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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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E-L6219DS датащи(PDF) 1 Page - STMicroelectronics |
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E-L6219DS датащи(HTML) 1 Page - STMicroelectronics |
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1 / 16 page  March 2008 Rev 12 1/16 1 L6219 Stepper motor driver Features ■ Able to drive both windings of bipolar stepper motor ■ Output current up to 750 mA each winding ■ Wide voltage range: 10 V to 46 V ■ Half-step, full-step and microstepping mode ■ Built-in protection diodes ■ Internal PWM current control ■ Low output saturation voltage ■ Designed for unstabilized motor supply voltage ■ Internal thermal shutdown Description The L6219 is a bipolar monolithic integrated circuits intended to control and drive both winding of a bipolar stepper motor or bidirectionally control two DC motors. The L6219 with a few external components form a complete control and drive circuit for LS-TTL or microprocessor controlled stepper motor system. The power stage is a dual full bridge capable of sustaining 46V and including four diodes for current recirculation. A cross conduction protection is provided to avoid simultaneous cross conduction during switching current direction. An internal pulse-width-modulation (PWM) controls the output current to 750 mA with peak startup current up to 1 A. Wide range of current control from 750 mA (each bridge) is permitted by means of two logic inputs and an external voltage reference. A phase input to each bridge determines the load current direction. A thermal protection circuitry disables the outputs if the chip temperature exceeds safe operating limits. PDIP24 (20+2+2) SO24 (20+2+2) Table 1. Device summary Order code Package Packing E-L6219 PDIP24 Tube E-L6219DS SO24 Tube E-L6219DS013TR SO24 Tape & reel www.st.com |
Аналогичный номер детали - E-L6219DS |
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Аналогичное описание - E-L6219DS |
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