STMicroelectronics TEF3718
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 input, a current sensor, a monostable and an output stage with built-in protection diodes.| Part No. | TEF3718 |
|---|---|
| Datasheet | TEF3718 Download |
| Manufacturer |  STMicroelectronics |
| Description | STEPPER MOTOR DRIVER |
| Buy | Stock & Price |
DESCRIPTION
Two TEF3718 or TEF3718S and a few external components form a complete control and drive unit for LS-TTL or microprocessor controlled stepper motor systems. PIN CONNECTON TEF3718 MULTIWATT 15 ORDER CODE : TEF3718SP TEF3718SSP TEF3718S TEF3718 TEF3718S October 1991 1/8 TEF3718-TEF3718S BLOCK DIAGRAM (TEF3718) BLOCK DIAGRAM (TEF3718S) 2/8 TEF3718-TEF3718SABSOLUTE MAXIMUM RATINGS
Symbol VCC VMM VI Supply Voltage Input Voltage : Logic Inputs Analog Inputs Reference Input Input Current : Logic Inputs Analog Inputs Output Current Junction Temperature Operating Ambient Temperature Range Storage Temperature Range Parameter Value 7 50 6 VCC 15 mA 10 10 ± 1.5 + 150 – 40 to + 85 – 55 to 150 A C °C °C Unit V V II IO Tj Toper Tstg THERMAL CHARACTERISTICS Symbol Parameter Rth(j-c) Maximum Junction-case Thermal Resistance POWERDIP MULTIW Rth(j-a) Maximum Junction-ambient Thermal Resistance POWERDIP MULTIW Value 11 3 °C/W 45 (*) 40 Unit °C/W (*) Soldered on a 35 µm thick 20 cm2 PC board cooper area.
