TPS3125J12DBVR

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PMIC - Supervisors

PMICs otherwise known as Power Management Integrated Circuit and also known as Power Managers, they are integrated circuits that are used to regulate, control and convert the power in a system. These are essential in modern electronics and PMICs have various types and design, depending on their use. Supervisors are one type of PMICs, they are primarily used to monitor power supply voltages and to initiate any power-on-reset signal if the power fails. One particular supervisor IC is the TPS3125J12DBVR.

TPS3125J12DBVR Application Field

The TPS3125J12DBVR is a low cost, low power supervisor for monitoring system power supplies. It is a single-channel supervisory IC that is especially suitable for use in applications that require low power and/or low power-on reset signal generation. It is also available in a TSSOP-8 package. The TPS3125J12DBVR is suitable for use in applications such as programmable logic controllers, portable devices, instrumentation and control, embedded systems, and any other application that requires reliable voltage monitoring.

TPS3125J12DBVR Working Principle

The TPS3125J12DBVR consists of an analog comparator, a pulldown resistor and a threshold voltage setting circuit. The comparator continually monitors the input voltage. When a power supply failure occurs, the comparator detects the voltage drop and triggers the output of a low power-on reset signal. This signal is then outputted to the system to alert it of the power supply failure. The threshold voltage is adjustable and can be set to detect small changes in the input voltage.

The TPS3125J12DBVR also features short-circuit protection, which prevents the supervisor IC from being damaged by accidental overload on the power supply. The supervisor IC also has an input voltage range of 2.2V to 5.5V, which makes it suitable for a wide range of applications.

The TPS3125J12DBVR also has a monitoring window of 1.5V to 4V, which ensures that the supervisor IC is able to detect any drops in the power supply voltage. This makes the TPS3125J12DBVR a reliable supervisor IC and an ideal solution for applications that require reliable power monitoring.

Conclusion

The TPS3125J12DBVR is a low cost and low power supervisor IC that is widely used in applications that require reliable voltage monitoring. The IC is capable of detecting small changes in the input voltage, has a wide input voltage range, and features short-circuit protection. All these features make the TPS3125J12DBVR an ideal solution for applications that require reliable power monitoring.

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