ISL62382HRTZ-T

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ISL62382HRTZ-T Application Field and Working Principle

The ISL62382HRTZ-T is an ultra-broad input range four-phase pulse width modulation (PWM) controller used for multi-output power systems. It belongs to Intersil\'s family of PMIC – power supply controllers, monitors. It features integrated monitoring, sequencing, margining, soft-start functions and can be optimally configured for specific applications.

Application Field

The ISL62382HRTZ-T can be used in various applications such as laptop and desktop computers, networking applications, DC-DC power supplies and more. The device integrates MOSFETs and has a high efficiency, saves cost and reduces the size of the system. In addition, it provides many configurable options including light load optimization with peak current limit and dynamic voltage regulation to improve transient response.

Features

The ISL62382HRTZ-T integrates a range of features, including:

• Four-phase, PWM controller with tight loop control
• Wide input voltage range of 2.8 V to 46 V
• Up to 12-phase operation
• Current balance of 1Ω/phase or better
• DC-DC mode support up to 98A
• Flexible configuration and sequencing
• Power and fault monitoring via ISL6820x

Working Principle

The ISL62382HRTZ-T is based on the concept of four-phase interleaving incremental conductance control, which provides high transient response and high efficiency over a wide load range while maintaining current-balance stability. It deals with the peak current limit and dynamic voltage regulation to improve the transient response. The four-phase configuration works by spacing the output transistors, alternating the active transistor, and interleaving the phases evenly.

The four-phase PWM architecture results in a smooth output current waveform and reduces output voltage ripple. The controller also features a wide range of voltage and frequency programming options that allow the device to adapt to different output configurations. Furthermore, the device integrates a wide range of monitoring, protection and safety features.

Conclusion

The ISL62382HRTZ-T is an ultra-broad input range four-phase pulse width modulation (PWM) controller used for multi-output power systems, belonging to Intersil\'s PMIC – power supply controllers, monitors family. It has a wide range of features, such as four-phase, PWM controller with tight loop control, up to 12-phase operation, current balance of 1Ω/phase or better, and many more, making it suitable for a variety of applications, including desktop and laptop computers, networking applications, DC-DC power supplies and more. The device integrates monitoring, sequencing, margining, and soft-start functions and can be configured to suit specific applications.

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