ACT8810QJ420-T

Series:	ActivePath™, ActivePMU™
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Applications:	Processor
Current - Supply:	--
Voltage - Supply:	2.6 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	40-WFQFN Exposed Pad
Supplier Device Package:	40-TQFN (5x5)

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PMIC - Power Management - Specialized

Power management is an important aspect of everyday life, from the energy we generate to the technology we use. The ACT8810QJ420-T is a specialized type of power management integrated circuit (PMIC) designed for specific applications. This article will discuss the field of application and the principle of operation of the ACT8810QJ420-T PMIC.The ACT8810QJ420-T is a comprehensive, single-chip power management IC, designed for use in a variety of applications. It is a multi-channel device that can manage up to 9 voltage rails. The ACT8810QJ420-T includes a variety of features including up to three step-down power converters, three linear regulators, one low-dropout regulator, four low-side switches, and multiple reset lines. Additionally, the device features a range of field-programmable features, including voltage pre-set, soft-start, power-on reset, and adjustable output current limit.The ACT8810QJ420-T is most frequently used in automotive applications, such as car radios and audio systems. The device is suitable for DC-DC applications, input voltages of up to 24V, and stand-by current of 2uA. The device can also be used for industrial automation, medical equipment, and other battery operated systems.In order to understand the principle of operation of the ACT8810QJ420-T, it is important to understand the various components that comprise the device. The device consists of two main components: the MOSFETS and the LDO. The MOSFETS are responsible for switching the power from the supply voltage to the load voltage. The ACT8810QJ420-T PMIC uses two MOSFETs, both equipped with an internal body diode. This allows the device to be used both as a push-pull and a buck converter.The LDO, or low-dropout regulator, is responsible for providing a constant output voltage by regulating the current going to the load. The LDO is a three-terminal device and consists of an operational amplifier and a power MOSFET. The operational amplifier of the LDO is connected to the controller and is used to regulate the output voltage of the PMIC.The controller of the ACT8810QJ420-T is used to control the operation of the device. The controller is powered by an internal low-dropout (LDO) regulator and is responsible for controlling the output voltage and current of the device. The controller is able to control up to nine voltage rails, with up to three step down power converters, three linear regulators and one low-dropout regulator. The controller also allows for a variety of field-programmable features, such as voltage pre-set, soft-start, power-on reset, and adjustable output current limit.The soft-start and power-on reset modules are responsible for ensuring a smooth and reliable startup of the device. They are typically used to reduce the inrush current and ensure a reliable starting power supply.The ACT8810QJ420-T provides a comprehensive, single-chip power management IC, designed specifically for automotive, industrial automation, medical, and other battery operated applications. This device is able to manage up to 9 voltage rails, features field-programmable features, and utilizes a low-dropout regulator and two MOSFETs. The device is also able to control up to three step-down power converters, three linear regulators and one low-dropout regulator. In addition, the device features a range of reset lines, allowing for smooth and reliable startup operations.

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