NCP1010ST65T3

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Power management integrated circuits (PMICs) are integrated circuits that are designed to efficiently manage and optimize supplied power along with related functions such as board-level voltage regulation, power conversion, and power sequencing. A major aspect of power management is transforming direct current (DC) voltage from a secondary source to levels necessary for operation of integrated circuits. AC/DC converters and offline switchers are two of the most common power conversion techniques used in PMICs.

The NCP1010ST65T3 is a synchronous step-down PMIC with integrated PowerPath and provides a low-power solution for microprocessors and DSPs. It is designed to handle up to 65W of output power from a wide range of DC/DC voltage inputs from 0.8V to 24V. It utilizes a synchronous step-down configuration to provide up to 4A of output current and can operate at switching frequencies up to 1.2MHz.

The NCP1010ST65T3 is designed to minimize system losses and minimize output voltage ripple by eliminating components such as power inductors, which simplifies the power supply design and reduces the space consumption. The integrated PowerPath feature senses an input current and regulates the output voltage accordingly, allowing the system to remain stable when the input power is erratic. It also provides a selectable sleep function to conserve energy when needed.

The working principle of the NCP1010ST65T3 is relatively simple. The device features two base blocks, a buck converter and power path controller. The buck converter regulates the output voltage using a control loop, which measures the output voltage and compares it to a reference value. The error amplifier in the control loop adjusts the duty cycle of the power switch to maintain the correct output voltage. The power path controller monitors both the input voltage and the output voltage, and adjusts the duty cycle of the power switch accordingly to maintain a consistent output voltage. The power switch is controlled by the device’s PWM unit, which enables the switching frequency to be set within a wide range.

The NCP1010ST65T3 is used in a wide range of low load applications including internet of things (IOT) devices, barcode scanners, POS terminals, audible signals, security systems, and DSP signal processing systems. Its wide input voltage range, low quiescent current, low on-resistance power switches, and integrated power path feature make it ideal for these applications. Additionally, its wide operating temperature range and its high efficiency make it suitable for automotive and other high-reliability applications.

The NCP1010ST65T3 is a sophisticated PMIC with a wide range of features and capabilities, making it ideal for a wide range of power management applications. With its high performance, small size, and low power consumption, the NCP1010ST65T3 is an excellent choice for today’s demanding power management needs.

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