PT7M6129CLTA3EX

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Integrated circuit supervisors are used in devices such as cell phones, medical electronics, avionics systems and consumer electronics, to monitor the power supply and detect faults that could cause system instability. The PT7M6129CLTA3EX is a supervisor IC that is designed to perform these functions in a single package, making it small and cost effective. The chip consists of four independent circuit supervisors, each with its own set of features and functions.

The first circuit supervisor is a System Reset Controller (SRC) which monitors the power supply voltage and provides an active-low Reset output when the voltage falls below the specified threshold. The Reset output can be used to reset other ICs in the system, such as logic and processors. The SRC also has a Time-out counter which can be programmed to extend the Reset pulse shorter than the minimum SRC pulse width.

The second circuit supervisor is a Power Fail Detect (PFD) which monitors the power supply voltage and triggers an active-low Power Gecko (PG) output when the voltage falls below the specified threshold. The PG output can be used to activate an external power fail notification circuit.

The third circuit supervisor is a High Temperature Detect (HTD) which triggers an active-low HTD output when the temperature exceeds the specified threshold. The HTD output can be used to activate an external temperature monitoring circuit.

The fourth circuit supervisor is a Timekeeper which provides a soft-start cycle timer output with a programmable pulse width. The timer output can be used to program a delay between the application of power to different circuits in a system.

In addition to the four independent circuit supervisors, the PT7M6129CLTA3EX also contains an active-low Power Good (PGOOD) output which indicates when all the voltage levels in the system have reached their desired levels. The device is available in an 8-pin package and operates within a temperature range of -40°C to 125°C.

The PT7M6129CLTA3EX is a versatile, cost-effective supervisor IC that can be used in a wide range of applications. It offers comprehensive system monitoring functions including Power Fail Detect, High Temperature Detect, System Reset controller and a programmable Soft-Start cycle timer. The device is available in an 8-pin package and offers a temperature range of -40°C to 125°C. It is ideal for monitoring and controlling the power supplies of consumer electronics, medical electronics, avionics systems and other electronic devices.

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