TPS3838J25QDBVRQ1

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PMIC - supervisors are a type of electronic components with technology used to protect Integrated Circuits from excessive current, abnormal voltage and to reset microprocessors. The TPS3838J25QDBVRQ1 is a low-power system supervisor from TI that provides protection from excessive input voltage, current and temperature. Furthermore, this device also features a programmable reset timeout for microprocessors, giving it many applications amongst various types of ICs.

The primary application for the TPS3838J25QDBVRQ1 is the protection of devices from overvoltage and overcurrent. On the input voltage side, the device monitors three voltage rails: VDD, VCC, and VOUT. In addition, it operates in two modes, normal and reset. In normal mode, it protects the devices from overvoltage and overcurrent when the supply voltages falls below specified thresholds or when current exceeds the specified limits. If this happens, it triggers a reset, putting the device in to reset mode.

The device employs a temperature-compensated reset timer, which allows it to remain in reset mode for a more extended period of time at higher temperatures for improved reliability. Its maximum reset timeout is adjustable up to 20ms and the typical delay from detection of a fault to reset initiation is around 4ms. It also features power-on reset and manual reset support, as well as auto-retry and brown-in support. This broad range of features makes it suitable for controlling microcontroller-driven systems, providing reliable under-voltage and over-voltage protection.

The TPS3838J25QDBVRQ1 helps to protect vital electronic systems from loss of power by resetting devices upon the detection of a fault condition. It is designed to operate over the temperature range of -40°C to +125°C, with a 5V operating voltage. The device is also designed to allow a single power supply monitoring multiple power rails and comes in a 5-pin SOT-23 package. All these features combine to makes the TPS3838J25QDBVRQ1 an ideal choice for power management and protection applications.

In conclusion, the TPS3838J25QDBVRQ1 is a low-power system supervisor from TI with excellent features and specifications. It enables microprocessors to be reset when protections from overvoltage, overcurrent and higher temperature conditions are needed. This feature-rich device is suitable for various types of Integrated Circuits and helps to protect important electronic systems from loss of power. With its adjustable reset timeout, low-power operating requirements and small package size, the TPS3838J25QDBVRQ1 is the perfect choice for many electronic power management and protection applications.

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