ADM1060ARUCS0604R7

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PMICs (Power Management ICs) are devices that are used to regulate and manage the power supply of systems, such as computer, laptop, and server systems. Supervisors, a subcategory of PMICs, are used to monitor the power supply state and provide system protection. One example of a Supervisor is the ADM1060ARUCS0604R7. This chip is designed to protect and maintains system reliability while controlling power supply in a broad range of applications. This article will describe the application field of the ADM1060ARUCS0604R7 and its working principle.

Application Field

The ADM1060ARUCS0604R7 is a low-power supervisor, with two output associated trips – one for voltage monitor, the other for reset or power-good signals. It is designed to provide power supply monitoring and control functions in a range of applications, from desktop PCs and workstations to industrial electronic systems. It is also used for monitoring and reset in server systems and for power control in automotive systems.

The ADM1060ARUCS0604R7 comprises of a voltage monitor input and two output that generate suitable trip signals. Its output can be configured either as a reset signal or as a power-good signal depending on the application requirement. The output trip voltages are fixed at +2.5V, falling to 0.6V once the trip point is reached. The ADM1060ARUCS0604R7 is available in 16-pin small-outline integrated circuit (SOIC) and narrow-body small-outline package (NSOP) packages. The chip is designed to operate on a voltage range from +2.7V to +5.5V DC.

Working Principle

The working principle of the ADM1060ARUCS0604R7 is based on the comparison of its internal reference voltage against the output of an external voltage sensor. The supervisor monitors the external voltage through its voltage sense input (VSEN) in order to compare the two signals. Once the sensed voltage drops below the fixed voltage of +2.5V, the output trip detects it and generates a signal accordingly. If the signal is configured as a reset signal, it triggers a system reset; if it is configured as a power-good signal, the signal indicates that the power supply is within the designated range.

The device also features a built-in timer to delay the output signal. The timer\'s duration is adjustable through an external resistor. It can be set to as low as 2 seconds for shorter delays or as high as 38 minutes for longer delays. This feature prevents spurious trips from happening due to noise or momentary dips in the external voltage.

The ADM1060ARUCS0604R7 also offers three modes of operation (normal, pre-delay, and power-down active) to enhance system operation and reliability. In normal mode, the output changes immediately if the trip voltage is reached. In pre-delay mode, the chip waits until the internal timer has expired before generating the output signal, thereby offering greater protection against spurious trips. In power-down active mode, the output remains active when the device is powered down, ensuring that the system is reset.

Conclusion

The ADM1060ARUCS0604R7 is a low-power supervisor designed to provide power supply monitoring and control functions in a range of applications. It comprises of a voltage monitor input and an output that generates a reset or power-good signal, depending on the application requirement. Its built-in timer offers adjustable delays and its three mode operation ensures system reliability. With its robust features and wide range of applications, the ADM1060ARUCS0604R7 is an ideal choice for power supply monitoring and control in systems such as computers, laptops, servers, and automotive systems.

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