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ENA1931A Datasheet(PDF) 5 Page - Sanyo Semicon Device |
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ENA1931A Datasheet(HTML) 5 Page - Sanyo Semicon Device |
5 / 23 page STK672-732B-E No. A1931-5/23 Sample Application Circuit Precautions [GND wiring] • To reduce noise on the 5V system, be sure to place the GND of C01 in the circuit given above as close as possible to Pin 2 and Pin 6 of the hybrid IC. Also, to achieve accurate current settings, be sure to connect Vref GND to the point where P.G1 and P.G2 share a connection. [Input pins] • If VDD is being applied, use care that each input pin does not apply a negative voltage less than -0.3V to P.GND, and do not apply a voltage greater than or equal to VDD voltage. • Do not wire by connecting the circuit pattern on the P.C.B side to Pin 4, 11, or 18 on the N.C. shown in the internal block diagram. • Apply 2.5V high level input to pins 13, 17, 12, 10, 14, and 15. • Since the input pins do not have built-in pull-up resistors, when the open-collector type pins 13, 17, 12, 10, 14, and 15 are used as inputs, a 1 to 20k Ω pull-up resistor (to VDD) must be used. At this time, use a device for the open collector driver that has output current specifications that pull the voltage down to less than 0.8V at Low level (less than 0.8V at Low level when IOL=5mA). [Current setting Vref] If the motor current is temporarily reduced, the circuit given below (STK672-732B-E : IOH>0.2A) is recommended. 5V R01 R02 R3 5V R01 R02 R3 Vref Vref + 9 13 17 12 10 15 14 16 19 18 6 2 7 5 1 3 VDD(5V) φA φAB φB ENABLE RESETB FAULT1 A AB B BB Vref R01 R03 R02 N.C P.G1 P.G2 VCC 24V C01 at least 100 μF 2 phase stepping motor driver 8 FAULT2 φBB P.GND STK672-732B-E |
Similar Part No. - ENA1931A |
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Similar Description - ENA1931A |
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