TPS3801-01DCKRG4

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The TPS3801-01DCKRG4 is an integrated high-speed supervisor designed to monitor systems for reset, power-on reset, and power-good signals. This device is an easy-to-implement, ultra-low-power solution that helps protect complex systems against reset caused by various factors such as brownouts, glitches, or power failure. It is specifically designed to monitor high-tolerance voltage levels and provide reliable signaling to other integrated circuits (ICs) or microcontrollers (MCUs) to help mitigate system-level malfunctions.

The TPS3801-01DCKRG4 is an adjustable reset, supervisory IC and features a programmable active high reset, a programmable active high power-on reset, and a programmable active high power-good signal. It is most suitable for applications that require precise monitoring of system voltages and reliable signaling of reset conditions.

The TPS3801-01DCKRG4 is available in a 16-pin package and has an operating temperature range of -40°C to +85°C. The device has integrated a range of protection features such as under-voltage lockout and a wide range of voltage thresholds to suit a variety of system designs. The device has an adjustable reset push-pull output level and provides both open drain and push-pull reset signals.

The TPS3801-01DCKRG4 uses a two-level reset comparator. It comes with two power supply inputs, VDD and VSS, and includes four monitoring thresholds, the lower and upper threshold on both VDD (VPOR) and VSS (VRESET). When VDD reaches a programmable voltage level, VPOR, the device initiates a power-on reset, performing a power-on reset when VDD reaches the VPOR threshold. Likewise, when VSS reaches the VRESET threshold, the device performs a reset. If the VDD or VSS signals falls outside of the programmable threshold, the device will assert a reset signal.

The TPS3801-01DCKRG4 contains an adjustable digital filter that provides noise immunity to reset signals. The device also features a programmable power-good delay and an active high power-good signal, which is an open-drain output. The power-good delay monitors the state of the power supply, and when it reaches the preset threshold, the power-good signal is asserted. The TPS3801-01DCKRG4 also includes a temperature-compensated voltage reference.

Applications of the TPS3801-01DCKRG4 include cellular phones, laptop computers, battery packs, automotive systems, and industrial controllers. The device is capable of monitoring and signaling reset conditions for a wide range of system designs and tolerances. In addition, it can help ensure system stability and reliability.

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