TC7662BCPA

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TC7662BCPA is a DC-DC synchronous step-down switching regulator integrated circuit. It is part of the family of PMIC (Power Management IC) voltage regulators and DC-DC switching regulators. It offers an adaptive on-time control, step-down regulation with integrated FETs, and input voltage range of 4.75V to 21V. It has a wide range of application in portable electronics, automobiles, motors, and battery power-related system designs.

The TC7662BCPA is a high-performance product, with features that give users the flexibility to handle a wide variety of voltage rail requirements. It has adjustable output voltage from 0.9V to the input voltage. It can handle output current up to 4A, and its on-board logic enables it to work in pulse skipping mode, reducing the switching loss.

The TC7662BCPA offers an integrated soft-start function, allowing the device to start up smoothly by avoiding inrush current. Its built-in fast response current-limit protection ensures system safety, while its temperature protection allows the device to remain stable and safe during operation. The integrated bootstrap charge pump and PWM controllers enable it to step down the voltage, while maintaining excellent ripple current control.

The working principle of the TC7662BCPA is simple. It uses two FETs (Field Effect Transistors) to switch between the high and low state of the input voltage, while switching the output voltage to the desired voltage. The switching frequency is determined by the on-board clock oscillator as it runs at a fixed frequency. The built-in PWM controller determines the duty cycle of the FETs based on the output voltage to maintain the voltage regulation. The FETs are synchronized with the oscillator to reduce switching losses and provide efficient operation.

The built-in adaptive on-time control technology ensures high-efficiency operation, regardless of input voltage. The integrated current-limit protection allows it to limit its output current and prevent overload of the system. Its thermal shutdown feature allows it to turn off automatically when it reaches the maximum operating temperature, protecting the system from overheating.

The TC7662BCPA offers an ideal solution for efficiently regulating voltage, current and temperature. Its adjustable output voltage and current-limit protection make it a great choice for a wide range of applications, including portable electronics, automobiles, motors and battery power-related system designs.

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