NCP1588MTR2G

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NCP1588MTR2G Application Field and Working Principle

The NCP1588 is a fault-protected high-performance 2-phase buck regulator, which is capable of supplying up to 8A of load current. This device is suitable for power supplies where a fast response is required, and is typically used for high-power processor core supply and other high current/low voltage applications in notebook and desktop PCs etc.

The NCP1588 is available in a surface-mount, 28-pin TQFN package, which is designed to conform to PC platform thermal specifications, and with its integrated synchronization to external PWM controllers, it is capable of providing a wide range of supply options and total system power savings.

Application Field

The NCP1588 is suitable for high reliability, high load current and high voltage applications. It is typically used in notebooks and desktop PCs which require a fast response time and low power dissipation in order to keep the core supply voltage as low as possible and thus to optimize the power savings. It is also suitable for any other application where current and voltage management is required.

The NCP1588 has extensive protection features including under-voltage lockout, over-current protection, thermal override and over-voltage protection, which make it suitable for high-power applications.

Working Principle

The NCP1588 is a 2-phase buck regulator, i.e., it uses switching components to control the voltage and current of the output. The device is controlled through pulse width modulation (PWM), with input voltage and output voltage feedback signals. The PWM signal is generated in response to the measured output voltage and current.

When the output current or voltage exceeds the rated value, the PWM signal is stopped and the device enters into a protection state. This prevents the output voltage and/or current from exceeding the maximum allowed values.

In addition to PWM control, the NCP1588 has a built-in frequency hopping feature which can be used in applications where long intervals of load operation are not needed. The frequency hopping allows the device to reduce the switching frequency and thus reduce power losses and extend the life of the power supply.

Benefits of NCP1588

The NCP1588 offers the following benefits:

• Integrated synchronization to external PWM controllers.
• High efficiency over a wide load range.
• Fault protection features.
• Frequency hopping for lower power dissipation.
• Small package size.
• High power density.

Conclusion

The NCP1588 is a fault-protected high-performance 2-phase buck regulator, suitable for high reliability, high load current and high voltage applications. It is capable of providing a wide range of supply options and total system power savings with its adjustable output voltage and PWM frequency control.

In addition to PWM control, the NCP1588 has a built-in frequency hopping feature which can be used in applications where long intervals of load operation are not needed. The device also has excellent fault protection features such as under-voltage lockout, over-current protection, thermal override and over-voltage protection.

The NCP1588 is suitable for power supplies where a fast response is required, and is typically used for high-power processor core supply and other high current/low voltage applications in notebook and desktop PCs etc.

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