TPS3831K50DQNT

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PMIC - Supervisors

The TPS3831K50DQNT is a high-performance, resettable supervisor device with dual timer delay accuracy. It is specially designed to monitor power supply and system voltage conditions while allowing two independent delays. This feature is essential in advanced microprocessor systems because it enables power failure and brown-out monitoring on the chipset. The family includes the TPS3831K50DQNT resettable supervisor.

The TPS3831K50DQNT is a natural fit for computing, telecommunication and networking applications. The device combines Active Low/Active High reset signals and push/pull interrupts, enabling support for a variety of host applications. The reset threshold can be individually tailored to each application, allowing power-up and power-down management.

Features

• Independent timer delay accuracy
• Programmable reset and interrupt thresholds
• Active low and active high reset signals
• Push/pull interrupts
• Leading-edge reset debounce
• Push/pull reset
• Supply voltage range: 1.8V to 3.6V

Application Field

The TPS3831K50DQNT is ideal for monitoring power supplies, providing system resets for microprocessors, ASICs, FPGAs, DSPs, and other electronics systems. It is also well-suited for system-level resets, green modes, and power supply sequencing functions. It can be used in redundant power systems, hot-plugging systems, and voltage monitoring systems.

Applications include automobiles, home and commercial audio/video systems, communication systems, datacom systems, industrial automation systems, medical imaging and robotics. It can also be used in various PCs, workstations, set-top boxes,and server applications.

Working Principle

The TPS3831K50DQNT monitors the voltage of the system and delivers a reset signal when it reaches below a pre-defined threshold. It is also capable of delivering an active low/active high reset signal, as well as push/pull interrupts during power-up and power-down. In addition, the device features pre-defined integrated functions such as power-down reset, reset/interrupt assertion/deassertion delay, watchdog timer, push/pull reset, and softpower-down functions.

The device also features a low supply current with an input range from 1.8 to 3.6V. It is temperature-compensated and monitors the voltage at the input pin, checking it against the internal threshold and activating the reset output pin when the voltage drops below a certain level. The family includes a wide range of outputs, output routines, delay times, and debounce feature. The resets and interrupts can be programmed to achieve more flexibility.

Conclusion

The TPS3831K50DQNT is a high-performance supervisory device packed with essential features in a small form factor. It is a perfect fit for high-end computing, telecommunication, and networking applications. It is designed to monitor power supplies, deliver reset signals and push/pull interrupts during power-down, and power-up sequences. It is also capable of delivering an active low/active high reset signal and a watchdog timer with pre-defined outputs and delay times. With its wide variety of features, the TPS3831K50DQNT is an ideal solution for advanced power management systems.

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