NCP304LSQ43T1

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The NCP304LSQ43T1, also known as an Enhanced Interval Voltage Supervisor, is a single chip low power device that can be used to monitor system power and help mitigate risks associated with power anomalies. It features two, ultra-low supply current voltage monitors and integrated timer function, each with independent input and reset outputs. This low cost, low-power solution is ideal for battery- and hand-held applications where saving power is a top priority, and the NCP301LSQ43T1 is the perfect choice for such applications.

The NCP304LSQ43T1 is typically used to monitor the power supply voltage and output 5V/3.3V reset signals to avoid system errors during power up or power down events. With its low-power consumption, the device can seamlessly monitor the power supply even when multiple power supply monitoring is required. Additionally, the NCP304LSQ43T1 enables designs to accurately monitor the occurrence of power loss and reset the microcontroller.

The device employs a timer circuit which is triggered by the interrupt flags associated with each input. Once the timer is triggered, the output is maintained for the duration of the defined time-out period. This keeps the system safe during power loss events or true brownouts, and allows the system to recover quickly after restoring power. The interval between power good signal and output reset can be set through the external resistor.

NCP304LSQ43T1 also features internal temperature sensors which can detect undesired temperatures on the external device or environment, helping to ensure systems are safe even with hot or cold temperatures outside the desired range. In addition, the device features voltage regulator feature which can be used to set up a predefined target voltage level. This helps the system to be protected against power supply surges.

In terms of performance, the NCP304LSQ43T1 has a fixed input threshold of 3.12V with a maximum of 3.3V. The device also has an open-drain output which can take as much as 18mA. The device is also capable of providing a reset signal from 4.8 to 5.2V. Typical monitoring current is 0.5µA and the reset timeout period can be set by an external resistor ranging from 1 ms to 10 minutes.

In terms of its application fields the NCP04LSQ43T1 is typically used in battery and hand-held systems that require robust power supply monitoring solutions. This includes Smartphones, tablets, portable medical devices, hand-held computers, wireless sensors and IoT products. Having a low-power consumption, the device can monitor power supply even when system idle states are frequent, ensuring a reliably robust performance.

In conclusion, the NCP304LSQ43T1 is a single chip low-power device that can be used to provide a high degree of protection to applications that require robust power supply monitoring. It features two ultra-low supply current monitoring channels, an integrated timer function and additional protections such as temperature sensors and voltage regulator. With its low-power consumption, the device can provide maximum protection even when battery applications and handheld systems are in frequent idle states.

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