ISL6208CBZ-T

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ISL6208CBZ-T is a PMIC - Gate Drivers that features very high frequency switching performance, used in high-power synchronous buck converters and related applications. The device integrates an intelligent gate driver, two high-side MOSFET drivers, two low-side MOSFET drivers, and several auxiliary FET gate drivers. It is suitable for high-power applications with low dissipation, suited for synchronous buck converters, dual phase buck converters, multiphase buck converters, xEV and PEV chargers, and lighting applications.

The device includes a power MOSFET gate driver supply, an integrated digital control and loop module, an integrated integrated gate driver supply voltage regulator, a temperature sensor, and a signal processor. The gate driver IC provides a short circuit, over current, over temperature, magnetic reset and burst mode capabilities. The thermal shutdown feature ensures that the gate driver IC will not be damaged in ambients greater than the maximum operating junction temperature. Additionally, the device supports a variety of protection features including overvoltage, undervoltage, overcurrent and overtemperature protection.

ISL6208CBZ-T uses a high-performance CMOS process to provide superior reliability and low EMF noise. This enables it to achieve a wide range of high frequency operating windows, including an adjustable pulse width modulation (PWM) mode, adjustable digital waveform generator, and adjustable current limit. The device supports an asynchronous rising and falling waveforms, which helps suppress noise and current shoot-through on the two switch legs and reduces power dissipation in the power stages. The integrated digital control and loop module includes a dual channel PWM generator, allowing for programming of the current limit, frequency, output voltage, margins, and enable/disable levels.

The integrated digital control and loop module allows for precision control of the switching frequency over a wide range, increasing the efficiency of the power stage. The integrated gate driver supply voltage regulator is designed to maintain the gate driver’s supply voltage over a wide range of input voltage and load conditions. The integrated temperature sensor allows the device to automatically adjust the operating frequency to provide optimal performance and regulate the system load current. The device supports a variety of protection features including an adjustable overvoltage threshold, undervoltage threshold, overcurrent threshold, overtemperature threshold, and voltage-limit detection.

In summary, the ISL6208CBZ-T is an ideal gate driver solution for high-power synchronous buck converters and related applications. It offers superior reliability and low EMF noise with a wide range of high frequency operating windows, providing enhanced performance and reliability for high-power applications. The integrated temperature sensor, integrated gate driver supply voltage regulator, and integrated digital control and loop module provide precision control of the switching frequency and allow for the design of energy-efficient systems. The device offers a variety of protection features and is capable of withstanding harsh environmental conditions.

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