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27.L99PD08 smart multiplexer extending high-side drivers for SPI

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L99PD08 smart multiplexer extending high-side drivers for SPI
L99PD08 smart multiplexer
extending high-side drivers for SPI




September 2009




www.st.com/automotive
The number of output channels managed by junction boxes is rapidly increasing. Controlling all these loads, including
PWM and synchronous diagnosis, requires powerful microcontrollers, bulky software and many I/Os.
STMicroelectronics offers a multiplexer interface between the microcontroller and high-side drivers, the L99PD08, which
controls and monitors eight driver channels via the SPI. The circuit also provides phase shifted PWM and synchronous
diagnosis, and removes a heavy software load from the microcontroller. Limp-home functions are also embedded,
making system fail-safe management easy. The circuit is optimized to……
标签:ST汽车电子
27.L99PD08 smart multiplexer extending high-side drivers for SPI
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