CAT1832V-GT3 Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active High/Active Low
Reset Timeout:	Adjustable/Selectable
Voltage - Threshold:	2.55V, 2.88V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	CAT1832

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The CAT1832V-GT3 is a supervisor circuit designed to greatly simplify power distribution design and capacitor selection with its integrated LDOs, automatic power-up sequencing, and other features. Integrating the circuit into designs enables manufacturers to quickly and easily generate reliable power supplies that are energy efficient, reliable, and cost-effective.The CAT1832V-GT3 is what is known as a power management integrated circuit (PMIC), or ‘supervisor’, which is an IC designed to provide a wide range of regulation, protection, and monitoring functions in an integrated package. Specifically, the CAT1832V-GT3 is designed to simplify the power distribution design of a system by providing power-up sequencing, LDOs, and other functions.The CAT1832V-GT3 is primarily used for power systems related applications, including server systems, communications applications, industrial and consumer applications, networking, and other power systems. The IC is also suitable for applications requiring automatic power-up sequencing, overcurrent protection, and other safety features.In power system design, the CAT1832V-GT3 is suitable for both new projects and those undergoing significant changes. Integrating the IC into a power system design allows the designer to achieve excellent results in terms of cost savings, efficiency, and reliability.The key features of the CAT1832V-GT3 include its integrated LDOs, automatic power-up sequencing of core power supplies, over-current protection with selectable current limits, and soft-start. The integrated LDOs are designed to provide power regulation and are designed to be used with wide ranging voltages, up to 24V. This is particularly useful in applications where the source voltage is subject to wide variations, such as DC-DC converter applications.The integrated power-up sequencing is designed to ensure that the main power supplies are brought up in the correct order, providing reliable power to the circuits during start-up. The CAT1832V-GT3 also includes an over-current protection feature, providing selectable current limits which can be used to ensure that the load does not draw too much current from the system. The CAT1832V-GT3 also includes a soft-start feature, which ensures that the power supplies are brought up slowly to further improve system reliability.The CAT1832V-GT3 uses a voltage pre-charge circuit to bring up the VTT and DDR supply voltage prior to bringing up the main power supplies. This pre-charge circuit is enabled once the reset signal is released, allowing the VTT and DDR supply voltages to be brought up gradually. Once the pre-charged levels are reached, the main power supplies can be brought up, providing power to the system reliably.The integrated LDOs are also enabled during the pre-charge period and regulate the voltages of the system, maintaining their high accuracy and allowing the system to run reliably. The integrated power-up sequencing ensures that the main power supplies are brought up in the correct order, and the integrated over-current protection feature ensures that no excessive currents can be drawn from the system. The soft-start feature ensures that the main power supplies are brought up slowly, reducing the stress on components.The CAT1832V-GT3 is a highly integrated supervisor IC designed to simplify power system design and enable cost-effective, energy efficient and reliable systems. The IC is suitable for applications requiring power-up sequencing, over-current protection, and other safety features, and is suitable for use in applications ranging from DC-DC converter applications to networking and industrial applications. The CAT1832V-GT3 combines power regulation, power-up sequencing, over-current protection, and a soft-start feature, simplifying power system design and greatly improving reliability and efficiency.

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