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TEA3718SFPTR датащи(PDF) 1 Page - STMicroelectronics |
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TEA3718SFPTR датащи(HTML) 1 Page - STMicroelectronics |
1 / 26 page January 2009 Rev 2 1/26 26 TEA3718 Stepper motor driver Features ■ 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 insteps or varied continuously ■ Thermal overload protection ■ Alarm output or pre-alarm output Applications The TEA3718 is a bipolar monolithic integrated circuit intended to control and drive the current in one winding of a bipolar stepper motor. Description 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 ICs and a few external components form a complete control and drive unit for LS-TTL or microprocessor-controlled stepper motor systems. Figure 1. Block diagram TM: Multiwatt is a trademark of STMicroelectronics Table 1. Device summary Order code Package E-TEA3718SDP Power DIP E-TEA3718DP E-TEA3718SFP SO20 E-TEA3718SFPTR SO20 (tape and reel) E-TEA3718SP Multiwatt™ 15 Power DIP 12+2+2 Multiwatt™ 15 SO20 Motor winding OUT A REFERENCE COMPARATOR PULSE TIME IN0 IN1 INPUT TEA3718 SENSE OUT B ALARM PRE-ALARM RESISTOR PHASE (TEA3718SP) (TEA3718SFP) www.st.com |
Аналогичный номер детали - TEA3718SFPTR |
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Аналогичное описание - TEA3718SFPTR |
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