TPS3780DDRYT

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The TPS3780DDRYT is a micropower voltage supervisor that takes the place of legacy supervisory circuits in many applications. It\'s most commonly used in automotive, industrial, and aerospace systems. It is a single-output device that operates over an extended 2.7V to 5.5V range, and features an adjustable supervision voltage threshold and full Brown-out or Brown-out Hold-Up protection. The device has a fast typical response time of 140ns, and can monitor and control up to 4 supply voltages. It can also be used to provide reset, power-up sequencing, power source detection, power regulation, and fault detection in a variety of different applications.

The TPS3780DDRYTis also designed for system level protection, providing an internal RESET/SYSRSTb threshold comparator as well as an integrated voltage and current monitor. As a voltage supervisor, the device monitors an input voltage reference for changes. If the voltage reference falls below the set threshold, a RESET/SYSRSTb signal is asserted. This signal can be used to initiate a required shutdown or reset sequence. Its current and voltage monitor capabilities allow the device to detect possible overcurrent and overvoltage conditions, and take the appropriate action.

The TPS3780DDRYT features several advanced features such as aresistor-programmable under-voltage lockout (UVLO) threshold. This feature ensures that the system is initialized properly before any application specific startup may commence, allowing current to be sourced without exceeding the voltage limit. It also has a RESET push-button override which is used to manually cause the reset to active if the supervisor is already in a RESET state. This helps ensure that the system is re-initialized correctly, even if the voltage never recovers from its original low level.

The TPS3780DDRYT has many convenient features have been designed into this part, including an input filter designed to suppress voltage transients, an internal LDO (low drop out) regulator to ensure the part functions correctly regardless of the supply voltage, and a charge pump reset circuit. It also features an internal power on reset circuit to ensure the processor and all peripheral circuits are properly powered on and initialized at the same time.

The TPS3780DDRYT is an ideal voltage supervisor for high-performance applications that requirean efficient, reliable micropower device with fast response time. It is a complete system-level reset, fault detection, and power supply sequencing solution that can be used in a variety of sensitive aerospace and automotive systems. Its flexible features, coupled with proven reliability, make the TPS3780DDRYT the trusted choice for many engineers.

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