TPS3823-33QDBVRQ1

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PMIC - Supervisors encompass a wide range of application areas and the TPS3823-33QDBVRQ1 is no exception. Supervisors are more commonly known as power sequencing devices and have the capability to control and sequence the powering of sensitive devices and systems. The TPS3823-33QDBVRQ1 – 3.3V Supervisor with Delayed Reset and Active Low Voltage Detect, is a high precision, versatile supervisor that provides precision performance of up to 400nA of accuracy. It has low power consumption and offers a wide range of operating temperature from -40°C to 125°C.

A supervisor is a power management device that provides guidelines, prohibits and manages electricity to electronic devices like processors, RAM, and other components. It is an integral part of any application that requires protection against power fluctuations, short-term power loss, reset pulses and other undesired occurrences. The TPS3823-33QDBVRQ1 is an extremely efficient supervisor, with a guaranteed accuracy of ±400nA, which can be used in a variety of applications.

Since the main purpose of a supervisor is to keep sensitive electronic systems from having voltage irregularities or other power disturbances, it is important to understand the basic design of the TPS3823-33QDBVRQ1 . This supervisor integrates three main components: a voltage reference, a high-gain hysteretic voltage comparator and a delayed reset, configured in a parallel configuration. This allows the supervisor to detect an input signal or the signal from a voltage source and compare it to a predetermined threshold level. Depending on the signal over that threshold, either logic high or low signal will be generated, in turn controlling power switch.

The TPS3823-33QDBVRQ1 operates by monitoring a wide range of voltages, ranging from 1.6V to 5.5V, through a single input pin. And its threshold levels can be configured through a single external resistor, allowing its flexibility in adjustable voltage applications. Since it is provided in a TSOP-5 package, it is highly suitable for space-constrained applications.

The range of applications of the TPS3823-33QDBVRQ1 is quite vast and varied. It can be used either as a voltage monitor or as a reset supervisor. As a voltage monitor, it can be implemented in a single-supply circuit, as well as a two-supply circuit, by detecting the system input voltage or by monitoring a voltage from a regulated voltage source. In addition, it provides a delayed reset in order to stabilize the power to the system or component.

Moreover, It may be used as a watchdog timer in automotive systems such as intelligent vehicle functions, brake, power steering or in-vehicle entertainment systems. It is also designed for controlling input voltage levels, especially for DC-to-DC switching regulators, negative voltages and power over Ethernet applications. It can also be used in networking, communication and consumer applications.

The TPS3823-33QDBVRQ1 is an innovative supervisor that combines excellent accuracy and flexibility with reliability in a single package. By having a supply voltage-agnostic design, an adjustable threshold level and a wide range of operating temperature, it is an ideal choice for any application that needs to be protected from power irregularities or reset pulses.

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