ADM8642T100ACBZ-R7

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Power supply supervisors and monitoring devices are important components for system voltage monitoring to ensure reliable operation. A lot of these components are programmable, allowing for configurability, flexibility and superior performance. The ADM8642T100ACBZ-R7 is a power supply supervisor and monitor IC from Analog Devices, Inc. that provides well-rounded protection for a system\'s power supply.

The ADM8642T100ACBZ-R7 is a versatile supervisor IC that provides reset, power-fail, power-good and power sequencing functions.

Application Field

The ADM8642T100ACBZ-R7 can be used in a variety of applications that require power supply monitoring. It is particularly well-suited for microcontrollers, CPUs, ASICs, DSPs, and other integrated circuits. There are several application fields where the ADM8642T100ACBZ-R7 can be used:

• Digital TVs and set-top boxes
• Home appliances
• Telecommunications and networking
• Portable electronics
• Industrial and automotive

The ADM8642T100ACBZ-R7 can also be integrated into a variety of other applications such as servers, workstations, gaming consoles, type-C USB systems, HDTVs, and 4K/Ultra HD monitors.

Working Principle

The ADM8642T100ACBZ-R7 is an integrated circuit that monitors voltage conditions and outputs an active-low reset signal, power fail signal and power good signal. It can detect power supply fluctuation, under-voltage and over-voltage conditions as well as provide supply sequencing. It also offers programmable timeout and reset thresholds.

The ADM8642T100ACBZ-R7 has two voltage monitoring inputs, one for the primary power supply and one for the secondary power supply. When the power supply changes, the IC will output a reset or a power fail signal based on the configured thresholds. The reset thresholds are programmable and it can also provide a power-good signal when the power supplies are stable.

The ADM8642T100ACBZ-R7 also provides power sequencing, allowing for multiple supplies to be powered up and down in a certain order. The power sequencing can be programmed to handle up to four different supplies. Upon power-up, the IC will delay the reset output after a certain time period, doing the same for the power fail output when the input voltage drops below a certain level.

Additionally, the ADM8642T100ACBZ-R7 offers on-chip and external reset pin options, as well as programmable timeout and reset thresholds, enabling flexible monitoring and resetting solutions.

Conclusion

The ADM8642T100ACBZ-R7 power supply supervisor and monitor IC from Analog Devices, Inc. provides a versatile and well-rounded solution for ensuring reliable operation of a system’s power supply. It offers power fail, power good and power sequencing functions with programmable thresholds and timeout periods, making it suitable for use in a variety of applications such as digital TVs, telecommunications, industrial and automotive and more. Thanks to its advanced features, this IC is a reliable choice for monitoring a system’s power supply.

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