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L9678P 数据表(PDF) 154 Page - STMicroelectronics

部件名 L9678P
功能描述  Automotive user configurable airbag IC
PDF  203 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L9678P 数据表(HTML) 154 Page - STMicroelectronics

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General purpose output (GPO) drivers
L9678P, L9678P-S
154/203
DocID029274 Rev 3
11
General purpose output (GPO) drivers
The L9678P contains two GPO drivers configurable either as high-side or low-side modes,
controlled in ON-OFF mode or in PWM mode setting the desired duty cycle value through
the GPO Control Register (GPOCTRLx).
For low side driver configuration, the GPODx pin is the equivalent drain connection of the
internal MOSFET and it is the current sink for the output driver. The GPOSx pin is the
source connection of the GPO driver and is externally connected to ground.
Figure 54. GPO driver block diagram - LS configuration
For high side driver configuration, the GPODx pin will be connected to battery and GPOSx
pin will be connected to the load high side.



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