TC7662AEPA

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The TC7662AEPA is a PMIC, or Power Management Integrated Circuit, belonging to the voltage regulator family of DC-DC switching regulator. Specifically, it is a two-output step-up/step-down switching regulator with PFC (Power Factor Correction) function. It also includes many additional functions and features, such as over-current protection, over-temperature protection, over-voltage protection, display dimming control and so on. This makes the TC7662AEPA an ideal choice for a wide range of applications.

In terms of application field, the TC7662AEPA is used to provide clean and low-ripple power from a low voltage input source to higher voltage applications, such as the power supply for television sets, STB (Set Top Boxes) systems, DVD players, monitors, broadcast equipment, projectors, and LED lighting. As a power-management component, it helps to reduce power loss, improve system efficiency and reduce overall system cost.

The working principle of the TC7662AEPA is based on switching regulator technology. The circuitry of the regulator comprises a step-up board, a step-down board, a pulse-width modulation (PWM) controller, a switching circuit, and a control circuit. The TC7662AEPA is designed to convert the input voltage into a regulated output voltage. The voltage is managed through the combination of the PWM controller and the switching circuit. The input voltage is fed into the set-up block, which generates an intermediate DC voltage. This intermediate DC voltage is then passed trough the PWM controller and the switching circuit to get the desired output voltage.

The TC7662AEPA features high integration, low leakage current, high efficiency, and high PF (Power Factor). It also features auto-restart over-voltage protection, adjustable fault-current limit circuit, efficient/low power mode operation, auto/manual power down mode, auto wake-up from power down mode, over-temperature protection and so on. It also includes enhancements such as LED dimming control, OVP (over-voltage protection) and short-circuit protection.

In summary, the TC7662AEPA is a two-output step-up/step-down switching regulator with PFC (Power Factor Correction) function. This PMIC can be used for various applications such as television sets, STB systems, DVD players, monitors, broadcast equipment, projectors, and LED lighting, etc. It combines high integration, low leakage current, high PF (Power Factor), and high efficiency with additional features like over-current protection, over-temperature protection, over-voltage protection, display dimming control, and so on. This makes the TC7662AEPA an ideal choice for a wide range of applications.

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