PT7M6129NLEC3EX

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PMIC - Supervisors are devices that monitor power supply voltages and thermals. PT7M6129NLEC3EX is a high precision Supervisors with open drain power good. This device is targeted at micro-processor/micro-controllers and other applications where in-system voltage and thermal supervision is required. PT7M6129NLEC3EX is a 3 and 5 V supervisor that combines over-voltage and over-temperature protection. It has quad cores: 2 for voltage monitoring, one for temperature and one for voltage trimming.

Application Field

PT7M6129NLEC3EX is mainly used in microprocessor/microcontrollers, servers, workstations, portable computing and embedded systems where system-power monitoring and temperature control are required. It can also be applied in automotive electronic control units, baseband applications, and any other system with the need for power supply.

Working Principle

The primary function of the PT7M6129NLEC3EX is to provide a signal when the power supply voltage drops below a pre-determined threshold. To do this, the device contains two comparators, programmed to monitor the power supply voltage against two preset thresholds. When the voltage level drops below either of these thresholds, a signal is generated to indicate that the power supply voltage has dropped.

The PT7M6129NLEC3EX also contains a thermal detector, which monitors the temperature of the system. If the temperature rises above a predefined threshold, a signal is generated to indicate the presence of an over-temperature condition. Finally, the device contains a voltage trimming circuit, to provide a small offset voltage which can be used to adjust the voltage level for optimal performance.

The PT7M6129NLEC3EX provides a number of features which make it ideal for power and temperature monitoring applications. These features include a wide operating temperature range, low power operation, low power dissipation, an open drain power good output, and an adjustable reset response time. Additionally, the device provides over-voltage, over-temperature, and under-voltage protection. This ensures that the system is always operating within its normal operating range, and prevents damage due to power supply or thermal problems.

In conclusion, PT7M6129NLEC3EX is an ideal device for monitoring power supplies and thermals. It provides a wide range of features, including voltage and temperature monitoring, voltage trimming, low power operation, and over-temperature protection. This allows it to be used in a variety of applications, from micro-processors to automotive systems.

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