X40435S14-A

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Power Management IC (PMIC) Supervisors are integrated circuits that are designed to monitor and manage system power consumption, as well as provide power protection for the system. The X40435S14-A is a PMIC Supervisor integrated circuit from XPT CEDIC Corporation that functions to monitor and control workloads and power consumption.

Overview of X40435S14-A

The X40435S14-A comes equipped with several features that make it ideal for efficiently controlling power consumption. The integrated circuit has three adjustable power levels, offering a high-efficiency rate of 95-98%, a single power supply range between 5V to 20V, as well as high current monitoring capability, up to 100A. It also offers under-voltage lockout protection to prevent voltage surge damage to the system, as well as thermal shutdown protection, to prevent circuit damage due to an excessive temperature.

Application Field

The X40435S14-A is a versatile, high-performance PMIC Supervisor, applicable in a wide range of application fields. It is ideal for applications in industrial automation, office automation, automotive electronics, medical equipment, audio and video equipment, battery-operated systems, and consumer electronics.

Working Principle

The X40435S14-A operates on four different working modes – Continuous Conduction Mode (CCM), Discontinuous Conduction Mode (DCM), Doubly Continuous Conduction Mode (DCCM), and Transition Mode Operation (TMO). The circuit integrates the main switches, mid-point switches, and resonance capacitors in the circuit to allow efficient switching and control.

In the CCM mode, the main and mid-point switches are alternately turned on and off to oscillate the resonant voltage. The power delivered to the output is monitored in this mode and the duty ratio is adjusted correspondingly. In the DCM and DCCM modes, the duty ratio is adjusted through the mid-point switch control, while in the TMO mode, the operation of the mid-point switch is disabled and the duty ratio is adjusted through the operation of the main switch.

The X40435S14-A adopts the fast voltage mode control to provide low input and output transient noise. It also integrates two-only mode clock and fixed frequency mode clock to optimize the power conversion performance. The constant on-time control adopted by the IC allows high efficiency and quick transient response, while the built-in over-voltage protection capability ensures output voltage safety.

Conclusion

The X40435S14-A is a powerful and efficient PMIC Supervisor for use in a variety of application fields. With its features of adjustable power levels, high efficiency, single power supply range, high current monitoring capability, under-voltage lockout protection, and thermal shutdown protection, this PMIC Supervisor is the perfect choice for a wide range of system power management requirements.

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