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TEA3718SFP
TEA3718 TEA3718S ® STEPPER MOTOR DRIVER HALF-STEP AND FULL-STEP MODE 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 OR PRE-ALARM OUTPUT (see internal table) Powerdip 12 + 2 + 2 SO-20 ORDERING NUMBERS : TEA3718SDP TEA3718DP ORDERING NUMBER : TEA3718SFP MULTIWATT-15 DESCRIPTION The TEA3718 and TEA3718S are bipolar monolithic integrated circuits intended to control and drive the current in one winding of a bipolar stepper motor. The circuits consist of an LS-TTL compatible logic input, a current sensor, a monostable and an output stage with built-in protection diodes. Two TEA3718 or TEA3718S and a few external components form a complete control and drive unit for LS-TTL or microprocessor-controlled stepper motor systems. ORDERING NUMBER : TEA3718SP PIN CONNECTIONS (top views) TEA3718SP (Multiwatt-15) July 2003 TEA3718SFP (SO-20) TEA3718DP TEA3718SDP (Powerdip 12+2+2) 1/16
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