S-80143BNMC-JG4T2U

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Power management integrated circuits (PMICs), such as the S-80143BNMC-JG4T2U, are designed to simplify power management design by integrating various functions into a single chip. PMICs offer a cost-effective, space-efficient, and reliable way to achieve power management goals. This article focuses on the application field and working principle of the S-80143BNMC-JG4T2U PMIC Supervisors.

The S-80143BNMC-JG4T2U is a high performance monitor and supervisory circuit designed for various embedded systems. It is primarily used in consumer applications such as mobile handsets, smart home appliances, and industrial control applications. This PMIC integrates a reset circuit, a reset timer, a precision voltage detector, and a watchdog timer to accurately monitor and control power management circuits. It is built on a small-package platform and is available in green (RoHS compliant) and lead-free versions.

The S-80143BNMC-JG4T2U can detect supply voltage up to 4V regardless of the system voltage. It has a wide operating temperature range of -40°C to +125°C, and can detect single-voltage and multi-voltage system power-up sequences. The PMIC also features a reset assertion time of 50 ns and deassertion time of 100 ns, making it ideal for fast ramp-up systems.

In terms of working principle, the S-80143BNMC-JG4T2U is a combination of a voltage detector, an automatic reset circuit, a reset timer, and a watchdog timer. The voltage detector is used to detect the system voltage, and when the voltage is below the threshold, the reset circuit is triggered which commands the reset time to initiate the recording process. Once the voltage is above the threshold, the reset timer is reset and the output of the reset is deactivated. The watchdog timer also serves as a safety feature that can be triggered in case of system malfunction or failure. It has a programmable window and timeout period to monitor system activity, and if the timeout period is exceeded a reset is triggered.

In conclusion, the S-80143BNMC-JG4T2U PMIC Supervisors is designed to be used in a wide variety of embedded systems such as mobile phones, smart appliances, and industrial control applications. Its combination of voltage detector, reset circuit, reset timer, and watchdog timer make it ideal for abrupt ramp-up systems and monitoring system activities. In addition, its small package and wide operating temperature range provide a reliable and cost-effective solution for power management designers.

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