TPS3838K33DRVT

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Power Management Integrated Circuits (PMICs) are integrated circuits that allow electronic systems to regulate, control, and monitor power flows. They are designed to transform inputs into outputs with the least possible loss of energy. PMICs are used in computer, consumer electronic, and automotive applications.Supervisors are a type of PMIC which monitor, control and manage system supplies. The TPS3838K33DRVT is a supervisor IC that provides mostly efficient, accurate overvoltage protection and undervoltage monitoring for a wide range of portable systems, including digital AC/DC and DC/DC converters.The TPS3838K33DRVT consists of a precision voltage detector, an adjustable delay block for reset and interrupt signal timings, and a low-dropout (LDO) regulator. The voltage detector has integrated hysteresis, providing clean interrupt signals and reset signals to logic circuits. The LDO regulator powers the IC, offering enhanced power up/down sequencing. The unit also features an adjustable reset delay circuit and a timer to monitor undervoltage conditions.The TPS3838K33DRVT is ideal for use in systems such as desktops and laptops, data storage, laptops, peripherals, smart and industrial appliances, automotive, and IoT applications. It works best in systems with a high current drain, or under varying conditions including temperature transients, voltage transients, or a combination of both. The TPS3838K33DRVT can also be used in high-density and portable applications where load capacitance is limited.The working principle behind the TPS3838K33DRVT is based on its precision voltage detector. The detector monitors the system supply voltage and compares it to a preset threshold. When the supply voltage is above the threshold, the detector will issue a reset signal to logic circuits. Conversely, when the supply voltage is below the threshold, the detector will issue an interrupt signal.In addition, the TPS3838K33DRVT’s adjustable delay block allows the user to customize the reset and interrupt signal timings. The adjustable delay block can be set to delay reset and interrupt signals until a certain time has elapsed. This prevents false reset signals caused by voltage transients and ensures correct in-system overvoltage protection.Lastly, the TPS3838K33DRVT features a low-dropout (LDO) regulator. The LDO regulator powers the IC, preventing power-supply noise from adversely affecting the device’s performance. The LDO regulator also offers enhanced power up/down sequencing for maximum system reliability.In conclusion, the TPS3838K33DRVT is a precision voltage detector, adjustable delayblock, and low-dropout regulator integrated circuit that provides efficient and accurate overvoltage protection and undervoltage monitoring for a wide range of portable systems. It is ideal for applications with a high current drain, or under varying conditions.

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