TC1272AMVNBTR

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PMIC - Supervisors

The TC1272AMVNBTR is a family of precision voltage monitors and supervisors. It is available in fixed output voltages from 1.25 to 6.0V, with over-current and thermal protection. These voltage supervisors include an on-chip voltage detector, a watchdog timer, and a voltage comparator. The voltage detector has an input voltage range of 2.5V to 6.0V. It is designed to monitor the health and status of power supplies and other power related system components.

Application field

The TC1272AMVNBTR application field covers a wide range. It is designed to provide a compact form factor solution for system monitoring and down-stream power supply protection. The voltage supervisor feature particular interest in automotive and industrial applications, such as monitoring any sudden drop in the system voltage, supply voltage ripple/spikes, ring-downs, over-current and thermal protection. Embedded systems, telecom and medical equipment and LCD displays all rely on the TC1272AMVNBTR supervisors to ensure proper system power up, reset, and stable operation.

Working principle

The TC1272AMVNBTR voltage supervisors monitor the power rail voltage states and report to the system systems these conditions. The device works on the principle of threshold voltage monitoring. This means that the voltage supervisor monitors the voltage level on its input pin against a preset threshold, and if it drops below this setpoint, the supervisor will issue a warning signal or reset the system. The threshold voltage detection is programmable and it is settable to a range as low as 1.25V, which makes it ideal for low power or low voltage systems. It contains an internal watchdog timer (WDT) to reset the system in case of power rail anomaly. The WDT timeout can be set between 1.2 and 1.7 seconds.

The TC1272AMVNBTR is a family of precision voltage supervisors that are available in fixed output voltages from 1.25 to 6.0V, with over-current and thermal protection. It can be used in a wide range of applications, from automotive to embedded systems, telecom and medical equipment. The TC1272AMVNBTR is designed to monitor the power rail voltage states against a preset threshold and if it drops below this setpoint, the supervisor will issue a warning signal or reset the system. The watchdog timer can also be set to reset the system in case of power rail anomaly. It features an on-chip voltage detector, a watchdog timer, and a voltage comparator.

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