SSP
Descripción STEPPER MOTOR DRIVER
Fabricantes ST Microelectronics　
Logotipo ST Microelectronics Logotipo



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No Preview Available ! TEF3718SSP Hoja de datos, Descripción, Manual

TEF3718
TEF3718S
. HALF AND FULL-STEP MODES
. BIPOLAR DRIVE OF STEPPER MOTOR FOR
MAXIMUM MOTOR PERFORMANCE
. BUILT-IN PROTECTION DIODES
. WIDE RANGE OF CURRENT CONTROL : 5 TO
1500 mA
. WIDE VOLTAGE RANGE : 10 TO 50 V
. DESIGNED FOR UNSTABILIZED MOTOR
SUPPLY VOLTAGE
. CURRENT LEVELS CAN BE SELECTED IN
STEPS OR VARIED CONTINUOUSLY
. THERMAL OVERLOAD PROTECTION
. ALARM OUTPUT (TEF3718SP) OR PRE-
ALARM OUTPUT (TEF3718SSP)
STEPPER MOTOR DRIVER
POWERDIP 12 + 2 + 2
ORDER CODE :
TEF3718DP
TEF3718SDP
DESCRIPTION
The TEF3718 and TEF3718S are bipolar monolithic
integrated circuits intended to control and drive the
current in one widing of a bipolar stepper motor. The
circuits consists of an LS-TLL - compatible logic in-
put, a current sensor, a monostable and an output
stage with built-in protection diodes. Two TEF3718
or TEF3718S and a few external components form
a complete control and drive unit for LS-TTL or mi-
croprocessor controlled stepper motor systems.
PIN CONNECTON
MULTIWATT 15
ORDER CODE :
TEF3718SP
TEF3718SSP
TEF3718
TEF3718S
TEF3718
TEF3718S
October 1991
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TEF3718SSP pdf
TEF3718-TEF3718S
Figure 1.
Figure 2.
RS = 1 Ω inductance free
RC = 470 Ω
CC = 820 pF ceramic
Rt = 56 kΩ
Ct = 820 pF ceramic
P = 500 Ω
R2 = 1 K
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