S-80934CLPF-G64TFG

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PMICs, or power management integrated circuits, are important components of electronic circuits that are used to manage supply voltages and often provide signal conditioning to power related functional blocks such as ADC, DAC and transceivers. They are also used to protect circuits from over-voltage and over-current conditions. PMICs come in various form factors and configurations, but one of the most common is the Supervisors.

Supervisors are used to provide the system with accurate signaling of on/off (or reset) conditions. They are typically used in emerging “smart” and “connected” electronic systems to prevent over-voltage or under-voltage conditions due to imperfect power supplies, or for short-circuit protection.

S-80934CLPF-G64TFG is an example of a PMIC supervisor from Texas Instruments. It\'s a high-accuracy, ultra-low power supervisor that integrates two differential voltage supervisors. It features integrated voltage detection and programmable options for selection of operating voltages, on-time reset and power-on reset parameters, enabling it to protect and monitor critical power rails in today’s Smart electronics.

The S-80934CLPF-G64TFG PMIC supervisor offers a wide range of applications and is suitable for a variety of power supply conditions. It can be used as a supervisor of microcontrollers, analog-to-digital converters, and other core/critical power rails in various electronic applications, as well as to protect the power supply against over-voltage, under-voltage, OV/UV lockouts, and over-current (short circuit) conditions.

The working principle of the S-80934CLPF-G64TFG supervisor is fairly simple. The device can be configured to monitor two separate, differential voltage inputs and provide active-low reset outputs if either of them exceeds the preset trip points. This is known as a dual-channel input, as it ensures that multiple power rails are tested against a single, set of trip points. The two voltage detect input channels can be separated by up to 30mV, and the threshold voltage values can be programmed using the device\'s on-chip programming registers.

The S-80934CLPF-G64TFG also has a watchdog timer that can be programmed to generate a reset output after a predetermined time interval in the event that the monitored power supply voltages do not return to their normal values. This prevents the system from locking up due to errors from the power supply.

In addition, the S-80934CLPF-G64TFG provides the “Power On Reset Delay” and “High Temperature Shutdown” features, which enable the supervisor to be used in a wide variety of applications. The Power On Reset Delay feature delays the start of the supervisor when power is applied, ensuring that any power supply glitches do not generate false reset signals. The High Temperature Shutdown feature protects the monitored power rails from any over-temperature events.

In conclusion, the S-80934CLPF-G64TFG PMIC supervisor is an excellent choice for managing and protecting various power rails in various electronic applications. Its simple yet effective working principle, coupled with its wide range of application possibilities, makes it an attractive and reliable solution for system supervisors.

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