TPS3305-25DR

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The TPS3305-25DR is a supervisors 1.8 to 5.5-volt solution that provides a voltage monitor/reset in a compact 8-pin SOIC package, making it a superb choice for monitoring voltages while keeping power consumption, real estate and costs at a minimum. This supervisor is designed to help ensure safe, reliable system operation. It is well-suited for portable and industrial applications such as portable electronic products, control systems, points of sale systems, Internet of Things (IoT), solar power, automotive systems, and other types of monitoring and protection.

The TPS3305-25DR is a supervisor and reset generator with a wide input voltage range from 1.8V to 5.5V, making it compatible with most power management systems. It provides an adjustable high and low voltage threshold, as well as an optional delay for system initialization. In addition, it features an active-low reset open-drain output, an active-high power-good open-drain output, and an active-high reset open-drain output.

The TPS3305-25DR utilizes the Internal Voltage Delay Block (IVDB) to prevent a reset signal from being emitted into the system until the startup voltage is stable. This feature ensures that reset operations remain safe and reliable. The supervisor also has an adjustable voltage threshold and a programmable delay time that can be used to ensure that proper initialization occurs.

The TPS3305-25DR has an open-drain reset output and is capable of sinking up to 10mA at 1.8V. The output remains in Reset until the voltage is within range. At this point, the Delayed Power-On Reset (DPOR) is triggered and the reset output is negated. The power-on reset output will remain negated until the supervisor measures a Low Voltage (LVD) below the threshold detection value, in which case the reset output is triggered again.

The TPS3305-25DR has a low quiescent current of 10μA, making it ideal for low-power applications. It also has selectable power-on Reset delay times of up to 1000ms. To prevent false resetting, the supervisor also features a noise rejection filter to reject noise spikes. This feedback-controlled time delay also helps to prevent intermittent reset operations caused by noise spikes.

The TPS3305-25DR is an excellent choice for applications that require reliable voltage monitoring. It is easy to program and use due to its simple configuration process. It is also efficient, accurate and cost-effective, making it a great cost-effective solution for voltage monitoring. Because of its low-power design, the TPS3305-25DR is an excellent choice for applications where power conservation is necessary. Furthermore, its adjustable voltage threshold and programmable delay time make it an ideal choice for applications where voltage-sensitivity is paramount.

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