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L9779WD Datasheet(PDF) 82 Page - STMicroelectronics

Part # L9779WD
Description  Multifunction IC for engine management system
PDF  170 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9779WD Datasheet(HTML) 82 Page - STMicroelectronics

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DocID027452 Rev 5
Figure 50. Stepper motor driver “off” diagnosis time diagram
Figure 51. Stepper motor driver diagnosis I-V relationship diagram
Note:
this wave shows the I/V relationship of pin current and pin voltage when OUTA(OUTC) short
to OUTB(OUTD) and force the pin voltage from 0 V to VB in typical condition. For example,
when pin voltage of OUTA = OUTB = 1.5 V, the pull up/down current is about -50 µA for
OUTA and about 14 µA for OUTB. When pin voltage of OUTA = OUTB = 5 V, the pull
up/down current is about 40 µA for OUTA and about 220 µA for OUTB.



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