S-80952CLMC-G7NT2G

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Power management integrated circuits (PMICs) are electronic devices used to manage voltage power from a single power supply, typically in high-performance operating systems. The S-80952CLMC-G7NT2G is a PMIC and supervisor for embedded processor systems. This highly integrated device offers a programmable power sequencing solution, a reset generation scheme and a watchdog timer for supervisory control, making it an ideal choice for microcontroller-based systems.

The S-80952CLMC-G7NT2G combines three core functions, a power sequencer, a reset generation circuit, and a watchdog timer into a single integrated circuit. The three functions operate independently and are controlled by three separate I/O pins.

The power sequencer is the core function of the S-80952CLMC-G7NT2G. This device enables the orderly and controlled power-up of multiple rails in a system by sequentially turning ON the appropriate power supplies and allowing them to reach steady-state conditions before turning ON the next power supply. This ensures that the input ramps of various rails are synchronized, preventing interference with the system\'s operation. The sequencer also provides feedback signals for each rail, alerting the user once each rail has reached the specified target voltage.

The reset generation circuit works in tandem with the power sequencer. This circuit detects the voltage levels on each rail and generates a system reset signal whenever one rail fails to reach its target voltage. If the reset signal is over responded, then the rail will be disabled to prevent system damage. The reset circuit also provides a status bit that can be used to indicate if a rail has failed.

The watchdog timer is the third core function of the S-80952CLMC-G7NT2G. This timer provides a way to detect and respond to the system\'s failure to meet predetermined timing requirements. The device monitors the accumulated time-out period and sets a flag when the time-out period is exceeded. This flag can be used to reset the system or disable one or more of its rails.

The S-80952CLMC-G7NT2G is a highly integrated and cost-effective solution for power sequencing, reset generation, and system supervision. This device can offer significant improvements in system performance by allowing orderly and controlled power-up of multiple power rails while also providing a reset signal in case of a rail failure. This makes the S-80952CLMC-G7NT2G a perfect choice for embedded processor systems.

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