TPS3801E18DCKR

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Power management integrated circuits (PMICs) are semiconductors, either purchased as integrated components, or integrated onto a microcontroller or other device, that manage the power usage and consumption of the device. PMICs provide power regulation and distribution using a range of power control and protection techniques. Supervisors, one of the categories of PMIC, are subsystems that monitor a range of vital parameters of the power system or device, issuing warnings or switching system states in the event of abnormal values.

TPS3801E18DCKR is a Supervisor PMIC, from Texas Instruments, designed for monitoring the power supply of integrated circuits operating from negative voltage levels. It is a precision voltage supervisor, with a comparator, capable of detecting voltage levels as low as 0.61V, making it particularly suitable for detecting signals from low-voltage microcontrollers and ASICs.

The TPS3801E18DCKR employs a dual-mode comparator circuit to monitor an integrated circuit’s power supply. It includes an independent input, allowing it to compare the VCC supply voltage against another voltage, such as the battery voltage. This allows the device to measure conditions and proportionately control system functions to ensure reliability and accuracy. In addition, it also contains an enable pin which can be used to enable or disable the comparator operation.

As a Supervisor PMIC, the main application field of the TPS3801E18DCKR is the management, stabilization, and responding to the fluctuations of the operating voltages in an integrated circuit. Its low power consumption, high precision, low voltage detection, and efficient power management, makes it an ideal choice for applications requiring an extremely accurate, low power supervisor.

TPS3801E18DCKR can be used in various low-power applications, such as low power microcontrollers and ASICs, battery operated devices, power converters, and high-precision digital ICs. It can detect voltage variations as low as 0.2V in systems running on negative voltages and triggering a reset or shut down of the system upon a voltage threshold breach. When set up properly, the TPS3801E18DCKR will monitor the integrated circuit\'s power supply and alert or initiate system shut down to maintain a stable and secure power supply.

When compared to other voltage supervisors, the TPS3801E18DCKR is reasonably small in terms of its footprint, with a package size of 2.5mm x 2.1mm. This coupled with its low power consumption and its capability to run on low voltage ranges, makes it an ideal choice for highly integrated and low-power applications.

In conclusion, the TPS3801E18DCKR Supervisor PMIC is a great choice for applications that require extremely accurate, low-powered voltage monitoring solutions. It provides accurate monitoring down to 0.2V, along with advanced signal comparison and process control functions, making it particularly suitable for low-voltage systems requiring maintenance of a stable and reliable power supply.

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